LUNT LS130MT/B3400R&P Multipurpose APO Telescope for Sun + Night-Sky
Product Highlights
Modular 130mm ED Apo telescope for observing & photographing prominences & more at the sun during the day and moon, planets & deep-sky at night
- Special telescope for observing the Sun in H-alpha
- Also for night sky observing, modular design
- 3-lens ED refractor FPL-51, 130mm aperture, 910mm focal length
- Observation & photography with excellent image quality
- Bandwidth less than 0.7 Angstrom
- Very large B3400 blocking filter installed inside focuser
- Solid R&P focuser with 10:1 reduction
- Also for Ca-K & White-Light solar observing
- Absolutely safe, no danger to the eyes
Product number:
0551606
GTIN/EAN:
4007922084312
With BRESSER, you can enjoy a smooth introduction to the vast world of astronomy. Our detailed information ("Telescope Guide") provides valuable tips for beginners—but even experienced astronomers can use the information we provide (e.g., tables for the geographical latitude of all major world cities) as a reference.
Here is the table of contents of the comprehensive BRESSER Telescope Guide:
- 2. The View into the Starry Sky
- 2.1 Observing with the Naked Eye
- 2.1.1 Observing Constellations with the Naked Eye
- 2.2 Observing with Binoculars
- 2.2.1 Observing Planets and Moons with Binoculars
- 2.2.2 Observing Deep Sky Objects with Binoculars
- 2.2.3 Every Beginning is Easy
- 2.3 Observing with a Telescope
- 2.4 The Moon
- 2.4.1 The Moon Phases
- 2.4.2 The Far Side of the Moon
- 2.4.3 The Moon Map
- 2.4.4 Maria (Seas)
- 2.4.5 Mare
- 2.4.6 Craters
- 2.4.7 The Ray Craters
- 2.5 Observing the Solar System with a Telescope
- 2.5.1 Where are the Planets?
- 2.5.2 Planet Observation
- 2.5.3 The Position of the Planets Relative to the Sun
- 2.5.4 The Planets Introduce Themselves
- 2.5.5 Deep Sky Observation with a Telescope
- 2.6 Practical Observation Tips and Tricks
- 2.6.2 Tips for Optimal Observation Conditions
- 2.7 The Most Beautiful Objects Throughout the Year
- 4. Telescopes
- 4.1 The Telescope as an Observation Instrument
- 4.2 Optics
- 4.2.1 Refractor (Lens Telescope)
- 4.2.2 Reflector (Mirror Telescope)
- 4.3 Mechanics
- 4.3.1 Altazimuth Mount
- 4.3.2 Equatorial Mount
- 4.3.3 Drive Motors
- 4.4 Accessories
- 4.4.1 Eyepieces
- 4.4.2 Important Tips for Eyepiece Selection
- 4.4.3 Filters
- 4.4.4 Photographic Accessories
- 4.4.5 Other Accessories
- 5.1 Which Telescope for Whom?
- 5.1.1 Deep-Sky Observations
- 5.1.2 Observing Closer Planets
- 5.1.3 The Topic of Portability
- 5.1.4 Price Factor When Buying a Telescope
- 6. Useful Tables
- 6.1 Table for the Geographic Latitude of All Major World Cities
- 6.1.1 Observers in the Northern Hemisphere (N):
- 6.1.2 Observers in the Southern Hemisphere (S):
- 6.2 Lookup Table for Notable Stars
- 6.3 Getting Acquainted with the Universe - or: Distances in Space
Sky Guides by Bresser
The Sky Guide provides comprehensive information on constellations, planetary positions, and astronomical events – perfect for planning your observations and delving deeper into astronomy.
Visit the guide directly here to make the most of your observations!
Product information "LUNT LS130MT/B3400R&P Multipurpose APO Telescope for Sun + Night-Sky"
Modular designed multipurpose telescope, both for observing the sun in the H-alpha wavelength, as well as for night sky observations. Easy conversion between the different applications with a few simple steps. 3-lens apochromatic telescope with FPL-51 glass, 130mm aperture and 910mm focal length - excellent image quality for H-Alpha solar observation and also for observing the starry sky at night.
With innovative air pressure tuning system, good 2 inch (50.8mm) R&P focuser, and B3400 blocking filter.
Solar observing in H-alpha:
The LS130MT/B3400 is a complete telescope for observing the sun in H-alpha light, with 130mm free aperture (no central obstruction) and 910mm focal length. The H-alpha wavelength is the most impressive way to observe the sun, showing protuberances at the sun's edge, filaments and flares on the surface, and much more. An internal Etalon filter achieves a bandwidth of <0.7 Angstrom with the innovative air pressure tuning system Pressure-Tuner. Tuning is done by slightly changing the air pressure in a pressure chamber inside the telescope. This changes the refractive index of the air, making it easy to tune to the H-alpha line. The pressure tuner guarantees a homogeneous image, without central obstruction, and a permanently protected Etalon without erosion. A set of collimating lenses installed in the telescope ensures best performance.
Fine adjustment is achieved with a solid 2 inch R&P focuser with 10:1 reduction.
Blocking-filter is the B3400. The B3400 is good for solar imaging by cameras with very large sensor chips, and can also be used for visual observing.
The B3400 blocking-filter is fix installed inside the 2 inch R&P focuser.
Observing the starry night sky:
The H-Alpha Etalon system can be removed from the telescope in a few easy steps thanks to its modular design. Then the 3-lens apochromatic refractor can be used as a normal telescope with 130mm aperture and 910mm focal length for observation and photography of the night sky. The FPL-51 triplet lens offers an outstandingly low colour aberration image. Common 2 inch star diagonals can be used at the R&P focuser of the telescope.
Please note that the optionally available conversion kit 0551696 is absolutely necessary for the LS130MT version with B3400 blocking filter if the telescope is also to be used at night. The conversion kit is not required for the versions with B1200 and B1800.
More applications:
With additionally available accessories the LS130MT offers even more possibilities!
- Double-Stack
The LS130MT telescope can optionally be upgraded with the additionally available double-stack module LS130MT/DSII (item number 0551690). The DSII system is a internal double-stack module with Pressure-Tuner. Thereby a bandwidth of <0.5 Angstrom is achieved for H-alpha solar observation. Therefore much more details on the solar surface will become visible.
- Solar observing in White-Light
If the H-alpha unit has been removed, of course either a sun filter can be installed in front of the objective, or a Herschel-wedge at the focuser can be used to observe the sunspots in White-Light.
- Solar observing in Ca-K wavelength
The additionally available "LUNT Ca-K Filter Module for LS130MT" (item number 0551697) can be used on the LS130MT to observe and photograph super-granulation and other effects visible at this wavelength on the sun.
This makes the LS130MT a completely universal usable apochromatic telescope of highest quality!
FEATURES
SCOPE OF DELIVERY
With innovative air pressure tuning system, good 2 inch (50.8mm) R&P focuser, and B3400 blocking filter.
Solar observing in H-alpha:
The LS130MT/B3400 is a complete telescope for observing the sun in H-alpha light, with 130mm free aperture (no central obstruction) and 910mm focal length. The H-alpha wavelength is the most impressive way to observe the sun, showing protuberances at the sun's edge, filaments and flares on the surface, and much more. An internal Etalon filter achieves a bandwidth of <0.7 Angstrom with the innovative air pressure tuning system Pressure-Tuner. Tuning is done by slightly changing the air pressure in a pressure chamber inside the telescope. This changes the refractive index of the air, making it easy to tune to the H-alpha line. The pressure tuner guarantees a homogeneous image, without central obstruction, and a permanently protected Etalon without erosion. A set of collimating lenses installed in the telescope ensures best performance.
Fine adjustment is achieved with a solid 2 inch R&P focuser with 10:1 reduction.
Blocking-filter is the B3400. The B3400 is good for solar imaging by cameras with very large sensor chips, and can also be used for visual observing.
The B3400 blocking-filter is fix installed inside the 2 inch R&P focuser.
Observing the starry night sky:
The H-Alpha Etalon system can be removed from the telescope in a few easy steps thanks to its modular design. Then the 3-lens apochromatic refractor can be used as a normal telescope with 130mm aperture and 910mm focal length for observation and photography of the night sky. The FPL-51 triplet lens offers an outstandingly low colour aberration image. Common 2 inch star diagonals can be used at the R&P focuser of the telescope.
Please note that the optionally available conversion kit 0551696 is absolutely necessary for the LS130MT version with B3400 blocking filter if the telescope is also to be used at night. The conversion kit is not required for the versions with B1200 and B1800.
More applications:
With additionally available accessories the LS130MT offers even more possibilities!
- Double-Stack
The LS130MT telescope can optionally be upgraded with the additionally available double-stack module LS130MT/DSII (item number 0551690). The DSII system is a internal double-stack module with Pressure-Tuner. Thereby a bandwidth of <0.5 Angstrom is achieved for H-alpha solar observation. Therefore much more details on the solar surface will become visible.
- Solar observing in White-Light
If the H-alpha unit has been removed, of course either a sun filter can be installed in front of the objective, or a Herschel-wedge at the focuser can be used to observe the sunspots in White-Light.
- Solar observing in Ca-K wavelength
The additionally available "LUNT Ca-K Filter Module for LS130MT" (item number 0551697) can be used on the LS130MT to observe and photograph super-granulation and other effects visible at this wavelength on the sun.
This makes the LS130MT a completely universal usable apochromatic telescope of highest quality!
FEATURES
- 3-lens APO refractor, FPL-51
- Aperture: 130mm (no central obstruction)
- Focal length: 910mm
- Bandwidth: internal Etalon with <0.7 Angstrom
- Tuning: air pressure tuning system Pressure-Tuner
- Blocking filter: B3400 with 2 inch connection
- Focuser: R&P with 10:1 reduction
- Two tube-ring with handle
- Sol-Searcher installed inside handle
- Dovetail bar at GP-level for astronomical mounts
- Weight: 12.1kg
- Length with dew-shield: 95cm
- Length removed dew-shield: 80cm
SCOPE OF DELIVERY
- LS130MT Multipurpose Telescope
- Pressure-Tuner
- B3400 blocking filter installed inside focuser
- Tube extension for using without H-alpha Etalon
- 2 inch R&P focuser with 10:1 reduction
- Tube rings with dovetail bar
- Transport case (92 x 42 x 35 cm)
- Instruction manual
| Angular resolution (arc seconds): | 1.06 |
|---|---|
| Aperture ratio: | 7 |
| Batteries required: | 0 |
| Case: | High-quality transport case |
| Eyepiece Barrel Diameter (mm): | 50.8 |
| Field of application [Telescopes]: | Solar observation |
| Focal length (mm): | 910 |
| Focusing system: | 2" Rack-and-Pinion Focuser with 10:1 reduction |
| Full width at half maximum (Angström), less then: | 0.7 |
| Mirror/Lens diam. (mm): | 130 |
| Mount Type [Telescopes]: | Optics without Mount |
| Net Weight total (incl. accessories) (in kg): | 25 |
| Optical design: | Apochomatic Refractor |
| Telescope filter type: | Solar Filter H-Alpha |
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Produkt- und Sicherheitshinweise
Manufacturer:
Bresser GmbH, Gutenbergstraße 2, 46414 Rhede
Contact:
www.bresser.de
www.bresser.de
Warning notes
- Safety instructions: There are certain dangers when observing the sun, regardless of the telescope used. Lunt-Solar-Systems places great emphasis on the safety of their products during manufacture. Your safety is the highest priority, and we ask that you carefully read the telescope manual before beginning solar observation. Please never disassemble the telescope! Never use it if it has been modified or damaged in any way! Always contact our customer service if you have any questions regarding the safety of your instrument. Never look at the sun with an unprotected eye or with a telescope not intended for solar observation! Never leave your telescope unattended while it is pointed at the sun! Other people who are unfamiliar with it might attempt to replace the block filter with another prism, unaware of how critical this filter is for safety. The components of Lunt-Solar-Systems telescopes are not interchangeable with those of other manufacturers. Lunt-Solar-Systems solar telescopes contain several different optical elements that have been precisely adjusted and mounted during manufacture. These systems require no maintenance. Never disassemble the telescope. Doing so will void the warranty, potentially leading to expensive repairs, and may cause future damage to your instrument, compromising your safety! Most Lunt-Solar-Systems telescopes and filters include a very sensitive optical component called an Etalon. These Etalons are built into the system to protect them as best as possible. Countless considerations have been made to ensure the best performance of this "heart" of every system, even under the daily stresses it inevitably faces, such as shocks and vibrations during transport or regular use. Nevertheless, it should never be dropped. Improper use of the telescope can damage the Etalon (not a warranty case) and render the system unusable until repaired. The instrument should always be stored in its original packaging or in the optional transport case (item number 0554010). Like any optical precision instrument, it should be stored in a dry environment. With proper care, you will enjoy your instrument for a lifetime!
Accessories
LUNT LS130TBP&F conversion kit for LS130MT
£598.00*
The LS130MT/B3400 telescopes can be upgraded with this conversion kit. This allows to explore the Sun at different wavelengths with one and the same telescope, and the telescope can also be used for observing and photographing the starry night sky.You can replace the H-Alpha system of the LS130MT/B3400 telescope with this conversion kit in just a few easy steps. This makes it possible to observe the sun in H-alpha, in the light of the Calcium-K wavelength, or in White-Light - with one and the same telescope!You will only need the additional Ca-K module for LS130MT (item number 0551697), or a LUNT Herschel-wedge (item number 0558201 or 0558211).But there is more: With this conversion kit the LS130MT/B3400 can also be used as a 3-lens apochromatic telescope for astronomical observations and photography at night!This conversion kit turns the LS130MT into a real all-round telescope!This conversion kit was specially designed for the LS130MT/B3400 H-Alpha telescope. Included is a completely new focuser. Simply loosen three knurled screws at the LS130MT/B3400, which hold the H-Alpha unit together with the focuser. Here the new focuser will be fixed, and you have already made your LS130MT a adequate triplet ED apochromatic telescope.This conversion kit can also be used at the LS130MT/B1200 and LS130MT/B1800 telescopes, but it is not necessary there. This conversion kit is only necessary at the LS130MT/B3400, because at this telescope the blocking filter is fix installed inside the focuser.SCOPE OF DELIVERY2" Focuser with 10:1 reduction and adapter to LS130MT telescopeInstruction manualLS130THa telescope not included! Can only be used together with an LS130MT solar telescope.Also available as set together with Ca-K module for LS130MT (item number 0551695)
LUNT LS130MT/DSII doublestack module for LS130MT
£5,798.00*
Double-stack module for more contrast and details on the solar surface at LS130MT telescopes.At the LS130MT H-alpha solar telescopes double-stacking is possible with these internal DSII double-stack modules. The DSII modules reduce the bandwidth to <0.5 Angstroms. The DSII modules are designed to show the surface details of the Sun better, the contrast is significantly increased and thus filaments, active regions and other surface details are much more visible.Like the LS130MT telescope, the DSII Double-Stack module is tuned via the innovative Pressure-Tuner system, and the sensitive Etalon is well protected inside the telescope.The LS130MT/DSII module is designed exclusively for use in the LS130MT telescope, it cannot be used at other telescopes.FEATURESBandwidth: <0.5 AngstromTuning: air-pressure tuning system Weight: 2.3kgSCOPE OF DELIVERYDSII module with internal Etalon for LS130MT telescopesPressure Tuner system(LS130MT telescope not included!)
LUNT Ca-K module and conversion kit for LS130MT
£3,498.00*
The LS130MT/B3400 telescopes can be upgraded with this optional Ca-K module and conversion kit. This allows to explore the Sun at different wavelengths with one and the same telescope, and the telescope can also be used for observing and photographing the starry night sky.You can replace the H-Alpha system of the LS130MT/B3400 telescope with this conversion kit with Ca-K module in just a few easy steps. This makes it possible to observe the Sun in H-alpha or in the light of the Calcium-K wavelength - with one and the same telescope!This Ca-K module was specially designed for the LS130MT/B3400 H-Alpha telescope. It is delivered as a set together with the conversion kit with a completely new focuser. Simply loosen three knurled screws at the LS130MT/B3400, which hold the H-Alpha unit together with the focuser. Here the new focuser will be fixed with the Ca-K module, and you have already made your LS130MT a adequate Ca-K telescope. But that's not all: With the new focuser, without the Ca-K module, the LS130MT/B3400 can also be used as a 3-lens apochromatic telescope for astronomical observations and photography at night!Or you can observe the Sun in White-Light together with a LUNT Herschel wedge!This conversion kit turns the LS130MT into a real all-round telescope!This conversion kit can also be used at the LS130MT/B1200 and LS130MT/B1800 telescopes, but it is not necessary there. This conversion kit is only necessary at the LS130MT/B3400, because at this telescope the blocking filter is fix installed inside the focuser.SCOPE OF DELIVERY2" Ca-K Module for LS130MT telescope2" focuser with 10:1 reduction and adapter to LS130MT telescopeInstruction manualLS130MT telescope not included! Can only be used together with an LS130MT solar telescope.
BRESSER Diagonal Mirror 2" with 93% reflection
£79.00*
A very good diagonal mirror for telescopes with 2" focuser and for the BRESSER Messier telescopes with a 2.5"- HEX focuser. Enables the use of eyepieces and accessories with 2" barrel, so that a wider field of view can be reached. A larger light beam and a comfortable observation position is achieved by this 2 inch zenith mirror. Especially for use with refractors and for zenith observations a useful accessory. The clamping ring is made of brass, so there will be no scratch marks on your high-quality eyepiece. The precise clamping
is another advantage. The BRESSER 2" Diagonal Mirror is completely made of metal and has a very accurate flat mirror. The dielectrical coating delivers a 93% reflectance and is very durable against enviromental influences. FEATURES Star diagonal mirror for focuser with 2" barrel High quailty flat mirror Dielectrical mirror coating delivers a 93% reflectance Very durable against enviromental influencesEyepiece adapter 1.25/2.0 inch includedBrass eyepiece clamping ring Housing completely made of metal Dust caps included SCOPE OF DELIVERY diagonal mirroreyepice adapter 1.25/2.0 inch dust caps
LUNT LS7-21ZE Zoom Eyepiece 7.2mm - 21.5mm
£349.00*
Lunt Solar Systems zoom-eyepiece with variable focal length from 7.2mm to 21.5mm, with 1.25 inch (31.7mm) connection.The special of this zoom eyepiece is that the optical layout offers highest quality views of the sun, but also on nightsky objects. LUNT minimized the reflections by using superb multicoatings and with care designed internal baffle system and blackened lens edges. The LUNT zoom-eyepiece is not the widest field zoom-eyepiece on the market, LUNT prefered best performance over widest field. The sun and stars are perfect pin point across the entire field of view without any visible distortion. The LUNT zoom-eyepiece is almost parfocal, from one end to the other end of the zooming way you need only 0.5mm to refocuse. The LUNT zoom-eyepiece has a very nice height adjustable eyeguard to protect your eye against day light reflections and to help you to find the perfect eye position.Please note that these eyepieces are only accessories for existing solar telescopes or filters when observing the sun. Solar observation alone with these eyepieces without additional solar filters is not possible!FEATURESFocal length: 7.2mm - 21.5mm continuously adjustableBarrel size: 1.25 inch (31,7mm)Diameter: 47mmHeight: 82mmWeight: 170gEye relief: 15mmLenses / Groups: 7 lenses / 4 GroupsField of view: 53° at 7.2mm - 40° at 21.5mmSCOPE OF DELIVERYLUNT Zoom Eyepiece 7.2mm - 21.5mm
LUNT CAA-RF 0.8x reducer/field-flattener for nighttime photography with LS80MT, LS100MT & LS130MT telescopes
£598.00*
Field-flattener and focal length reducer for deep-sky astrophotography. Designed for the multipurpose APO telescopes of the Lunt-Solar-Systems LS80MT, LS100MT and LS130MT series.At the telescopes of the MT series from Lunt Solar Systems, the H-Alpha filter unit for solar observation can be removed, then these telescopes can be used as high quality ED APO's for observing and photographing the night sky.This accessory for the LS80MT, LS100MT and LS130MT telescopes shortens the focal length by a factor of 0.8x, providing a larger field of view for deep-sky astrophotography. This also allows shorter exposure times. At the same time, the field of view is flattened for photography.On the camera side, the reducer/field-flattener has a T2 male thread (M42x0.75). DSLR cameras can be connected here directly with a normal T2 ring.For other cameras, an M48x0.75 male thread is available in addition to the T2 male thread. The distance between reducer/field-flattener and camera sensor should be around 50 to 55mm.An M64x1 thread is provided on the telescope side. This allows to connect the reducer/field flattener to the focusers of the conversion kits for the LS80MT, LS100MT and LS130MT telescopes. Please note that for using the reducer/field flattener at the LS80MT, LS100MT or LS130MT telescopes, the corresponding conversion kit for night-time use of the telescope is absolutely necessary..FEATURESShortens focal length of F/7 ED telescopes by a factor of 0.8xFlattened field of view for photographyT2 thread and M48x0.75 thread for camera connectionWorking distance 50 to 55mmSCOPE OF DELIVERY0.8x reducer/field-flattenerAdapter to T2 thread (M42x0.75) and to M48x0.75
LUNT PCUSB Pressure-Tuner Controller with USB
£1,398.00*
Electronic Control unit with USB connection for one LUNT Pressure-Tuner system.The PC-USB is a microprocessor controlled pressure control system that can be retrofitted to any LUNT instrument (except LS50THa) with Pressure-Tuner (PT), without return to the Lunt facility. A simple air-pipe connects the PC-USB to the Pressure-Tuner. All existing PT systems (except LS50THa) can be retrofitted via an included adapter to the pressure tuner knob. The PC-USB can be used at any altitude.The PC-USB controller can be manually operated directly by the control panel at the housing, or via a computer by USB connection (Windows 7 or higher needed). A USB cable with USB-B plug is necessary for operating by a computer, this USB cable is not included. You will find the software for download on this webpage above at the tab "Manuals".Upon power up the PC-USB will go thru a systems vent and ambient pressure set mode. This will take around 60 seconds. The PC-USB is a simple 2 button system. One button for increasing and one button for decreasing the PT pressure. Digital feedback and indicator lights are provided. The PC-USB is accurate to 0.027 Bar (0.4 PSI), providing very precise control of the pressure setpoint. The PC-USB will auto-compensate for fluctuations in internal pressure changes due to significant changes in temperature. The PC-USB can be user programmed to center wavelength set point. Due to the sealed nature of the system, the center wavelength set point will remain constant at any altitude at a given set pressure point. Because the PC-USB can provide closed-loop feedback of internal etalon pressure users can correlate change in pressure to doppler shifted events.Normally the telescope shakes while you are tuning mechanically. Especially if you use high magnification, for example for observing the Doppler effect at a filament. With the PC-USB system there will be absolutely no shaking of the telescope while tuning at all magnifications, so observing Doppler shifted events will become more comfortable.The PC-USB can run continuously on internal battery power for more than 8 hours. It has external power input (15V DC) that can power the unit and charge the internal batteries simultaneously.SCOPE OF DELIVERYLUNT PC-USB Control SystemAdapter for PT knob3m air-pipeAC-adapter (with Euro-plug)Please note that this controller is not compatible with LS50THa series telescopes!
LUNT LS2HW 50.8mm (2'') Herschel-wedge
£598.00*
Herschel-wedge / Solar-wedge for superior White-Light solar observing and imaging. For refractor-telescopes up to 150mm aperture, and with 2'' focuser. Complete system with installed ND3.0 filter.Herschel-Wedges will be used to observe the sun in White-Light. Around 95 % of the sun light will be suppressed by the Herschel Wedge. The remaining sun light will be dimmed by a fix installed ND3.0 grey filter. Lunt Solar Systems Herschel-wedges are installed in a fully closed housing with integrated heat trap. There is no stray light escaping, therefore it is very safe.The difference between Herschel-wedges and normal front mounted filters is, that the filtering takes place just before the eyepiece or camera. This will provide a better contrast and sharpness of the solar image.Furthermore, there is more safety at a Herschel-wedge than at a front mounted filter. A Herschel-wedge can not rip or become holes like a foil. And also it can not drop down from the telescope objective accidentally.Only for use with refractor telescopes up to 150mm aperture:Because the full energy and heat of the sun will be inside the telescope, we advise to use only refractors with a Herschel-wedge. The refractor must not have corrector lenses at the back. Optical elements like corrector lenses, or secondary mirrors of reflector telescopes, become very hot by the concentrated solar energy and could be damaged.Tuning the brightness:Because the Herschel-wedge produce polarized light, you can use a normal polarizing filter at the eyepiece or camera-adapter. By turning the polarizing filter the brightness will be reduced.Polarizing filter not included. We recommend the BRESSER 2'' polarizing filter 4946465.FEATURESFor refractor-telescopes up to 150mm apertureConnection to telescope: 2''Connection to eyepiece: 2''90° housing like star-diagonalEspecially high-quality optical surfaces for very good contrastFully closed housing with integrated heat trapNo stray light escaping - therefore it is very safeThe needed ND3.0 filter is fix installedSCOPE OF DELIVERYHerschel-wedge for 2'' focuserIntegrated ND3.0 filterHardcaseInstruction manual
LUNT HAT solar hat with neck flap
£59.00*
Keep your head covered and prevent sunburn while observing. UV protectant material with small pocket and clip to prevent being blown off in the wind. Cool ventilated design. Neck flap to keep your neck protected while looking through the eyepiece.SCOPE OF DELIVERYSolar Hat with neck flap
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FEATURES
Specialist glasses for safe solar eclipse viewing
Provides a natural, bright yellow image of the sun
Ideal for safe visual solar observation
Durable and resistant to damage
Ready to use immediately
Complies with EN ISO 12312-2:2015 standards, verified by independent testing at ICS INC. Laboratories
SCOPE OF DELIVERY
1x Solar Eclipse Glasses
EXPLORE SCIENTIFIC Solarix Solar Filter Film A4
£19.90*
Explore Scientific Solarix Solar Filter Film.Watch Solar Eclipses, Sun Spots, Planet Transits, crossing aircrafts and satellites.Suitable for making your individual solar filter for
telescopes, binoculars, photo- and video cameras.New developed solar filter film that has the optical
quality of the glass with the advantages of impregnated polymer.Collateral protection by using impregnated polymer
and additional filter coated surface.Creates a very natural and yellow solar image.Also qualified for high magnifications.Consistent brightness and even density with any aperture.Ideal for visual observing and photographic use.Light weight and does not require re-balancing tube
assembly.Flat
surface compared to other thin film filters that have wrinkles and
creases.Resistant against any damage.Construction manual included for making your individual solar filter and eclipse glasses.100% safeSpecifications:Material thickness: 0.05mm Optical density: 5Optical transmission: 1/1000 of 1% (99.999% incoming light blocked)Dimension: A4 - 210 x 297mmSCOPE OF DELIVERYSolar Filter Film, A4 sizeHard carton stencil for cutting out a telescope filter holder and eclipse glassesContruction- and Instruction manual Additional materials which need to be purchased separately:Double sided gluing tape.Universal adhessive glue.Paper scissor.
BRESSER Solar Eclipse Glasses (25 pieces)
£59.00*
With the BRESSER Solar Eclipse Glasses, you can experience one of nature's most captivating events safely and effortlessly. Whether it's an annular, total, or partial eclipse, the sight of the moon crossing in front of the sun is always breathtaking. Designed to protect your eyes, these specialist glasses are crafted in the USA to meet the highest safety standards.
BRESSER Eclipse Glasses: Your safe window to the sun
The glasses feature premium-quality white light filter film that effectively blocks harmful UV and IR rays. This ensures a bright and natural yellow image of the sun. Thanks to their sturdy construction, these glasses are built for repeated use. You can even use them to spot large sunspots or enjoy the rare sight of planes flying in front of the sun.
Be prepared for the next eclipse and enjoy safe solar viewing with the BRESSER Solar Eclipse Glasses.
FEATURES
Specialist glasses for safe solar eclipse viewing
Provides a natural, bright yellow image of the sun
Ideal for safe visual solar observation
Durable and resistant to damage
Ready to use immediately
Complies with EN ISO 12312-2:2015 standards, verified by independent testing at ICS INC. Laboratories
SCOPE OF DELIVERY
25x Solar Eclipse Glasses
BRESSER Solar Eclipse Glasses (50 pieces)
£109.00*
With the BRESSER Solar Eclipse Glasses, you can experience one of nature's most captivating events safely and effortlessly. Whether it's an annular, total, or partial eclipse, the sight of the moon crossing in front of the sun is always breathtaking. Designed to protect your eyes, these specialist glasses are crafted in the USA to meet the highest safety standards.
BRESSER Eclipse Glasses: Your safe window to the sun
The glasses feature premium-quality white light filter film that effectively blocks harmful UV and IR rays. This ensures a bright and natural yellow image of the sun. Thanks to their sturdy construction, these glasses are built for repeated use. You can even use them to spot large sunspots or enjoy the rare sight of planes flying in front of the sun.
Be prepared for the next eclipse and enjoy safe solar viewing with the BRESSER Solar Eclipse Glasses.
FEATURES
Specialist glasses for safe solar eclipse viewing
Provides a natural, bright yellow image of the sun
Ideal for safe visual solar observation
Durable and resistant to damage
Ready to use immediately
Complies with EN ISO 12312-2:2015 standards, verified by independent testing at ICS INC. Laboratories
SCOPE OF DELIVERY
50x Solar Eclipse Glasses
LUNT Blue-Glass 20mm for B400 to B1800 blocking-filters
£15.00*
Spare part for blocking-filters from LUNT SOLAR SYSTEMS, suitable for B400, B500, B600, B1200 and B1800 blocking-filters.The H-alpha telescopes and filter systems from Lunt Solar Systems each include a blocking-filter. The blocking-filters have a blue colored filter part on the side facing the telescope. This blue colored filter parts may become a milky white layer at older blocking-filters if the blocking-filter was storded at high air humidity for some time. Please always store H-alpha telescopes and filters as dry as possible. If this blue colored filter part has become a milky white layer, it can be replaced with this spare part. The replacement is easy and can be done by the user himself. Installation instructions can be found here under the "Manuals" tab as a PDF for download.Please note that this replacement part can only be used on Lunt Solar Systems blocking-filters B400 to B1800. If the problem happens with the large B3400 blocking-filter, the B3400 must be sent to our service department for repair.FEATURESDiameter: 20mmCannot be used separately, only as spare part at blocking-filters from Lunt Solar SystemsFor B400, B500, B600, B1200 and B1800 blocking-filtersIt does not matter if the blocking-filters are installed in 90° zenith-mirrors or straight extension-tubesSCOPE OF DELIVERYSpare part 20mm blue glass for B400 to B1800 blocking-filters
LUNT O-ring 34mm for Pressure-Tuner at MT & THa solar telescopes
£5.00*
Spare part for Pressure-Tuner of MT and THa series H-alpha solar telescopes from LUNT SOLAR SYSTEMSTwo rubber O-rings are installed into the Pressure-Tuner of Lunt Solar Systems solar telescopes to seal the air-pressure tuning system. Over time, the rubber of this O-rings can age and become porous, whereby the air-pressure can then no longer be maintained. When this happens, a old O-ring can be replaced by this spare part. The replacement is simple and can be done by the user. Installation instructions can be found here under the tab "Manuals" as a PDF file for download.Please be sure to note:Depending on the production series, the diameters of the Pressure-Tuner pistons can vary slightly. There are pistons for O-rings with 32mm inner diameter and 40mm outer diameter, and pistons for O-rings with 34mm inner diameter and 42mm outer diameter. Please check the diameter of your old O-rings, this spare part is an O-ring with 34mm inner diameter and 42mm outer diameter.If you need the smaller O-ring with 32mm inner diameter and 40mm outer diameter, this is the spare part with item number 0558330.The LS50THa telescopes have Pressure-Tuners with smaller diameters, for these you will need replacement O-rings with item number 0558320.After replacing a O-ring, the piston and cylinder of the Pressure-Tuner can be re-greased with grease available under item number 0558350.FEATURESInner diameter: 34mmOuter diameter: 42mmCannot be used separately, only as a replacement part on the Pressure-Tuner of MT and THa telescopes from Lunt Solar Systems.It does not matter what blocking-filter is at the MT or THa telescope.SCOPE OF DELIVERYSpare part one O-ring with 34mm inner diameter and 42mm outer diameter for Pressure-Tuner of MT and THa H-alpha solar telescopes from Lunt Solar Systems
LUNT Grease for Pressure-Tuner at MT & THa solar telescopes
£2.50*
Spare part for Pressure-Tuner of MT and THa series H-alpha solar telescopes from LUNT SOLAR SYSTEMSFor example, if the O-rings have been changed on a Pressure-Tuner of a Lunt Solar Systems H-alpha solar telescope, the Pressure-Tuner can be re-greased with this grease. The grease can be applied to the piston with the O-rings and to the threads of the brass cylinder on the Pressure-Tuner. It keeps the Pressure-Tuner running smoothly and seals it.Please note:Do not use too much grease inside the brass cylinder. The grease must not get into the air passage at the bottom of the brass cylinder, otherwise the Etalon could be damaged in the worst case.FEATURESLithium grease with Teflon contentVery good sealing propertiesHigh adhesion and good corrosion protectionTemperature stable from -20 to +120° CelsiusConstant viscosity during temperature fluctuationsSCOPE OF DELIVERYSpare part: Grease for Pressure-Tuner of MT and THa H-alpha solar telescopes from Lunt Solar Systems
BRESSER Solar Eclipse Glasses (100 pieces)
£189.00*
With the BRESSER Solar Eclipse Glasses, you can experience one of nature's most captivating events safely and effortlessly. Whether it's an annular, total, or partial eclipse, the sight of the moon crossing in front of the sun is always breathtaking. Designed to protect your eyes, these specialist glasses are crafted in the USA to meet the highest safety standards.
BRESSER Eclipse Glasses: Your safe window to the sun
The glasses feature premium-quality white light filter film that effectively blocks harmful UV and IR rays. This ensures a bright and natural yellow image of the sun. Thanks to their sturdy construction, these glasses are built for repeated use. You can even use them to spot large sunspots or enjoy the rare sight of planes flying in front of the sun.
Be prepared for the next eclipse and enjoy safe solar viewing with the BRESSER Solar Eclipse Glasses.
FEATURES
Specialist glasses for safe solar eclipse viewing
Provides a natural, bright yellow image of the sun
Ideal for safe visual solar observation
Durable and resistant to damage
Ready to use immediately
Complies with EN ISO 12312-2:2015 standards, verified by independent testing at ICS INC. Laboratories
SCOPE OF DELIVERY
100x Solar Eclipse Glasses
LUNT O-ring for Pressure-Tuner at LS50THa solar telescopes
£5.00*
Spare part for Pressure-Tuner of LS50THa H-alpha solar telescopes from LUNT SOLAR SYSTEMSA rubber O-ring is installed into the Pressure-Tuner of Lunt Solar Systems LS50THa solar telescopes to seal the air-pressure tuning system. Over time, the rubber of this O-ring can age and become porous, whereby the air-pressure can then no longer be maintained. When this happens, the old O-ring can be replaced by this spare part. The replacement is simple and can be done by the user. Installation instructions can be found here under the tab "Manuals" as a PDF for download.After replacing the O-ring, the piston and cylinder of the Pressure-Tuner can be re-greased with grease available under part number 0558350.Please note that this spare part can only be used on the Lunt Solar Systems LS50THa H-alpha solar telescopes. If the problem occurs on the larger THa or MT series telescopes, the larger O-rings with part numbers 0558330 or 0558340 must be used there.FEATURESInner-diameter: 31mmOuter-diameter: 39mmCannot be used separately, only as a replacement part on the Pressure-Tuner of the LS50THa telescopes from Lunt Solar Systems.It does not matter what blocking filter is at the LS50THaSCOPE OF DELIVERYSpare part one O-ring for pressure tuner of LS50THa
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LUNT LS230THaDS/B3400 H-alpha solar telescope
£58,290.00*
Please note: This telescope is made to customer specifications. Therefore special conditions apply for this telescope and online ordering is not possible. Please contact our customer service if you would like to order this telescope.Complete H-alpha solar telescope with 230mm aperture and a bandwidth of <0.5 Angstroms. With Feather-Touch focuser, innovative air pressure tuning system and B3400 blocking filter.A extremely large telescope for observing the Sun in H-alpha wavelength, a precisely adjusted refractor with a free aperture of 230mm without central obstruction and 1610mm focal length. The telescope is equipped as standard with a double-stack system, two internal Etalon filters with the innovative air pressure tuning system Pressure-Tuner achieve a bandwidth of <0.5 Angstroms. The Pressure-Tuner system ensures a homogeneous H-alpha image and optimal performance. The Etalons are safely installed inside the telescope. The air pressure tuning system is precisely controlled by an electronic pressure tuner controller.Blocking Filter is the B3400. The B3400 is well suited for imaging the Sun. For visual observation we recommend an additional zenith mirror. The straight extension tube, in which the blocking filter is installed, is equipped as standard with a 2" eyepiece holder and also with an adapter for 1.25". Focusing is done by the legendary Feather-Touch focuser from Starlight-Intruments with 10:1 reduction.FEATURESAperture: 230mm (no central obstruction)Focal length: 1610mmBandwidth: 2 internal Etalons with <0.5 AngstromsTuning: Air-pressure tuning systemElectronic pressure tuner controllerBlocking filter: B3400 with 2" and 1.25" connectionFocuser: Feather-Touch focuser from Starlight-Instruments with 10:1 reductionTwo tube ringsDovetail bar with Losmandy level for astronomical mountsWeight: 35kgLength: 165cmSCOPE OF DELIVERYLS230THa Double-Stack H-alpha solar telescope2x Pressure-TunerElectronic pressure tuner controllerB3400 blocking filter in straight extension tubeFeather-Touch focuserTube rings with dovetail bar (Losmandy level)Manual
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BRESSER Messier AR152L/1200 EXOS-2 PMC-Eight GoTo Telescope Set
£1,498.00*
£1,738.00*
(13.81% saved)
Perfect for ambitious planetary observers: the set consists of the BRESSER Messier AR-152L/1200 Telescope and the modern EXOS-2 PMC-Eight GoTo Mount. With the large aperture and long focal length of 1200 mm, the high-quality optics deliver razor-sharp, high-contrast images that impress with every observation. The telescope is especially suitable for detailed views of Mars, Jupiter, and other celestial bodies. You can also explore the sun using the included objective filter. The mount is equipped with a precise GoTo control and is very easy to use with the intuitive ExploreStars App. Thanks to the extremely accurate tracking, the selected celestial object is guaranteed to always stay in the field of view.
The Telescope
For demanding planetary observers, the BRESSER Messier AR-152L is the dream device. Discover structures in Jupiter’s cloud bands, the finest grooves and craters on the moon’s surface, and structures on Mars, including the ice-covered polar caps of our neighboring planet! Observe the dance of Jupiter’s moons around the planet and discover the greenish glow of Uranus far beyond Saturn’s orbit. The combination of large aperture and long focal length enables sharp, high-contrast images that will impress you every time. And with the high-quality objective solar filter, you can also safely observe our own star. (Caution: Never point the telescope at the sun without a solar filter!)
The Mount
The EXPLORE SCIENTIFIC EXOS-2 PMC-Eight GoTo Mount is equipped with a modern and very precise GoTo control system. It consists of a robust Wi-Fi controller unit that provides all the necessary interfaces. The NEMA-11 stepper motors are directly connected to this unit via cable, and an ST-4 compatible autoguider interface is also available. In addition, the control system supports micro-stepping to ensure precise tracking.
Intuitive operation via app and graphical star chart
The ExploreStars App, developed specifically for the PMC-Eight system, impresses with a very well-designed, intuitive user interface. The currently available alignment stars for initializing the control system, as well as all celestial objects in the database, are displayed as a star chart with additional text information. All these objects can be easily viewed and selected.
Powerful controller unit with Open GoTo for customization
The heart of the controller unit consists of a completely autonomous 2-channel multi-processor with 8 CPUs and a Wi-Fi Ethernet 10/100 adapter with IP function. This allows remote operation via browser, ASCOM, app, or serial connection. The Open GoTo also allows you to write your own firmware and upload it to the controller unit. This enables custom adjustments to the device’s functions as well as the creation of custom object lists, etc.
Polar finder included
The included and pre-installed polar finder scope allows for quick and precise alignment and long exposure times without unwanted star trails. The integrated LED lighting unit further enhances the comfort of using the polar finder.
TELESCOPE FEATURES
Design: Refractor telescopeAperture: 152 mm / Focal length: 1200 mm / F/7.9Maximum useful magnification: 254xTelescope for night and solar observation High-quality, bright achromatic lens Modern multi-coating of the lenses for bright and high-contrast images Robust aluminum tube construction Very high-quality Hexafoc focuser with 2.5'' free internal diameter 8x50 finder with crosshair eyepiece Optimized finder bracket for comfortable viewing 31.7 mm (1.25'') star diagonal mirror Handle for comfortable transport with integrated camera holder (photo thread) Smartphone adapter for sky navigation included Prism rail with stainless steel clamping surface (44-mm universal dovetail for GP/EQ5/LXD75) 50.8 mm to 31.7 mm adapter with integrated T2 adapter (optional T2 ring required)
MOUNT FEATURES
Powerful PMC-8 Open GoTo system User-friendly and graphically appealing ExploreStars OpenGoto App Wi-Fi control via tablet, notebook, or desktop PC with at least 7'' display and Wi-Fi function (not included) Compatible operating systems: WIN8.1, WIN10/11, iOS, or Android 4.4 and higher Classic control via directional buttons or joystick for guiding, centering, correcting, and moving with a touchscreen Intuitive 2-star and 3-star alignment for GoTo control initialization Multiprocessor microcontroller with 8 CPUs (processor cores) Micro-stepper motors NEMA-11 Highly precise and quiet belt drive ST-4 compatible autoguider interface ASCOM driver available, also supports pulse guiding Possibility to create your own firmware and object lists and load them into the PMC-8 GPS compatible / settings depend on the computer or tablet used Power supply via 12V DC, power consumption at full load max. 1.6 amps
SCOPE OF DELIVERY
Optical tube 26 mm Super Plössl eyepiece 31.7 mm (1.25") 31.7 mm (1.25") star diagonal mirror Integrated 31.7 mm and T2 adapter Prism rail with stainless steel clamping surface Adapter for 50.8 mm (2") eyepieces Rotating star map Objective solar filter Tube rings with carrying handle and camera holder 8x50 finder scope Smartphone adapter for navigation Astronomy PC software Stellarium (downloadable) EXOS2-GT mount with Open GoTo PMC-8 Stainless steel tripod with built-in bubble level Counterweight 2 x 4.5 kg Polar finder with lighting unit Power supply 12V / 2A ExploreStars App (software download) User manual