LUNT LS40THa/B500 H-alpha solar telescope

Product Highlights

40mm solar telescope for easy and affordable starting into observation of prominences & more

  • Special telescope for observing the sun
  • Absolutely safe, no danger to the eyes
  • Shows prominences & more details on the sun
  • Easy to use, well suited for beginners
  • For visual sun observation
  • Bandwidth less than 0.7 Angstrom
  • Small B500 blocking-filter

£1,028.00*

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Product number: 0551145
GTIN/EAN: 4007922069371
Product information "LUNT LS40THa/B500 H-alpha solar telescope"
Solar observation in H-Alpha: prominences, filaments, flares ... the most spectacular way to see the Sun - easy and affordable with the LS40THa.

Complete H-alpha solar telescope with 40mm aperture, <0.7 Angstrom bandwidth, B500 blocking-filter, and Helical focuser.

The LS40THa/B500 is a complete telescope for observing the sun in H-alpha, with 40mm aperture (no central obstruction) and 400mm 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 Etalon with mechanical tilt-tuning provides <0.7 Angstrom bandwidth.
Fine adjustment is achieved with a 1.25 inch Helical focuser. Blocking-filter is the B500, this is good for visual observation of the sun. The star diagonal in which the blocking filter is installed, is equipped as standard for 1.25 inch eyepiece connection.

The easy handling makes this telescope ideal for starting H-Alpha solar observation. Due to its compact dimensions it is also a good travel telescope for the experienced solar observers.

The LS40THa telescopes are available with choice of B500, B600 or B1200 blocking filters. The larger blocking filters provide less edge obstruction and a larger field of view for visual observation and photography. Please note that these telescopes have only a very small back focus and therefore photography is difficult. We recommend special astro cameras for photography, which have a very short distance to the sensor, such as the BRESSER Full HD camera item number 4959050.

FEATURES
  • Aperture: 40mm (no central obstruction, 2-lens refractor)
  • Focal length: 400mm
  • Bandwidth: <0.7 Angstrom
  • Tuning: mechanical tilt-tuning
  • Blocking filter: B500 with 1.25 inch connection
  • Focuser: Helical focuser
  • Dovetail bar at standard GP-level
  • 1/4-20 tapped base (standard thread for photo-tripods)
  • Sol-Searcher included
  • Weight: 1.2kg
  • Length: 41cm

SCOPE OF DELIVERY
  • LS40THa Solar Telescope
  • B500 blocking filter in star-diagonal housing
  • 1.25 inch Helical focuser
  • Dovetail bar (GP level)
  • Sol-Searcher
  • Instruction manual


Colour: white
Field of application [Telescopes]: Solar observation
Focusing system: 1.25" Helical focuser
Material: Aluminium
Mount Type [Telescopes]: Optics without Mount
Telescope filter type: Solar Filter H-Alpha

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Accessories

LUNT LS7-21ZE Zoom Eyepiece 7.2mm - 21.5mm
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

£280.00*
BRESSER Twilight I telescope mount with tripod
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BRESSER Messier EXOS 1/EQ-4 Mount
Mount and Tripod. The BRESSER Messier beginners series of telescopes. Within this series you find smaller optics mounted stable on the new BRESSER EXOS 1 mount. This combination means more value for money and puts an end to flimsy beginners scopes which discourage most of the beginners due to small, under engineered mounts. The EXOS 1 with a robust stainless steel tripod bears optical tubes weighing up to 7kg stable for visual observation. The optional motor drive for the RA axis makes usage even more comfortable, so there is no need of manual tracking and the object is kept steadily in the field of view.FEATURES Stable parallactic mount with fine drive in both axes Circular bubble level for easy horizontal alignment Stable height-adjustable stainless steel tripod Retrofittable with a tracking motor for the right ascension axis Pole height scale for setting the latitude Scaled graduated circular rings for easier finding of objects by means of star atlas or planetarium software Tripod weight: 4.7 kg Mount weight: 4 kg (without counterweight) Total weight incl. counterweight: 13.2 kg SCOPE OF DELIVERYEXOS 1 German equatorial mountstainless steel tube field tripod1 x 4.5 kg counterweight

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LUNT HAT solar hat with neck flap
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

£55.00*
LUNT Heating Module for Blocking-Filter
At very cold temperatures, blocking filters may no longer work accurately central in the H-alpha wavelength, which means that the details on the sun become less visible. With this Heating-Module you can counteract this effect and observe the sun in the H-Alpha line optimally even at cold temperatures.The Heating-Module is for use with blocking filters in 90° star-diagonal housing from Lunt Solar Systems. It cannot be used at blocking filters in straight extension tube.The Heating-Module has an internal battery which allows for about 1 to 1.5 hours of operation. The battery can be recharged with the supplied USB cable.FEATURESAllows optimal observations in the H-alpha line even at very cold temperatures with blocking filters from Lunt Solar SystemsOperating time about 1 to 1.5 hoursInternal battery can be charged via USB cableCan also be used as a portable charger to power small electronic devicesInput (IN): 5V 2AOutput (OUT): 5V 2ACapacity: 5000mAhSCOPE OF DELIVERYLSBHEATER Heating-Module for Blocking-FiltersMounting screwsHexagon wrenchUSB cableInstruction manual(Blocking-filter not included!)

£373.00*
LUNT Transport Case for LS50THa and LS40THa
This transport case is suitable for all 50mm telescopes of the LS50THa series, and also for all 40mm telescopes of the LS40THa series.Foam not included! The foam of the LS50THa or LS40THa telescope boxes falls into place to this transport case.FEATURESTransport case dimensions: 48 x 28 x 18 cmSCOPE OF DELIVERYTransport Case for LS50THa and LS40THa telescopes(Telescope and foam not included!)

£130.00*
1,25‘‘ Feather-Touch Focuser
Starlight-Instruments Feather-Touch focuser for very precise focusing.This Feather-Touch focuser allows very fine and precise focusing. The Feather-Touch focuser provides a M35x0.5 thread on the telescope-side, therefore it can be used directly at all telescopes that have a M35x0.5 thread. At the eyepiece-side there is a T2 thread and a 1.25" connection.For example this Feather-Touch focuser can be used at all Lunt Solar Systems LS40THa and LS50THa telescopes. Please note that this Feather-Touch focuser allows very precise focusing at this telescopes, but it will not provide more back-focus than the standard helical-focuser.Technical data:• Length: 48mm to 65mm• Travel: 17mm• Diameter: 57mm• Weight: 350gDelivered by order:• 1.25" Starlight-Instruments Feather-Touch focuser

£467.00*
LUNT LS40FHa H-alpha double-stack filter for LS40THa
​Expected to be available from autumn / winter 2023 Double-stack filter for LS40THa telescopes. The bandwidth of H-alpha systems can be reduced by so-called "double-stacking". A smaller bandwidth provides much more contrast at the solar surface, thereby many more details will become visible. Double-stacking with a bandwidth of only <0.55 Angstrom is also possible at the LS40THa telescopes. Therefore Lunt Solar Systems has especially designed this LS40FHa double-stack filter in compact housing. The filter threads directly onto the LS40THa telescopes. FEATURES Aperture: 40 mm Bandwidth: <0.55 Angstrom Tuning: mechanical tilt-tuning Housing diameter: Length: Weight: Front thread: Rear thread: only usable together with a LS40THa telescope! SCOPE OF DELIVERY LS40THa H-alpha double-stack filter Instruction manual

£934.00*

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£280.00*
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