Product Highlights
Professional complete telescope set with a very stable, ultra-modern Wifi GoTo mount, 103 mm SD apochromat, stable tripod, and 2 eyepieces "Made in Japan"
- Complete SD103SII telescope set for immediate observational use
- Apochromatic high-performance refractor with FPL53 SD glass "Made in Japan"
- 103 mm SD lenses with a focal length of 795 mm guarantee extremely color-pure images
- Very high sharpness, enormous contrast, and excellent workmanship
- State-of-the-art SXP2WL equatorial GoTo mount with WiFi and 17 kg load capacity (Photographic)
- Simple operation via smartphone or tablet without cable clutter
- Comfortable GoTo slewing through input on the display
- Free STAR BOOK Wireless app with star map program
- Extensive object database with up to 259,000 celestial objects
- Total weight: 26.2 kg
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:
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
The older ED81SII, ED103S, ED115S refractors were originally designed for visual observers and APS-C camera users. However, the new SD series, with the addition of new internal baffles, is optimized for full-frame cameras. The large 60-mm focuser also allows the attachment of heavy cameras without tilting. Additionally, the included flip mirror allows comfortable observation even in difficult observing positions and offers a T2 thread for connecting a DSLR camera. This way, you can observe in straight view or at a 90° angle. The handle attached to the tube rings provides secure handling when transporting the telescope. The stable metal tripod ensures vibration-free mounting of the telescope and mount, even in windy conditions.
By tapping the desired celestial object from a list, it is automatically slewed into the telescope’s field of view, and tracking begins. An existing STAR BOOK TEN controller can also be used with this mount without any problems. Equipped with the same precision stepper motors as the top model, the AXD mount, the SXP2WL brings a new standard of performance and precision to the Vixen mount family.
The axis cross of the SXP2 mount, with a photographic load capacity of 17 kg, is just 13.3 kg light, making it ideal for mobile observations. Additionally, the motors located in the lower part of the mount also serve as a counterweight. Thus, the mount requires fewer counterweights for balancing.
Stronger Mount Housing
The SXP2 mount is equipped with larger ball bearings than previous models to increase accuracy and load capacity. Additionally, the mount housing features a greater material thickness. To make the polar block even more stable, the axis cross is firmly clamped into a fork.
The SXP2 mount comes with the modern STAR BOOK TEN controller, which offers the P-PEC function for particularly precise tracking. "PEC" stands for "Periodic Error Correction." The system corrects mechanical errors that cause periodic errors in the gear systems. For the SXP2 equatorial mount, the P-PEC function is available, which evolved from the PEC function. The P-PEC function stores your correction data, even after the mount's power is turned off, meaning you do not need to re-enter the data each time, allowing for faster operation and more precise tracking.
In conventional motor drive systems of equatorial mounts, gears driven by the motor are used. However, this design has the disadvantage of creating some play between the gears. To avoid the inaccuracies that arise from this, the SXP2 mount uses a belt drive system. This significantly reduces both gear play and drive noise. Additionally, the system reacts more quickly when corrections are needed.
The mechanical components of the SXP2 mount contain a total of 16 bearings. A set of tapered roller bearings is used for the RA axis to provide more stability for precise tracking.
The SXP2 mount uses the same fork as the heavier AXJ mount. This new design allows for quick and stable latitude adjustment.
The pre-installed 6x20 polar finder allows you to set the polar alignment for both the northern and southern hemispheres. The polar finder offers an adjustable illuminated reticle with an automatic shut-off function. The brightness can be adjusted in 8 levels to suit your individual needs. The polar finder also features a direct alignment using three reference stars and can achieve an accuracy of up to 3 arcminutes.
The mount head has a diameter of 35 mm and eight threaded holes for M8 screws, arranged 45 degrees apart. An optional accessory plate can be mounted directly or in combination with an optional dovetail mounting block. Additionally, the threaded holes on the mount head allow for the use of rails from other manufacturers.
Combination of Innovative, Elegant Design and User-Friendly Operation
The stable, rigid mount body with highly accurate tracking has been further optimised by the P-PEC function. This makes the SXP2 a high-precision, easy-to-use mount that will delight astrophotographers and observers alike.
The heavy RA and DEC motor units are installed in the lower part of the declination axis, so the centre of gravity of the axis cross lies under the RA and DEC axes. As a result, the declination body acts as a counterweight. Thanks to the flat mount head, the mount can also be balanced with significantly fewer counterweights.
The counterweight bar is made of solid stainless steel and has a diameter of 20 mm. It is compatible with all counterweights from the SX and GP mount series. The counterweight bar is housed within the declination body.
For quick and easy polar alignment, the #35511 Polar Meter can be slid onto this shoe.
The latitude can be adjusted between 0 and 70 degrees (divided into 3 zones and adjustable +/- 15 degrees per zone, for high, mid, and low latitudes).
The Vixen Wifi Adapter for EQ mounts allows you to control your Vixen mount via a smartphone or tablet. With this, you can perform sky navigation without any cabling using the free STAR BOOK Wireless smartphone app. This app quickly turns your mobile device into a controller for the equatorial mount. The mount's response delay, often considered the biggest disadvantage of wireless connections, has been reduced to a level comparable to wired solutions.
Reduced power consumption compared to traditional controllers with an LCD monitor
The mount’s power consumption is reduced by up to 20%, enabling longer observation sessions compared to traditional wired controllers like the STAR BOOK TEN.
Operation similar to the STAR BOOK TEN controller
The STAR BOOK Wireless app has a similar layout to the STAR BOOK TEN controller. Depending on the star chart settings, it contains up to 259,000 celestial objects. Tap on an object from the object list, and start the GoTo. The mount will automatically point to the target, bringing it into the telescope’s field of view. All the popular features of the STAR BOOK TEN are retained.
Convenient operation
While looking through the telescope, you can control the mount by swiping on the star chart within the app. Since there are no buttons, you simply slide your finger across the star chart to operate the mount easily.
Comprehensive astronomical data included
This includes data for well-known celestial objects such as Messier objects, NGC objects, IC objects, as well as the Sun, Moon, planets, comets, and dwarf planets.
High-precision alignment
By aligning with one or two stars, you can achieve reasonably accurate mount positioning. Aligning with three or more stars allows for highly precise alignment, ideal for high magnifications. Objects will be centered accurately within the telescope’s field of view. Alignment data is saved and can be retained even when the device is turned off. By leaving the telescope in its current state after an observation session, you can use the same settings for automatic setup during the next observation.
Customizable settings
Just like with the STAR BOOK TEN controller, the app offers various customizable settings, such as gear backlash compensation, red night mode, autoguider, variable GoTo speed, and LED brightness. You can also adjust when the optical tube flips (meridian flip). Even when the object moves south during tracking, you can prevent the telescope from flipping.
Important Information
Not compatible with older SX mounts using the old blue Star Book.
Technical information on the Wifi module
32-bit CISC processor with 120 MHz CPU
The unit is connected to the mount via a D-SUB 9PIN connector, similar to the STAR BOOK TEN.
It has a 6-pin 6-wire modular connector for external autoguider operation.
Supported operating systems: Android 6 or higher, iOS 9.0 or higher, WiFi standard: IEEE 802.11b/g/n
- RA worm wheel: 73.2 mm Ø, brass wheel with 180 teeth
- DEC worm wheel: 73.2 mm Ø, brass wheel with 180 teeth
- Worm shaft: 9 mm Ø, brass
- RA & DEC axis: 40 mm Ø, carbon steel bearings, 16 bearings
- Counterweight bar: 20 mm Ø RA
- Polar finder scope: PF-LII 6x20 mm
- Stepper motors: 250 PPS, maximum speed 1000x sidereal rate
- Maximum load capacity: 17 kg photographic without counterweight
- Power supply: DC12 V 0.45~2.2 A
- Dimensions: 386 x 419 x 128 mm
- Weight of the axis cross: 13.3 kg without counterweight
- Counterweight: 3.7 kg, 1.9 kg
- Objective lens: D=103 mm, multi-coated
- 2-element SD apochromat without spacers
- No more spikes around stars
- Focal length: 795 mm (f7.7)
- Resolution and limiting magnitude: 1.13 arcseconds; 11.8
- Light-gathering power: approx. 217x more than the human eye
- Dimensions and weight: 115 mm dia x 810 mm; 5.5 kg
- Finder scope: 7x50 illuminated
- Adapters and connections: 60 mm thread, 50.8-mm and 31.7-mm sleeves, T-ring thread
- Connection: 50.8-mm and 31.7-mm sleeves with flip mirror
- Photography: Primary focus and eyepiece projection
- SXP2WL mount
- Wireless Unit
- Counterweight: 1.9 kg, 3.7 kg
- PFL-l2 illuminated polar finder with direct search
- Assembly tools
- Cigarette lighter cable
- SD103SII lens telescope
- Flip mirror
- 2 eyepieces (SLV 20, SLV 5)
- Tube clamps 2x
- Dovetail mounting
- 7x50 finder scope, illuminated with 1.25-inch eyepiece holder
- Stable SXG-HAL 130 aluminum tripod
Colour: | silver/white, white |
---|---|
Colour of coating: | green |
Dust protection caps: | for objective lens and rear opening |
Finderscope: | 7 x 50 mm |
Fine movements: | Electric (RA and DEC) |
Focus Group [Telescopes]: | Advanced Amateurs, Specialists and Research, Visual enthusiasts |
Material: | Aluminium |
Material front lens or corrector plate: | Ohara Japan FPL-53 ED glass |
Material tripod 3): | Aluminium |
Mount Type [Telescopes]: | German/Equatorial Mount with GoTo |
Optical design: | Apochomatic Refractor |
Product Family [Telescopes]: | Refractor telescope |
Transportability: | normal |
Type of coating: | Fully multi-coated |
Type of tripod thread: | 60 mm |
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