Product Highlights
Professional complete telescope set with a very stable Wifi GoTo mount, 115 mm SD apochromat, sturdy tripod, and 2 eyepieces "Made in Japan"
- Complete telescope set with a stable Wifi GoTo mount and 115 mm SD apochromat
- 115 mm apochromatic high-performance refractor with FPL53 ED glass without spacers
- Ensures extremely high contrast and excellent sharpness without star spikes
- State-of-the-art SXP2WL equatorial GoTo mount with WiFi and 17 kg payload capacity (photographic)
- Simple operation via smartphone or tablet without cable clutter
- Comfortable GoTo slewing by entering data on the display
- Free STAR BOOK Wireless app with star chart program
- Extensive object database with up to 259,000 celestial objects
- Lower power consumption than previous models with Starbook Ten control
- Total weight: 32.9 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
Select the desired celestial object from a list, and it will be 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 issues. Equipped with the same precision stepper motors as the top model, the AXD mount, the SXP2WL sets a new standard of performance and precision in the Vixen mount family.
The cross-axis of the SXP2 mount has a photographic payload capacity of 17 kg and weighs only 13.3 kg, making it ideal for mobile observations. Additionally, the motors in the lower part of the mount also act as counterweights, reducing the need for additional weights.
Stronger Mount Body
The SXP2 mount is equipped with larger bearings than previous models to increase accuracy and load capacity. Additionally, the mount body is characterized by a thicker material. To further stabilize the polar block, the cross-axis is securely clamped into a fork mount.
The SXP2 mount comes with the modern STAR BOOK TEN controller. It offers the P-PEC function for particularly precise tracking. "PEC" stands for "Periodic Error Correction". The system corrects mechanical errors caused by periodic gear errors. The P-PEC function available for the SXP2 equatorial mount is an enhancement of the PEC function. The P-PEC function stores your correction data even after the mount has been powered off. This means you do not need to re-enter the data every time, allowing for faster operation and more precise tracking.
In conventional motor drive systems for equatorial mounts, gears are driven by the motor. However, this design has the disadvantage of creating some backlash between the gears. To avoid the resulting inaccuracies, the SXP2 mount features a belt drive system. This significantly reduces both gear backlash and drive noise. In addition, the mount responds faster when corrections are needed.
The mechanical parts of the SXP2 mount contain a total of 16 bearings. The RA axis is equipped with a set of tapered roller bearings 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 altitude adjustments.
The 6x20 polar finder is pre-installed. This allows for polar alignment in both the Northern and Southern Hemispheres. The polar finder features a variable illuminated reticle with an automatic shut-off function. The brightness can be adjusted in 8 levels to suit your individual needs. Additionally, the polar finder is equipped with a direct alignment system using three reference stars and can achieve accuracy up to 3 arc minutes.
The mounting head has a diameter of 35 mm and eight threaded holes for M8 screws, arranged 45 degrees apart. An optional accessory plate can be attached directly or in combination with an optional mounting block for dovetail plates. The threaded holes in the mounting head also allow the use of rails from other manufacturers.
Combination of Innovative, Elegant Design and User-Friendly Operation
The stable, rigid mount body with very precise tracking has been further optimized by the P-PEC function. This makes the SXP2 a highly precise and easy-to-use mount, sure to delight any astrophotographer or observer.
The heavy RA and DEC motor units are located in the lower part of the declination axis, placing the center of gravity of the cross-axis below the RA and DEC axis. This allows the declination body to act as a counterweight. The flat mounting head also enables the mount to 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 in the declination body.
The #35511 Polar Meter can be easily and quickly attached to this shoe for polar alignment.
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. This enables you to use the STAR BOOK Wireless smartphone app (free) for celestial navigation without cabling. The app quickly turns your mobile device into a controller for the equatorial mount. The mount’s response delay, often considered the biggest drawback of wireless connections, has been reduced to a level comparable to wired solutions.
Reduced Power Consumption Compared to Traditional Controllers with LCD Monitor
The power consumption of the mount 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 is similarly structured to the STAR BOOK TEN controller. Depending on the star chart settings, it contains up to 259,000 celestial objects. Simply tap on an object in the list and start the GoTo. The mount will automatically move to the target and bring it into the telescope’s field of view. All the popular features of the STAR BOOK TEN remain available.
Comfortable Operation
While looking through the telescope, you can operate the mount by swiping on the app’s star chart. Since there are no buttons, you simply glide your finger over the star chart to easily control the mount.
Extensive Astronomical Data Included
This includes data on well-observed celestial bodies 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 fairly accurate mount positioning. By aligning with three or more stars, a highly precise alignment for high magnifications can be achieved. Objects are then targeted precisely and centered in your telescope’s field of view. Alignment data is saved and can be retained even when the device is powered off. By leaving the telescope in its current state after an observation without moving it, you can start the automatic installation with the same settings during the next observation.
Customizable Settings
Like the STAR BOOK TEN controller, the app offers various individual settings such as gear backlash compensation, red night mode, autoguider, variable GoTo speed, and LED brightness. You can also set the timing of the optical tube flip (meridian flip) as desired. Even if the object moves south during tracking, you can prevent the telescope tube 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 CPU 120 MHz
The unit is connected to the mount via a D-SUB 9PIN connector, as with the STAR BOOK TEN.
It features a 6-pin 6-core modular plug for external autoguider operation.
Supported operating systems are 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 shaft: 20 mm Ø RA
- Polar finder scope: PF-LII 6x20 mm
- Stepper motors: 250 PPS speed, maximum 1000x sidereal rate
- Maximum payload: 17 kg for photography without counterweight
- Power supply: DC12 V 0.45~2.2 A
- Dimensions: 386 x 419 x 128 mm
- Weight of axis cross: 13.3 kg without counterweight
- Counterweights: 3.7 kg, 1.9 kg
- Objective lens: D=115 mm, multi-coated
- 2-lens SD apochromat without spacers
- No spikes visible on stars
- Focal length: 890 mm (f7.7)
- Resolution and limiting magnitude: 1.01 arc seconds; 12.1
- Light gathering power: approx. 270x more than the human eye
- Dimensions and weight: 125 mm dia x 930 mm; 4.4 kg without accessories
- Finder scope: 7x50 illuminated
- Adapter and connections: 60 mm thread, 50.8 mm and 31.7 mm sleeve, T-ring thread
- Connection: 50.8 mm and 31.7 mm sleeve with flip mirror
- Photography: Prime focus and eyepiece projection
- SXP2WL mount
- SD115S II apochromat
- 7x50 finder, illuminated with 1.25-inch eyepiece holder
- SXG HAL130 tripod
- SXG half-pillar
- Wifi module
- 2 counterweights: 1.9 kg and 3.7 kg
- 9-pin D-sub cable
- Mounting tool
- Polar finder PFL-II
- Cigarette lighter cable
Colour: | white |
---|---|
Colour of coating: | green |
Dust protection caps: | dust caps for eyepiece and objective |
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: | good |
Type of coating: | Fully multi-coated |
Type of tripod thread: | 60 mm |
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