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Complete telescope set SXD2WL SD115SII with eyepieces, tripod and state-of-the-art GoTo mount with control via smartphone or tablet
- Complete SD115SII GoTo telescope set with all necessary accessories
- Apochromatic 115-mm high-performance refractor with FPL53 ED glass
- Reduces chromatic aberration to an absolute minimum
- Guarantees extremely high contrast and excellent sharpness performance
- Fully multi-coated 115-mm SD lenses without spacer plates
- State-of-the-art SXD2WL equatorial GoTo mount with Wifi and 15 kg carrying capacity
- Simple operation via smartphone or tablet without cable clutter
- Comfortable GoTo swiveling by tapping on the display
- Extensive object database with up to 259,000 celestial objects
- Total weight: 28.7 kg
In combination with the optional SD Reducer HD Kit or SD Flattener HD (not included), this refractor telescope enables illumination with a 44-mm image circle for full-frame SLR cameras. The older ED81SII, ED103S, ED115S refractors were originally developed for visual observers and photographers with APS-C cameras. However, the new SD series is also optimized for use with full-frame cameras due to the use of new internal diaphragms. The large 60-mm eyepiece holder also allows the attachment of heavy cameras without tilting. Furthermore, the supplied flip mirror allows comfortable observing even in unfavorable viewing conditions and also provides a T2 thread for attaching a DSLR camera. So you can observe at an 90° angle or directly. The carry handle attached to the tube clamps provides safe handling during transport of the telescope. The sturdy metal tripod allows vibration-free mounting of the telescope and mount even in windy conditions.
The SXD2WL mount is simply operated via a Wifi module with a smartphone or tablet . For user-friendly control of the mount, the free app STAR BOOK Wireless is available. This allows you to use practical celestial navigation functions like the automatic GoTo swiveling to specific celestial objects simply via your smartphone or tablet. Since the power consumption of the traditional LCD screen (STAR BOOK TEN) is eliminated, the power consumption of the mount is reduced by up to 20%. This enables astronomical observations and astrophotography over longer periods.
When you tap the desired celestial object from a list, it is automatically swiveled into the telescope's field of view and tracking begins. An existing STAR BOOK TEN control can also be used on this mount without any problems. Equipped with the same precision stepper motors as the top model, the AXD mount, the SXD2WL sets a new standard for performance and precision in the Vixen mount family.
The axis cross of the mount is with a photographic carrying capacity of 15 kg just 9.2 kg light and thus excellent for mobile observations . Moreover, the motors located in the lower part of the mount also act as counterweights. This reduces the need for additional counterweights.
The SXD2 Mount in Detail
Precision stepper motors and Micro-Step-Motion-Control system
The heart of the SXD2 are the precision stepper motors, which offer better performance and response than previous models. The Micro-Step-Motion-Control system boasts powerful yet very quiet drive properties, which are present both in fine movements and in fast swivels.
Built-in bearings
The bearings of the RA and DEC axes and the worm shafts have been significantly improved to reduce the load on the motors. As a result, the motors move much quieter than in previous models.
High-precision worm gears
High-precision processing technologies eliminate errors in the worm gears. The edges of both worms and worm wheels are particularly smooth, enabling very precise tracking.
Declination axis as counterweight
The massive motor units are built into the lower part of the declination axis, so the center of gravity of the SXD2 is below the intersection of the RA and DEC axes. This means you need fewer additional counterweights.
Latitude adjustment
The latitude can be adjusted between 0 and 70 degrees (divided into 3 zones and adjustable +/- 15 degrees per zone, for high, medium, and low latitudes); latitude scale in 2-degree steps; fine adjustment with a tangent screw head, approx. 0.8 degrees per rotation.
Built-in PFL-II polar finder with illumination
The built-in 5x20-mm polar finder with a 10° field of view features a 3-star alignment system. This eliminates the tedious setting of date and time. The illuminated reticle with variable brightness and automatic shutoff is adjustable in 8 levels and is red illuminated. The adjustment accuracy is 3 arc minutes.
The Wireless Module in Detail
The Vixen WiFi Adapter for EQ mounts enables you to control your Vixen mount via a smartphone or tablet. This allows you to navigate the skies wirelessly using the STAR BOOK Wireless app (free), instantly transforming your mobile device into a controller for the equatorial mount. The response delay of the mount, a major drawback of wireless connections, has been reduced to a level comparable with wired solutions.
Reduced power consumption compared to conventional controls with LCD monitors
The power consumption of the mount is reduced by up to 20%, thus allowing for longer observation periods than with conventional wired controls such as the STAR BOOK TEN.
Operation similar to the STAR BOOK TEN controller
The STAR BOOK Wireless App is structured similarly to the STAR BOOK TEN controller you might already be familiar with. Depending on the star chart settings, it includes up to 259,000 celestial objects. Simply tap on a celestial object in the object list to start the GoTo. The mount then automatically moves to this target and positions it within 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 control the mount by swiping on the app’s star map. With no buttons required, you simply glide your finger over the star map, allowing for easy operation of the mount.
Comprehensive astronomical data included
This includes data on easily observable celestial bodies such as Messier objects, NGC objects, IC objects, as well as the sun, moon, planets, comets, and dwarf planets.
High-precision alignment
Aligning with one or two stars already provides a fairly accurate positioning of the mount. Aligning with three or more stars allows for high-precision alignment of the mount for high magnifications. The objects are then precisely centered in your telescope’s field of view. The alignment information is stored and can be retained even when the device is turned off. By leaving the telescope in its current state after observing, without moving it, you can start the next observation with the automatic setup using the same settings.
Individual setting options
Like the STAR BOOK TEN controller, the app offers various individual settings such as backlash compensation, red night mode, autoguider, as well as variable GoTo speed and LED brightness. You can also set the timing of the objective tube reversal (Meridian Flip) as desired. Even if the object moves south during tracking, you can prevent the telescope tube from reversing.
Important Information
Not usable on old SX mounts with the old blue Star Book
Technical Information on the Wifi Module
CPU with a 32-bit CISC processor at 120 MHz
The unit connects to the mount with a D-SUB 9PIN connector, as with the STAR BOOK TEN.
It features a 6-pin 6-wire modular plug for external autoguider operation.
Supported operating systems include Android 6 or later, iOS 9.0 or later, WLAN standard: IEEE 802.11b/g/n
FEATURES
- Lens: D=115 mm, fully multi-coated
- 2-lens SD apochromat without spacer
- No spikes on stars
- Focal length: 890 mm (f7.7)
- Resolution and limit magnitude: 1.01 arc seconds; 12.1
- Light gathering capacity: approximately 270x that of the human eye
- Dimensions and weight: 125 mm dia x 930 mm; 4.4 kg without accessories
- Finder scope: 7x50, illuminated
- Adapters 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: Primary focus and eyepiece projection
SXD2WL Mount
- RA gear: 180 teeth
- DEC gear: 180 teeth
- Axle material and diameter: Carbon steel / Dec. 35 mm, RA 40 mm thickness
- Polar finder scope: 6x20 mm, PFL-II polar finder
- Altitude fine adjustment: 0° to 70°, (fine adjustment +/- 15°, height)
- Counterweight bar: 20 mm diameter
- Azimuth adjustment: worm gear fine adjustment
- Power supply: DC12 V; 0.4~1.7 A
- Maximum load: 15 kg, photographic, without counterweight
- Counterweights: 1x 1.9 kg and 1x 3.7 kg
- Mounting: 45 mm spigot
- Dimensions: 36 cm (H) x 12 cm (W) x 36 cm (L)
- Weight: 8.8 kg (19.4 lb), without counterweight
- 32-bit CISC processor 120 MHz
- Operating system: Android 6 or higher, iOS 9.0 or higher
- Connection: D-SUB 9PIN plug
- Autoguider input ST4
- Power consumption SXD2WL+Wireless unit: DC12V / 0.3–2.0 A (load 10 kg), 0.4–2.2 A (load 15 kg)
SCOPE OF DELIVERY
- SXD2WL Mount
- Wireless Unit
- Counterweights: 1.9 kg and 3.7 kg
- Polar finder scope, illuminated
- Mounting tools
- Car lighter cable
- SD115SII Refractor Telescope
- Flip mirror
- 2 eyepieces (SLV 20, SLV 5)
- Tube clamps
- Dovetail plate
- 7x50 finder, illuminated
- SXG Aluminium tripod
Colour: | white |
---|---|
Colour of coating: | green |
Dust protection caps: | Dust protection caps for front lens and eyepiece holder |
Finderscope: | 7 x 50 mm |
Focus Group [Telescopes]: | Advanced Amateurs, Specialists and Research, Visual enthusiasts |
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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