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Vixen ED81S 81mm Telescopes and GP2 Mount and Optional Star Book-S
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Product Info for Vixen ED81S 81mm Telescopes and GP2 Mount and Optional Star Book-S
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When the Vixen ED81S 81mm APO Telescopes 99532 - 99533 with GP2 Mount were introduced, it set a new standard for APO refractor telescopes. The combination of better color correction from the new ED glass and brighter images from its fast f/7.7 focal ratio will satisfy the most demanding visual astronomer or astro-photographer. The new ED glass produces clear and high contrast viewing, virtually free of false color. Vixen 's innovative design uses newly developed, environmentally friendly glass technology. The telescope optical tube is very stable yet light weight. The top carry handle also includes a 1/4-20 stud for piggyback digital camera mounting. The new Vixen dual speed focus, now standard on the Vixen ED81 telescope, provides fine focus adjustments for 1/7th speed focusing. This is a package designed for serious astronomical observing. The combination of high quality Vixen ED81S optical tube and the sturdy GP2 telescope mount is an excellent choice for exploring the starry night sky. Set-up is quick. You can be observing in less then 5 minutes. The system allows you to grow with the addition of R.A. and Dec motors, hand controllers and the new Starbook S Go-To System with built in starchart. Vixen makes it easy to add a polar alignment scope and other accessories as needed. For a full line of Vixen Telescopes and other products by Vixen on sale please visit the Vixen Telescopes page on our website. For more brand name Telescopes please visit our Telescopes store section.
Available Vixen Astronomy Telescopes:
- Vixen ED81S Telescope and GP2 Mount 99532
- Vixen ED81S Telescope and GP2 Mount and Star Book-s 99533
Specifications for Vixen ED81S 81mm Telescope and GP2 Mount and Optional Star Book:
| Objective Lens: | 3.2 in (81 mm)ED Apochromatic, MultiCoated |
| Focal Ratio: | f/7.7 |
| Resolving Power: | 1.43 arc sec., 11.3 |
| Light gathering power: | 134x |
| Adapter Thread/Visual Back: | 60mm, 42mm for T-Ring, 50.8mm |
| Dimensions: | 90mm x 573mm/ 3.5 x 22.5in |
Specifications for Vixen GP2 Mount:
| R.A. Slow Motion Axis: | 144-tooth wheel gears whole circle movement |
| DEC Slow Motion Axis: | 144-tooth wheel gears whole circle movement |
| R.A. Graduations: | Optional (Included in Polar Axis scope set) |
| DEC Graduation: | Optional (Included in Polar Axis scope set) |
| Polar Axis Scope: | Optional |
| Altitude Adjustment: | 0 to 62 degrees (2 degree increments) |
| Aximuth Adjustment: | Double screw fine adjustment |
| Motor Drive: | Optional, with STARBOOK-S or D2M motor drive set |
| Maximum Loading Weight: | 22 lbs. |
| Counterweight: | 3.7 kg (8.15 lb) |
| Weight: | 4 kg/ 8.8 lbs (without counterweight) |
Features of Starbook Hand Controller:
- Monochromatic LCD-display
- Background illumination
- Navigation using the displayed star chart
- 22,000 object database
Package Contents:
- Vixen ED81S 81mm Telescope and GP2 Mount and Optional Star Book-S 99532 or 99533
- Red Dot Finder
- NLV25mm Eyepiece
- Dove Tail Plate
- Flip Mirror
