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Unfortunately Vixen ED81S Telescope 81 mm with Dual Speed Focuser is not listed by OpticsPlanet.You can also explore other items in the Telescopes yourself to try and find the perfect replacement for you!
When The Vixen ED81S Refractor Telescope with Dual Speed Focuser 5864 was 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 in this 81mm telescope produces clear and high contrast viewing, virtually free of false color. Vixen 's innovative design uses newly developed, environmentally friendly glass technology. The optical telescope tube is very stable yet light weight. The top carry handle also includes a 1/4-20 stud for piggyback camera mounting. Vixen 's new Dual Speed Focuser, now standard on the ED81, provides fine focus adjustments for 1/7th speed focusing. 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.![]()
| 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 |