Pay in 4 interest-free payments of $74.88 Learn more
Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
both published by Farcountry Press
This includes a dew shield
Convenient Design
these Newtonians also produce bright and detailed viewing for visual astronomy
clear images
71F Flat-Field New Product both published by Farcountry PressThe Askar 71F is an OTA with an aperture of 71mm, a focal length of 490mm, and a native focal ratio of F6. 9. The Askar 71F adopts a quadruplet air spaced APO lens design, including one piece of ED glass which can effectively reduce chromatic aberration. The Askar 71F supports 44mm full frame imaging with great performance of the surrounding star points. The Askar 71F is a self flattened design that allows users to avoid calculating the back focus and
US$ 511.00
US$ 10.00
US$ 179.99
US$ 179.99
US$ 51.00
US$ 17.39
US$ 15.00
US$ 25.00
