Askar 71F Quadruplet Flatfield APO Telescope – Dark Clear Skies Dovetail Mounted Handle 1 pc IR-Pass 685nm filter

1 pc IR-Pass 685nm filter in a Plastic case

this field flattener is also suitable for use with the FS-60

Media Sync

The same software can also automatically set and control field de-rotation allowing you to use alt-az mounts without a wedge for long exposure astrophotography

Askar 71F Quadruplet Flatfield APO Telescope – Dark Clear Skies Dovetail Mounted Handle 1 pc IR-Pass 685nm filterASKAR 71F Quadruplet Flat Field Apochromatic Refractor Telescope The ASKAR 71F is a compact quadruplet apochromatic refractor designed for both astrophotography and visual observing. With a 71mm aperture, 490mm focal length, and a native focal ratio of f 6. 9, it offers a well balanced combination of portability, image quality, and ease of use. Designed for Full Frame Imaging The ASKAR 71F features a self flattened optical design, supporting a 44mm