Askar 131F - 131 mm f/7.5 Quadruplet Flat-Field APO Refractor - 131F Celestron SCT Paracorr can be used with

Paracorr can be used with both 2" and 1

The smooth rack and pinion design is incorporated into the focuser to provide super fine adjustability for critical focus

the power is instantly cut off to protect your equipment from overvoltage

15 kg gross weight with tube ring

Askar 131F - 131 mm f/7.5 Quadruplet Flat-Field APO Refractor - 131F Celestron SCT Paracorr can be used withAskar 131 mm Quad ED APO Flat Field Refractor Askar 131F Flat Field Quad Refractor Highlights The Askar 131F is a telescope OTA with an aperture of 131mm, a focal length of 983mm, and a native focal ratio of F 7. 5. It is designed for both visual observation and astrophotography. The quadruplet lens systemcomprising three front elements and one rear element, including one piece of ED glasseffectively minimizes chromatic aberration and supports 44mm