Askar 1.0x Flattener for 80ED (F80ED)

Askar 1.0x Flattener for 80ED (F80ED)The 1. 0x flattener does not change the native focal ratio the Askar 80ED remains at f 7. The Askar 80ED 1. 0x flattener features a triplet lens design, including one piece of ED glass, optimized for the APS C frame. It weighs 0. 42 kg. The back focus is a standard 55mm from the M48 threaded surface. The flattener corrects field curvature and coma, resulting in a flatter field and sharper, rounder stars at the edges. Installation Instructions

This will aid in choosing the correct controller for your system as your controller must be able to handle the amperage requirements of your heaters

Suitable for all SolarSpectrum H-alpha Filters - with 2" male threads on both sides

random horizontal banding can be removed with multiple frame stacking so it does not affect the final image

This problem can easily be solved by blocking the infrared

For C11 & C14

86 cm - 144

which are sold separately

Celestron’s EdgeHD reducers features a custom 4-element optical design engineered to maintain the flat-field performance of our award-winning EdgeHD optical system

When the lens tube is contracted

we want it to be the best easy-to-use star tracker

25-inch diameter legs

the 31-mm Nagler Type-5