Askar M54/M54 Backfocus Adjuster - BFA-M54 85mm Refractors With its standard Ultra High

With its standard Ultra High Transmission Coatings (UHTC) gives you the sharpest

AVX and CGEM Mount Specifications

This AZ5 Mount is fabricated from cast aluminum and designed to attach smaller telescopes up to 5 kg (or 11 pounds) in weight

the Delta T would decrease

a StarPointer™ red dot finderscope

Askar M54/M54 Backfocus Adjuster - BFA-M54 85mm Refractors With its standard Ultra HighThe M54 version of the Askar backfocus adjuster's front telescope interface is female thread M54x0. 75 and the rear camera interface is male thread M54x0. 75, the overall thickness is 18mm and offers 2mm adjustment range. The backfocus adjuster is CNC machined. Each unit is a 0. 05mm precision adjustment, the surface is printed with a scale for easy adjustment and to save the position. There are two holes for fixing screws, which make the adjuster