Askar M54/M54 Backfocus Adjuster - BFA-M54 85mm Refractors Application: ES 152mm Carbon Fiber

Application: ES 152mm Carbon Fiber EDAPO Series

Dioptrx allows seeing your normal maximum contrast that eyeglasses can diminish (remove your eyeglasses and see how contrast improves in normal vision)

25" eyepieces

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

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

Askar M54/M54 Backfocus Adjuster - BFA-M54 85mm Refractors Application: ES 152mm Carbon FiberThe 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