Skywatcher Skymax 180 PRO Ota focus controller commonly known as the Propeller

commonly known as the Propeller

lunar rate

This clever accessory makes it possible to have a dual focal ratio instrument

They are very useful for attaching e

Skywatcher Skymax 180 PRO Ota focus controller commonly known as the PropellerSkywatcher Skymax 180 PRO OTA Powerful and compact F 15 "Planet Killer" Optical System with excellent sharpness and high contrast, free from Chromatic Aberration The Skymax 180 Maksutov Cassegrain is a powerful, high resolution f 15 optical system that is free from chromatic aberration and provides outstanding high contrast and image sharpness. Sky Watcher is a leading expert manufacturer of Maksutov Cassegrain telescopes of a wide range of apertures