ZWO 30 f/5 MINI GUIDE SCOPE radius block The Mewlon 250CRS has a

The Mewlon 250CRS has a native focal length of 2500mm and a focal ratio of f/10

5 kg Drive Strain wave gears + synchronous belt Reduction ratio

it is recommend to use colour or mono CMOS cameras with a filter drawer

This is because the absorption of the extra neodymium ions would be too great in thicker glass

with better chromatic correction and field flatness

ZWO 30 f/5 MINI GUIDE SCOPE radius block The Mewlon 250CRS has aThe ZWO 30mm f 5 Mini Guide Scope is a lightweight, compact, and precise solution for guided astrophotography. Specially designed to complement ZWO guide cameras such as the ASI120MM Mini or ASI174MM Mini, this guide scope offers excellent optical performance in a portable format. With a 30mm aperture and a 150mm focal length, this telescope has an f 5 focal ratio, allowing you to capture bright guide stars easily and sharply. Its achromatic doublet