ASKAR 32mm F4 GUIDE SCOPE COLOUR:BLACK In HCG mode

In HCG mode

The GIOTTO 320 can be used with telescopes with an aperture up to 320mm and an external tube diameter between 287 - 349mm with the included plastic thumbscrews

What does HPS mean

custom larger sizes

when a refractor is used for astrophotography

ASKAR 32mm F4 GUIDE SCOPE COLOUR:BLACK In HCG modeThe Askar 32mm F4 Guide Scope is a compact, lightweight instrument with a doublet objective lens and a focal length of 128mm. With precise X Y adjustment and helical focuser with 20mm of travel, this is an excellent choice for both 1. 25" barrel sized Mini and non Mini guide cameras. Available in Grey or Black. The standard finder style base includes two M4 threads and one 1 4" 20 thread for maximum compatibility. It has both a 1. 25" barrel adapter