iOptron HST MiniTracker - Ultra Compact SWG DSLR Tracker - 3650 Telescope Accessory Cases and they are Dioptrx-ready

and they are Dioptrx-ready

M54 Thread Pitch 0

or MiniTower/AZ mount Pro tripod

This small QHY tripod adapter

the focal length changes to 495mm and the focal ratio becomes f/6

iOptron HST MiniTracker - Ultra Compact SWG DSLR Tracker - 3650 Telescope Accessory Cases and they are Dioptrx-readyThe iOptron HST MiniTracker is the optimal tracking solution for the on the go imager! The iOptron HST MiniTracker is small enough to rest in your palm, yet capable of carrying up to 9 pounds of imaging gear. Perfect for tracking with your DSLR, this little powerhouse is the ultimate portable camera sky tracking device. Weighing only 1. 75 pounds, this SWG (strain wave gear) mini imaging tool features 4 tracking rates: sidereal for stars and deep