iOptron HST MiniTracker Ultra-Compact SWG DSLR Tracker (3650) M82 An optical chain is as

An optical chain is as good as its weakest link

The models with 22mm are equipped with 2 Kowa high grade XD lenses

4mm (11") Focal Length: 2800mm (110") Focal Ratio: f/10 Focal Length of Eyepiece 1: 23mm (0

Quick focus allows for fast action to bring your subject in to detail in just a few smooth revolutions

iOptron HST MiniTracker Ultra-Compact SWG DSLR Tracker (3650) M82 An optical chain is asIntroducing The HST MiniTracker iOptrons next generation ultra compact SWG camera tracking device! Small enough to rest in your palm, yet can carry up to 9lbs of imaging gear. The iOptron HST MiniTracker is the ultimate portable DSLR sky tracking device. Weighing only 1. 75lbs this SWG (strain wave gear) mini imaging tool features 4 tracking rates, sidereal for stars and deep space, lunar for the moon, solar for the sun, and rate for imaging the Milky