240 mm focal length: design for astrophotography telescope up to 1500 mm focal length; wide field optics put so potential guide star; an locking thumbscrew holding in place; built in hex screws in holes that tighten two hex screws with hex wrench to lock
Miniguide tube to fastly find object and guiding star that designed for visual and astrophotography; worm-focuser: fast focusing and prevent rotation of camera and eyepiece; use as comfortable and large viewfinder with less time to find object in visual
Built in worm focuser with brass compression ring and 2 thumbscrews; 45mm focusing range means 10mm focusing range with micro focusing helical focuser and 35mm fixable with scaled drawtube that is made possible by extremely precise focus adjustment
Provide a way of quickly and easily mounting your guide scope onto your main telescope
It is just as easy to locate a suitable guide star as when using guide scope rings