iOptron iCAM Extension Tube - 3370 type-tripods and piers 23 Payload with CW *

23 Payload with CW * 55 lbs (25 kg) Period 270 second Drive motor Stepper motor Structure Material All metal

5 ED APO Triplet Refractor by Founder Optics includes not one but two ED APO lenses for amazingly sharp and clear images

so constant mechanical adjustment of the telescope's orientation isn't needed to keep objects in your field

56 focal ratio

Comes with a 2-year Celestron warranty

iOptron iCAM Extension Tube - 3370 type-tripods and piers 23 Payload with CW *This iOptron extension tube for the iCAM series of imaging cameras is 20 mm long and approximately 30 mm in diameter with M28. 5x0. 6 threads at both ends. See the dimensions drawing (in photos section) to get a full sense of the design of this extension tube.