An Easy to Make, Single-piece Crayford-type Focuser
Homemade DIY focuser for telescope with computer control.
DIY focuser design - ATM, Optics and DIY Forum - Cloudy Nights
Homemade DIY focuser for telescope with computer control.
Share photos of your DIY focusers - ATM, Optics and DIY Forum - Cloudy Nights
DIY Focuser Upgrade for Schmidt--Cassegrain Telescope - YouTube
Ken's Telescope Page
1.25 Inch Metal Rack Focuser Refraction Astronomy Telescope Type For Eyepiece For Professional Monocular Astronomic Telescopes - Telescope - AliExpress
Crayford focuser for a 2" DIY telescope - YouTube
Focusers of telescopes. Types, difference, specifications
Focusers of telescopes. Types, difference, specifications