Showing posts with label remote focus. Show all posts
Showing posts with label remote focus. Show all posts

Wednesday, August 17, 2011

High resolution picture of remote focus control box


By request...

Monday, September 13, 2010

Remote focus control for telescope (remote follow focus)

The chips in the control circuit are:

Avago HCTL-2032-SC quadrature decoder
E-lab EDE1200 stepper control
Generic 558 timer for simple oscillator








Hi-res version


Moon at f/6.3 1/320 at ISO100. The lens is approx 1260mm (telescope with focal reducer).



Composite shot of Jupiter with its moons.