Takahashi Epsilon 180 ED - Astrosirius

Robo-Focus Timing pulle and Timing belt MXL

26th June 2014 - Takahashi Epsilon 180 ED - Comment -

This is my new design to refine the focus below the 17.248 microns according to my configuration, based on the Critical Focus Zone equation, CFS = fr squared x 2.2.

Leave a comment