File talk:Keplertelescope.png

Kepler?

I thank the uploader for a fine drawing, but what is Kepler's in this achromatic scope with rack-and-pinion focuser and two-lens eyepiece? Kepler never had anything like that in his time. His refractor type was simply two lenses. ZwillinG (talk) 13:30, 1 December 2017 (UTC)