Solar Finder-Scope

Solar Finder for your telescope - clips onto your existing finder-scope, and projects a dot onto the target to tell you when your telescope is solar-aligned.

WARNING: ONLY USE THIS IF YOUR TELESCOPE HAS A FULL-APERTURE SOLAR FILTER OR YOU COULD BLIND YOURSELF!!!!

Note: The part has been completely re-designed to be able to be 3D-printed without support - print it standing up. (This version supersedes my previous "Solar Finder-Scope", which was not well set-out for 3D printing.)

Fit a full aperture solar filter to your telescope, then point your telescope towards the sun - the pinhole casts a bright spot onto the target, to help you align your telescope to the sun.

Depending on the precision / tolerance of your printer, and the accuracy of alignment when it snaps onto your existing finder, the solar dot may or may not hit the centre of the target cross-hairs when solar-aligned, but it should be fairly reproducible between solar viewing sessions (especially if you leave it fi