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Camera Platform

astrophotography DIY equipment eq mount


Alen Koebel

Camera Platform

Back when I did film astrophotos I made a simple wooden platform that allowed me to mount an 80mm guidescope and two 35mm film cameras, one with a 300mm f/4.5 telephoto lens, on a Vixen GP-DX. I used this to get wider-angle photos than I could get with my main telescope, with typical exposures up to 45 minutes and some one hour long. The GP-DX mount was so accurate (with PPEC training) I only had to look in the illuminated-reticle eyepiece occasionally to ensure good tracking and corrections were infrequent. Most of the many wires in the photo are for Kendrick dewheaters attached to every objective lens. Today, I do all wide-field and telephoto imaging with a Pentax K-3II DSLR with Astrotracer mounted on a tripod; no EQ mount or tracker required.

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