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Showing posts from April, 2018

Nexstar 4SE: Connecting a star diagonal with Celestron Visual Back

I've been using a Celestron NexStar4SE for about five years now and have tried photographing various types of sky objects. The best photos I have so far have been of planets. My rig for these have been the following: Celestron NexStar 4SE Canon 550D unmodded Celestron 93635-A T-Adapter for NexStar 4GT Celestron T-ring for Canon EOS camera Samyang 2x teleconverter Along with these and shooting on 640x480 movie crop mode on the camera, you can get pretty decently sized photos of the plantes such as the following. Saturn through Nexstar 4SE, Canon 550D via Samyang 2x converter and 640x480 movie crop mode shooting. However I always had doubts about the optics of the Samyang 2x converter. It was built to go with the Samyang 500mm mirror lens and wasn't exactly built for the purpose of astrophotography. My choice of replacement was the Celestron 2x Barlow. The Celestron 2x Barlow however comes with its own set of new requirements. While the Samyang 2x converter could