Backfocus on the EdgeHD 8 using an OAG

This video provides a few possible solutions to the back focus puzzle that you encounter should you want to implement the Celestron OAG on an Celestron EdgeHD 8" telescope and a ZWO cooled astronomy camera.
I will not cover how to setup your guide camera in the OAG. I'll leave that for another video.
How I solved my puzzle can also be seen in this sheet: docs.google.co...
F7:
OAG SCT adapter 25.3
OAG body 29
OAG male M48 12.5
ZWO filter drawer 21
ZWO spacer 11
Sensor depth. 6.5
Total 105.3mm (required 105mm)
F10:
Celestron T-adapter 50
OAG female M42 4.5
OAG body 29
OAG male M48 12.5
ZWO filter drawer 21
ZWO spacer 11
Sensor depth 6.5
Total 134.5mm (required 133.35mm)
If I got away with the small discrepancies will have to be seen. No clear nights yet over here...
In case you want to go with the nosepiece solution (the one I feared) than you'll need a 2" nosepiece which adds 1.7mm back focus distance and the Telescope Service SCT visual back which can be bought here (not affiliate): www.teleskop-e...
The safer bet is to use the Celestron #93644 T-adapter: www.ganymedes....
#asiairpro #asiairplus #zwo #optolong #ioptron #cem40 #celestron #edgehd #williamoptics #gt81
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Edited in #Shotcut www.shotcut.org/