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New Contributor
Posts: 2
Registered: ‎12-24-2019
Accepted Solution

Canon Ra shutter activation using telescope

Took delivery of a Canon Ra plus the EF-S lens adapter for astrophotography use yesterday. Currently exploring features and testing. When using my EF-S lenses, camera works as expected. When attached to telescope via the standard EF-S ring, shutter is not activating. I feel like I am missing something obvious but can't figure it out. I set focus to manual and tried a few other setting changes. Still no pictures. What am I missing?

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Posts: 10,585
Registered: ‎08-13-2015

Re: Canon Ra shutter activation using telescope

Check the menus to see if there is setting that disables the camera from firing the shutter when there is no lens attached.  It may be in the Custom Funtions 5 menu, which is where it is on the EOS R.

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New Contributor
Posts: 2
Registered: ‎12-24-2019

Re: Canon Ra shutter activation using telescope

Found it, camera settings icon number 5 "release shutter without lens".

 

Thanks!

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