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Regarding the Canon R7... as far as brands are concerned, does Canon recommend SanDisk or Lexar or Sony (or another brand altogether)? Does it really even matter? Thanks!
What is the BEST way to perform an autofocus micro adjustment on my EOS 80D and 18-135mm nano USM lens? Should I do it myself using "FOCAL" or send them to Canon?
Regarding the * [AE Lock] button on camera... my 80D is set to back-button AF. When I press the * button, it sets the camera up for "lock-in" AE. Then, I press the back-button AF and it focuses and locks-in the exposure value, which is good. However,...
 It works most of the time when turned "on" and "off." But at times it doesn't. Is this normal or is it a defect?
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