"Set lens (800mm) to shooting position"

Started 4 weeks ago | Discussions thread
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carltj Regular Member • Posts: 126
"Set lens (800mm) to shooting position"

Trying to test out a friend's RF 800mm lens(who has an R5 on order) on my R.  Repeatedly get "Set lens to shooting position" message.  I attach with camera off.  I unlock lens.  No joy.  Cannot use.  Clearly I'm missing something.  Suggestions?

 carltj's gear list:carltj's gear list
Canon EOS 5D Mark IV Canon EOS R5 Canon EF 70-200mm f/2.8L IS USM Canon EF 100mm F2.8L Macro IS USM Tamron AF 28-75mm F/2.8 XR Di LD Aspherical (IF) +4 more
Canon EOS R5
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