EF & RF Lenses
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Resolved! RF 28-70 F2 IS STM f-stop range question

All, Considering purchasing the above lens. Because there is not a range in F stops. The F2 is the F stop at 28mm as well as 70mm. Is that correct? Thank you in advance for your response. 

Visible Vignetting with RF100-500 + R5

  Hi allNoticing vignetting when viewing in equalize mode in almost all my photos. I’ve been using the same settings for 15 years with my aviation photography and I never saw this with my old 100-400 paired with the 70Dany input would be appreciated ...

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roush6ny by Apprentice
  • 2740 Views
  • 12 replies
  • 0 likes

RF 200-800 does not focus when starting at 800 mm

I am Using RF 200-800 with my Canon R5 Mark 2 . I was having plenty of Issues with Using AF -  However Most are resolved reading through guides & community reading. However , One Thing is Still Bugging :   When I start shooting Shutter Priority , and...

Chandan_k by Contributor
  • 4423 Views
  • 22 replies
  • 0 likes

EF 50mm 1.8 on DSLRs: Accurate AF without fine-tuning?

Is accurate AF possible with this lens? I am on my second copy. Second more accurate than first, but still not brilliant. I can't fine-tune the AF on my 5D Mk I. Other lenses focus well on this body, but none of the Canon 50mm lenses I've tried - the...

damatka5 by Apprentice
  • 2550 Views
  • 11 replies
  • 0 likes

RF-S Lenses on Full Frame EOS R Bodies

Has anyone used one of the new RF-S lenses on an EOS R series full frame body?  I'm wondering how the IS and Focus/Control ring functions are controlled with no switches on the lenses. Doesn't seem clear in the full frame body manual since it's a new...

Bbarn by Contributor
  • 24557 Views
  • 25 replies
  • 0 likes

Resolved! Canon RF 100-400 Autofocus problem

Hello,Does anybody have an issue with autofocusing in 400mm with this lens? When I extend the lens to 400mm and try to focus, the lens is not focusing. I have to retract the lens to 100mm and refocus. Only then autofocus works. It happens almost ever...

Len29 by Contributor
  • 14629 Views
  • 15 replies
  • 2 likes

Resolved! AE-1 lens compatibility with Rebel T7?

I apologize in advance for what may be a DUH question, but I honestly can't get a solid answer online to my question if my old AE-1 lenses will work with some sort of adapter with my Rebel T7. Will the Control Ring Mount Adapter EF-EOS R do the job, ...

Mounted RF100-500mm lens is not stable

I have an RF 100-500 lens that I use with an R5 mk2 (previously with a first gen R5). A couple of weeks ago I noticed that when I am holding the camera the lens actually moves after being mounted. I tried the lens on a different camera and it's loose...

Resolved! Play in Canon RF 100-500 Tripod collar

I’ve had a significant problem with slippage of the newly designed tripod collar. Specifically the RF 100-500 lens. (But also RF 70-200 2.8) i took the 100-500 into Canon repair. They had to replace the collar but when I picked it up I was told expec...

Gwenniedi by Apprentice
  • 13610 Views
  • 10 replies
  • 1 likes

Manual Focus with non-L RF lenses on R7??

I have been shooting on canon since I was quite literally 14 years old. It’s the only brand I’ve ever known and used. Some things I love, some things I absolutely despise.The removal of the MF/AF switch on the smaller non-L RF lenses for the control ...

denzil by Apprentice
  • 1541 Views
  • 2 replies
  • 0 likes
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