EF & RF Lenses
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Resolved! Extender for EF 100-400 L lens on a R5 body

I have an R5 and an EF 100-400 L lens with a RF-EF converter and would like to try a 1.4x extender.  I assume I should get an EF 1.4 extender to mount between the converter and the lens rather than RF extender to mount to the camera and then the conv...

Lens warranty outside USA?

Hi,I live in Sweden, Europe. If I buy a Canon lens while in USA I know the warranty won’t be valid in Europe. But does anyone know if Canon USA would allow the lens to be serviced by Swedish Canon Service Center if there occur any problems with the l...

PerPule by Apprentice
  • 1463 Views
  • 3 replies
  • 0 likes

Resolved! chromatic aberration in my EOS 5D Mark IV with Tamron lens

Late last year I purchased a 5D Mark IV along with a Tamron 150-600 mm zoom . . . the new series. But my pictures aren't clear. I'm experiencing chromatic aberration as well as fuzziness around the subject when I am zoomed out to 600 mm. I have the c...

stone58 by Apprentice
  • 1941 Views
  • 10 replies
  • 0 likes

EF 35mm 1.4 Overexposing Images

I shoot on a 5D Mark 4 and my go-to 35mm has been randomly overexposing my images. While shooting in continuous studio lighting and not changing any setting, my images will suddenly start coming out extremely overexposed. I know it is the lens and no...

Screenshot 2023-08-17 at 12.41.12 AM.png Screenshot 2023-08-17 at 12.41.02 AM.png

Canon Macro EF 100 lens will not focus or search

I was using my macro lens and it was working fine, I switched to my wide angle for some shots and that worked fine. When I switched back to my macro lens it would not focus in AF mode or even try to focus search at all. All of my other lenses are wor...

EOS R5 Won't Work with Tamron SP 150-600mm Lens

R5 and TAMRON SP 150-600mm F/5-6.3 Di VC USD/Model A011EJust purchased an R5 and my tamron lens won't operate on the camera. At first it will show image on screen and evf and when I try and focus and take photo camera lock up. Lens is a early version...

S_S1001 by Apprentice
  • 1464 Views
  • 2 replies
  • 0 likes

searching for a good lens for EOS Rebel T3i

i just got a T3i and i am looking for lenses that will work well with the cameraI heard it works ok with EF lens but seeing I am an amateur I don't really know which one will be the best or the most suitable 

RF100mm F2.8L able to do MF with 1:2?

Hi all,I plan to use the above lens on an RP body for dental photography. On my older EF 100 macro, I was able to select MF with 1:2 (turning the lens to select this magnification) to keep my shots at the same distance and keep before/after a consist...

MLTDDS by Apprentice
  • 1515 Views
  • 7 replies
  • 0 likes

Resolved! RF 100-500mm Small Scratch on Front Element

I wonder how much Canon would charge for replacing the from lens element of my RF 100-500mm lens?I purchased the RF 100-500mm L lens in 2021, and just a day ago I realized that the from glass element has what it seems to be a small scratch.  I have n...

Resolved! F0.95 Lens For A Canon T4i?

Hello, everyone.  This is literally my first post on here.  I’m a veritable newbie, have a Canon T4i, am preparing to shoot a short film, and am wondering what the lowest f-stop I can get for a lens that would fit my Canon would be.I saw the film  “U...

CuriousPR by Contributor
  • 2726 Views
  • 13 replies
  • 0 likes

Canon 75-300m Lens not focusing

I recently bought a new lens, and it doesn’t seem to be focusing. The focus moves when I try to zoom in or out. When I use auto-focus, the lens focuses only when I’m zoomed out. When I'm zoomed in, it will only jitter back and forth.

Blake1 by Apprentice
  • 1970 Views
  • 12 replies
  • 0 likes
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