EF & RF Lenses
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Confirm extender compatibility with the new RF70-200 2.8L Z

I’m seeing some conflicting compatibility info between the RF2x extender and the specs for the RF70-200 2.8L Z lens on the Canon site. On the product page of the lens it states “Compatible with Extenders RF1.4X and RF2.0X”, but on the extender page i...

Pgallett by Apprentice
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  • 4 replies
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Resolved! EF 18-55mm Rubber Focus Ring is very sticky to the touch.

I have a EOS Rebel T5i I bought a Costco about 12 years ago. I have not used it for about 2 years and during that time it was stored in the Canon camera bag. I got it out yesterday and found that the knurled focus ring has become very sticky to the t...

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How to disassemble a EF 35-75 f3.5-4.5 ?

Hi,I'm trying to repair a Canon EF 35-75 1 : f3.5-4.5. It has a broken focus mechanism. I have looked on Youtube and cant find a video that shows a full disassembly. I have it partially disassembled it but I can figure out the steps to get the remain...

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Canon RF 100-500mm Zoom ring malfunction

Hello Canon family, I recently purchased brand new canon RF 100-500mm lens and in a month, zoom ring malfunctioned.Zoom ring (to set the focal length of the lens) is stuck at 100mm and unable to rotate or do anything.Have you ever encountered such is...

Astrophotography lens recommendations for EOS R8

Hello everyone, I just purchased a Canon EOS R8 and now I’m looking into purchasing my lens. I am a beginner into photography but I really want to focus on astrophotography. What lens would you recommend? I currently have these two in mind but I want...

EF 80-200mm f/2.8 L filter ring replacement

I just recently purchased the 80-200 f/2.8 L "magic drainpipe". Love it so far, the only problem is the filter ring has a dent in it and it's really hard to get filters on, sometimes even a lens cap seems to get stuck. Does anyone know the specific p...

aconelly by Apprentice
  • 1219 Views
  • 2 replies
  • 0 likes

Sigma lens won't fit on EOS Rebel T6i

Hello my name is Taylor Carr. I own a canon EOS Rebel T6i. I have a SIGMA DM 70-300 mm 1:4-5.6 lens that won’t fit on my camera. I am wanting to use the lens on the camera. What attachment or adapter do I need in order for the lens to work properly o...

EF-M 11-22mm f/4-5.6 IS STM not working

I have an EOS M6 and the EF-M 11-22mm is not working on it. The camera shows a blinking green light and the screen has no image. When I put my 50mm lens on the camera it works just fine. Any ideas or suggestions?

MrToon by Contributor
  • 6950 Views
  • 10 replies
  • 1 likes

Resolved! Focus adjusting R6 Mark II with Sigma lens

Hello, so i bought my r6 mark ii and i bought a sigma lens the 24-70 art.And the focus is just missing,it is giving me pictures like shooting on a slow shutter while shooting on a >1/1000 shutter speed and wanted to ask can i calibrate it from home o...

Milan1 by Apprentice
  • 4444 Views
  • 9 replies
  • 0 likes
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