EF & RF Lenses
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RF 70-200mm 2.8 intermediate focal length change issue

Just found I can not specifically turn it/stop at specifically 85mm focal length.The LCD shows focal length change not linear while I slowly turn the focal ring.Example: 70 -> 75 -> 78 -> 81 -> 83 -> 84 -> 86I have tried my another RF 24-70mm. It wor...

gatens by Apprentice
  • 494 Views
  • 3 replies
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STM vs USM L glass difference

Please can we talk about how huge the actual difference between STM vs L USM lenses is... I am looking at 50 mm RF lenses and the $2000 price difference is killing me. I understand that different AF systems, sound vs no sound for videos. I am NOT a s...

EK25 by Contributor
  • 2981 Views
  • 24 replies
  • 0 likes

Fungus on my lenses

Hi, Long time Canon Pro but first time having to deal with fungus growth on my lenses. I recently bought a B&B in Costa Rica and so I am part time in Costa Rica and the States. I have a dry room where I have kept my lenses (inside a Pelican Case) whi...

An idea for lenses with focus by wire

I realize that this is a community forum but I thought I would talk about the idea I had here first and see what others thought. The pain point is the RF 100-500mm lens.  The focus ring is close to the body.  It is not a light lens so I tend to hold ...

pedz by Enthusiast
  • 624 Views
  • 2 replies
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RF 100-500mm image issues

Hi all, I recently bought a 100 to 500mm for my R3, been loving it 90% of the time. Just recently, I noticed these lines appearing within the images. Inside the Red boxes. It also appears in video mode. They don't appear to show up from any other len...

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Nick117 by Apprentice
  • 589 Views
  • 4 replies
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Resolved! Pancakes and street photgraphy

Hi folks My wife asked out of interest, if I'd stopped doing street photography which I used to do quite a lot with my Canon SX620 HS. This little camera was always in my pocket and very easy to do some sneaky shots with ( Not sure about the ethics o...

Ramsden by Rising Star
  • 1070 Views
  • 5 replies
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Resolved! 24-105mm lens: Sand under the focus ring

Hey all, my friend gave me a 24-105mm AF and it seems to have sand under the focus ring. I believe her dad took the lens to Africa on a safari haha. Anyways, the auto focus is smooth, though manual focus is a bit affected. How much do you think it wo...

hamil by Apprentice
  • 1001 Views
  • 2 replies
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Resolved! ARE YOU KIDDING? - Lens availability

I can't believe you're still in business! It's 2024 and you STILL have no lenses for your mirrorless AFFORDABLE cameras! WHY ARE YOU EVEN MAKING cameras like the R50, R100, R10, R7???? Are you stupid? 

Will we ever see a 22mm f/2.0 for RF?

The EF-M 22mm f/2 was one of my favorite lenses on EF-M. It was equivalently almost exactly a 35mm focal length which is classically the ideal focal length for street photography. Together with its bright maximum aperture, Canon gave Fujifilm cameras...

Softness issue with Canon 100-400 F/4.5-5.6L IS II USM

I picked up the Canon 100-400 F/4.5-5.6L IS II USM recently and found that many of my images are now soft.I use this lens with the canon 90D body; and I upgraded from the sigma 100-400I shoot aviation, and on many occasions half of the plane is soft ...

Seanac by Contributor
  • 3512 Views
  • 12 replies
  • 0 likes

EF 85mm f1.2L How to replace rear cover

As a general rule, I advise most folks to not try camera/lens repair themselves. However, if you are in the business you have occasion to make quickie repairs to keep the wheel rolling along so I have done some in my career.Anyway one that most could...

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ebiggs1 by Legend
  • 3670 Views
  • 5 replies
  • 5 likes

Resolved! RF 24-240mm F4-6.3 IS USM How to use manual focus

I have just bought this lens for use on my EOS R6 mk 2 and very pleased with results. However it does not seem to have a manual focus option. Am I missing something in the camera settings to use the control ring as a manuel focus or is it not possibl...

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