EF & RF Lenses
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Resolved! RF 100mm f2.8L Macro IS USM SA control ring not working

Last week I used the SA control ring on the macro lens for the first time. (in combination with an R6). I found the effect interesting. Today I wanted to continue practicing with this effect. Now the SA control ring suddenly stops working. The effect...

MarjonM by Contributor
  • 3514 Views
  • 15 replies
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Cleaning ef 50mm 1.4 USM front element.

My copy of this lens had fungus behind the front element. I have taken other lenses apart previously and have the tools to do so, but I can only find examples of people tearing this lens apart to fix the common focusing issue. Is it possible to remov...

perry5 by Apprentice
  • 1842 Views
  • 2 replies
  • 0 likes

EF-S 55-250mm f/4-5.6 IS Lens’s ring broken

  I have an EF-S lens, 55-250mm using it with canon 700d. So there’s this ring where we put the cap to cover the lens, that’s broken. I would like to know if I can get it replaced and what can be the cost. If not replaceable what’s the best I can do....

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fayaz by Apprentice
  • 3854 Views
  • 8 replies
  • 0 likes

Are Canon lenses compatible with other EF mount cameras?

I'm looking to buy my first pro camera but don't have the budget for a new lens. I have an amazing EF mount lens for my eos rebel t2i. I'm thinking of getting a black magic pocket but since the lens has a digitally controlled aperture I'm worried tha...

jimbe0 by Apprentice
  • 3800 Views
  • 12 replies
  • 0 likes

Lens Search for Wildlife Photography

Hello everyone,I am getting into wildlife photography and I want to invest in a good lens. I currently shoot with a Canon R6 + 70-200 2.8 lens but for capturing wildlife I need a little extra reach. I am looking for something under $5k and it can eit...

emsher by Apprentice
  • 3809 Views
  • 17 replies
  • 0 likes

Zoom Lens to Replace Kit Lens?

Alright: Firstly, please keep in mind that I have a grandson in college, a mortgage, a car payment and a spouse who has grown accustomed to eating regularly. Now: I recently purchased an SL-2 with the 18-55mm and the 70-300mm kit lenses. It didn't ta...

Hedgehog1 by Contributor
  • 4924 Views
  • 20 replies
  • 0 likes

RF600mm F4 L IS USM Aperture Blades Visible

Hi there. I just received my new RF 600mm F4 lens from Canon shop and I wonder if the aperture blades should be visible when lens is off camera? Is that normal? I own array of Canon lenses in EF mount including 800mm prime and none of them have apert...

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Resolved! Lens Magnification Question

Hello, I'm choosing between RF 100-400 and RF 100-500 L lenses. I am somewhat confused about something.If I set both lenses to 400mm and take a photograph of a bird say at the same distance, the size of the bird on the final image files should be the...

MilesP by Contributor
  • 6069 Views
  • 12 replies
  • 0 likes

Diffractive Optics in Canon Lenses

Can anyone point me to a clear explanation of how Diffractive Optics work in Canon lenses? I thought I understood the principle of diffraction (from school experiments involving a surface of water, a wave machine and a diffraction grid). The Wikipedi...

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