EF & RF Lenses
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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
  • 1094 Views
  • 20 replies
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RF800 F11 lens AF issues?

My son started getting into photography within the last year.  Mainly birds & some wildlife.  He currently owns an R7 with the RF100-400 lens.  We were looking at the RF800 F11 lens but I noticed some reviews weren't great because of AF randomly not ...

rj28 by Apprentice
  • 472 Views
  • 5 replies
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Question about EF Lens Compatibility on RF Mount

Hi All,Currently I’m using my 5d mark 4 and love it, I’m looking at taking the plunge and will be aiming to purchase a r3 in the upcoming months.I’m also in a little bit of a lens situation. The are some lenses I’m looking at upgrading in my kit, for...

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
  • 943 Views
  • 12 replies
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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...

Pancake lens for RF mount?

Nikon have released a proper pancake lens for their Z series cameras.https://www.wexphotovideo.com/globalassets/product-images/3084000/3084044.jpg?width=400 It's so small that it protrudes from the camera body less than the handgrip does. Apparently ...

Best Lens for Canon EOS 5D Mark III

Hi everyone! I was hoping to get your opinion on a good lens to get for my new camera. I recently upgraded and am loving shooting on my 50 mm 1.8 lens. However, I'm hoping to get another lens that is either a wide angle or just a normal frame that is...

Bradenkr by Contributor
  • 454 Views
  • 5 replies
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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
  • 889 Views
  • 11 replies
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New sigma lens

Received an email which included a review of a Sigma 60-600mm. I didn't look at the details as I'm up to my eyebrows in alligators today. Far from an expert but wouldn't the low end give more versatility for this lens?

Resolved! RF 100-400 f5.6 IS USM Pros and Cons

I'm interested in purchasing a refurbished lens. In particular the RF 100-400 f5.6 IS USM I like to shoot kids, portraits and landscaping. I’m not a professional photography. Any positive and negative on this lens? I just purchased a Canon R6 camera.

Dml13 by Apprentice
  • 424 Views
  • 5 replies
  • 0 likes
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