EF & RF Lenses
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Older Lens on Newer Cameras

Hi Folks, I'm new to the Forum. I have some Canon lenses I used on my A1 and AE1 cameras. They were perfect. can they be used in newer Canon models? Appreciate for your help. Chuck Anderson

jagman by Apprentice
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Canon 24-70mm lens won't go down to 24mm

Hello everyone, I have a Canon 24-70mm lens first generation, that I hadn't used in almost a year. I went to use it this past weekend, and the lens got to about 35mm and did not want to down any further. I gently zoomed in and out and got it to open ...

felixp by Apprentice
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Lens Diffraction vs Image Quality

While recently attempting some panoramic photography, I was using f-numbers of f/11 to f/16 to increase the DOF. Later I wondered whether light diffraction was spoiling some of the image quality. My equipment was a 7DII and Canon 16-35 mm IS USM f/4 ...

RF adaptor

I'm looking at purchasing an R6 with an adaptor so I can continue to use my existing lenses. I am told that the Canon adaptor is only good for EF lenses, but I see on Amazon that the Viltrox adaptor is good for both EF and EF-S lenses. Any informatio...

Selling Canon 600mm lens

The time has come to sell my big lens due to physical limitations.  I am not here to sell it, but only to ask about selling it. It is not IS.  It is at least 20 years old, but is in good condition and works well.   I am the sole and only user, an ama...

mitchmcc by Enthusiast
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Canon lens 150-500mm

Any thoughts on this one? Noted free returns. TIA.[Removed 3rd party sale link.  Screenshot of destination included to facilitate discussion.] 

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Canon Lens Repair Question

I am in the process of sending a lens to Canon for repair and am wondering if I should or should not include the lens caps? I'm just not sure if they would get lost in the shuffle? Thanks.

wmcnab by Apprentice
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Canon 35-105 lens missing the AF/Man switch.

So I bought this lens and missed the part about it missing the AF switch in the ad. The ad did say when I went back and reread it that it works fine by moving the switch with a toothpick Question is how, aabsent sending it in for repair can I put the...

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