EF & RF Lenses
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Extender EF 2x III Compatibility

I have a M50 Mark II with the EF-M - EF-S adapter, so I'm fairly sure I can use the extender with my camera. My question is, is any EF/S lens compatible with the extender itself?The lens in question is the Canon EF 75-300mm f/4-5.6 III 

MikeG104 by Apprentice
  • 5983 Views
  • 8 replies
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RF 24-70mm MF issues

I am having an issue where RF 24-70mm will not allow me to focus in manual mode on a R5. The AF focus system works just fine but when I switch to MF (on lens) it won't allow me to rack. Switch to another lens (100mm) and no problem with MF and AF foc...

SatPhoto by Apprentice
  • 1106 Views
  • 3 replies
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DUAL LENS (360 FOOTAGE)

Hello everyone, I am an avid 360 video user that is super excited about Canon's new release of the dual lens. I was planning on renting the lens in a few weeks but wanted to know if anyone had some footage to share or know where there are video files...

Canon white/beige colored tele bodies....

Canon states they are colored this way to keep the flourite based elements from overheating in hot environments. So does this mean they perform better than Nikon, Sigma, et. al.? Or have the other vendors solved this "issue?" NASA even uses Nikon!!

bhill by Contributor
  • 1171 Views
  • 10 replies
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Lens won’t go on canon eos r6

I got a brand new canon eos r6 and lenses to go along with it but one of my lenses won’t go on while the other works fine. How can I get it on? It’s the canon zoom lens ef 75-300mm 1:4-5.6

Gia by Apprentice
  • 1840 Views
  • 2 replies
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24-105 f/4L focusing problem

I have a 24-105mm f/4L series I that is front focusing badly, but only at the wide angle end. Above about 50mm, focus seems accurate but at 24mm, what should be infinity instead gives me in the 3-5 meter range. It slowly gets better as I zoom out.I’v...

Resolved! EF 50mm f/1.4

For whatever reason my EF 50mm f/1.4 will no longer open wider than 2.8 or close more than f/8. I currently have the lens mounted on my 5d mk iv. The problem doesn’t replicate its self on my 7d mkii, or my 70d.Can anyone out there help me identify & ...

bluesjb1 by Contributor
  • 786 Views
  • 2 replies
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70-200mm f2,8 no AF with 5D mark iii

Recently purchased 5D iii my 70-200mm will not AF.  I've used the lens on Rebel T3i with no issues.  I have checked the settings on the lens and have tried both distances (i.e. 1.2  and 2.5). Since the lens works perfectly with the T3i right now it d...

rohokat by Apprentice
  • 918 Views
  • 5 replies
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Old lens usable on new camera?

Hello-I have an old film SLR camera (Canon EOS Elan 7E) with a handful of Canon EF lenses - got when my now college age child was born.  Rather than have the lenses collecting dust in my closet, I was considering getting a Canon DSLR body but I don't...

TRC3 by Apprentice
  • 6665 Views
  • 6 replies
  • 0 likes

Can scratched front lens elements be replaced by Canon?

Hello all,I'm one of those people who worries about accidently damaging my camera gear.  I just purchased an EOS R with the 24-105 L series lens and I was curious how easy it is to scratch?  Should I be worried about scratching the lens when replacin...

lens compatibility

Hi,My neighbor bought a Canon Rebel EOS T4i used camera. The only lens that came with the camera is a 500mm Ultimax.I've tried to take pictures with this lens and it won't focus. You can take a picture with it, but it's very blurry. No matter what I ...

Blurry images with 70-300 IS lens

Hi. New here. I've had a 70D for a couple of years now, and I will freely admit this is too much camera for me. It requires too much thinking and remembering on my end. That said, I can typically do fine with it. However, I've run into an issue that ...

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