EF & RF Lenses
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RF 24-70 f2.8 vs 24-105 f4

Is there a difference in optical quality / sharpness between the Canon RF 24-70 f2.8 L IS USM lens and the RF 24-105 f4 L IS USM lens? Or is the difference between the two lenses only in the aperture range (i.e., f2.8 vs f4)?

bartonke by Contributor
  • 6236 Views
  • 3 replies
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EF 50mm f/1.4 USM Won't Auto Focus on EOS 6D

I have a canon 6d and all of a sudden I can't auto focus with my 50mm 1.4 lens. I borrowed another photographers 50mm and it also wouldn't auto focus. All of my other lenses work properly. Does anyone have any insight on this 

Dowdey9 by Apprentice
  • 2799 Views
  • 8 replies
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Resolved! What adapter do I need for my EF-M 18-150mm on an EOS M50

Bought  a new lens for my sons camera and didn't realize it needed an adapter,  Which one do I need to connect to a EOS M50 and the EF-M 18-150mm lens?  Thought this was the one but it's not.I clearly know very little about cameras. [Commercial link ...

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50mm STM Lens Focus Ring Won't Focus

Hi everyone!A few days ago I bought a brand new canon 50mm stm lens, which by the way takes beautiful pictures.I practice photography as a hobbie so Im by no means an expert on lenses and cameras but something has been bothering me since I bought it:...

Radiux by Apprentice
  • 6051 Views
  • 14 replies
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Lenses for Canon AE-1 on Modern Cameras

Old shutterbug wants to returnI used to be an avid photographer in the pre-digital age, using a Canon AE-1.  I have a couple of autofocus lenses, including a 300 telephoto lens, and am wondering if they would still be useable for the current line of ...

thatlem by Apprentice
  • 5093 Views
  • 17 replies
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DSLR portrait lens EOS 60D

Looking for some advice in lens buying for a canon DSLR!I'm looking at getting a portrait lens but I don't know much about finding one compatible with my camera and the canon site is quite hard to understand in terms of this. I'm also unsure whether ...

shabir23 by Apprentice
  • 1573 Views
  • 5 replies
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RF24-105mm F4 L IS USM Focal length ring tightness

The focal length ring on the RF 24-104 F4 seems tighter than the focal length ring on the RF 24-70 F2.8. Is that normal or are the focal length rings on Canon RF lenses supposed to be the same on all of the various Zoom lenses?  

bartonke by Contributor
  • 1022 Views
  • 2 replies
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Old Canon 35-350 Zoom Focus ring is VERY tight

SO I bought this lens used off of EBAY and the focus ring is very tight AF works well, Any videos out there for how to fix this? Or any other help?This lens is too old to send in for repairs to Canon and there is no one local to fix it.Thanks 

harpcat by Apprentice
  • 1756 Views
  • 7 replies
  • 0 likes

Manually Focusing Lens While AF is On

Rebel t6i kit Lens on auto, camera on av or tvI have a Rebel T6i.  Sometimes I would like to set camera on tv or av other than manual.  Quicker to use auto focus on the lens than to fiddle around manually focusing while my bear, dog, sheep-------- ru...

ndunbar by Apprentice
  • 4272 Views
  • 3 replies
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Ordered the RF 100-500 - Seeking Opinions

Got my R6 mark ii and was trying the 100-400 and my older sigma 150-600 but neither were clicking for me while birding. My sigma although great for the price kept focusing too slowly for the new camera and the low light performance on the 100-400 lef...

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