EF & RF Lenses
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Why do canon tele lenses have no focus range limiters?

Coming from the Sigma 150-600 EF used with an adapter on my R7 and then switching to the RF 200-800... I really understimated the importance of that feature. I can not count how many shots i missed because the AF rather focused on twigs and grass rig...

RF24-240mm F4-6.3 IS USM – Where’s the love

People talk about or question what is a good lens to go with…… or when I travel what lens should be in my bag. When you are looking for flexibility, range or an easy all day carry the RF24-240mm really doesn’t get the love it deserves. For travel and...

Canyon River 8368.jpg 8498_Raven.jpg 3697 Library Stairs BW.jpg Kennebunkport_II.jpg
March411 by Authority
  • 1272 Views
  • 13 replies
  • 17 likes

Resolved! RF-s 18-150mm control ring doesn't 'control' on EOS R7

I'm in the process of customizing my camera (EOS R7) for birding, and one suggestion I saw in a video  was to customize use the Customization>Customize Dials.  The suggestion was to use the Main Dial to Tv, Quick Control Dial to Av, and lens Control ...

jcinccma by Apprentice
  • 530 Views
  • 4 replies
  • 0 likes

Replacement for Tripod Collar EF 400mm f/4 DO IS USM

Hi everyone. I'v recently bought an used EF 400mm f/4 DO IS USM (V1) that's missing the tripod collar.Searched the entire internet and could't find the name/specs of the collar replacement or any info about it.How could I ask canon if they still have...

RF 24-105 f/4 L - Dust inside rear element?

Will canon actually clean dust/"things" inside the rear lens element that is absolutely affective image quality.Looking inside my lens i can see a white blob (almost like fibre) towards the outside and a further smear of maybe dust towards the centre...

R6 - 24-105-at-24 - f22.jpg R7 - 24-105-at-24 - f22.jpg
gnartS by Contributor
  • 813 Views
  • 11 replies
  • 0 likes

An idea for lenses with focus by wire

I realize that this is a community forum but I thought I would talk about the idea I had here first and see what others thought. The pain point is the RF 100-500mm lens.  The focus ring is close to the body.  It is not a light lens so I tend to hold ...

pedz by Rising Star
  • 1298 Views
  • 7 replies
  • 0 likes

Softness issue with Canon 100-400 F/4.5-5.6L IS II USM

I picked up the Canon 100-400 F/4.5-5.6L IS II USM recently and found that many of my images are now soft.I use this lens with the canon 90D body; and I upgraded from the sigma 100-400I shoot aviation, and on many occasions half of the plane is soft ...

Seanac by Contributor
  • 6143 Views
  • 13 replies
  • 0 likes

Resolved! EF 70-200 f/4L IS II USM: Turn off IS with tripod?

Hello, I am about to set of to take pictures of the Duomo in Monreale, Italy.  I use a tripod and have heard or read somewhere that one has to turn off the image stabilizing when using a tripod and focusing manually.  Is this indeed the case?  

hvulpus by Contributor
  • 1599 Views
  • 22 replies
  • 0 likes

EF 70-200 IS iii USM - partial blurred image

I purchased this lens used about a year ago and have been noticing that I have images that are blurred at the bottom when shooting horizontal. I first assumed it was my camera shutter as I have a 1DXii that had a fairly high shutter count; however, I...

kirtapp by Contributor
  • 694 Views
  • 10 replies
  • 0 likes

Resolved! RF24-240mm line down the photo

hello, I'm noticing a light line going down the right side of my frame on the photos.  using a canon r8 and canon 24-240. I know there is a strong vignette with this lens, but there seems to be no rhyme or reason for the line.  I've done with and wit...

picture with line.jpg
dandolak by Apprentice
  • 974 Views
  • 11 replies
  • 0 likes

R5C Canon EF lenses that don't work in video mode

To all R5C owners, can you please indicate which CANON EF lenses don't work in video mode, so that we can bring it to the attention of Canon engineers who work on firmware updates, as well as warn fellow users which lenses to stay away from in the ti...

B68D2A0F-E7CF-429D-8511-C5AB96E1EF69.jpeg screenshot copy.png
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