EF & RF Lenses
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Resolved! Rf 200-800 lens collar annoyances

The lens collar on my RF 200-800 has had a small amount of play in it since day 1. It does what it's supposed to do and does not rotate when tightened, but when you pick it up by the lens foot, you can feel the play. When the collar is loose and able...

Mphoto by Contributor
  • 1225 Views
  • 16 replies
  • 0 likes

RF 70-200 2.8 USM Z autofocus issues

I’m on a r5 mark ii. This is a second rf 70-200 z that had this issue. The autofocus is often jittery, unable to lock onto the subject. The af indicator square is also orange, instead of blue for servo. This is especially noticeable on mainly white o...

Focus Issue RF 100-300 f/2.8 USM

I've had the captioned lens for about 14 months now and it has worked great until about 2 months ago when a focus issue started when the lens is zoomed all the way out to 300mm or 420mm with the 1.4 TC.I purchased the lens brand new from a camera sho...

rgl47 by Contributor
  • 3545 Views
  • 9 replies
  • 0 likes

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
  • 1557 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
  • 631 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
  • 972 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
  • 1436 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
  • 6300 Views
  • 13 replies
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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
  • 1813 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
  • 786 Views
  • 10 replies
  • 0 likes
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