EF & RF Lenses
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70-200 F2.8 Blurry After Drop

Dropped my lens about a wk ago before my game (while attached to the camera) and since then my pics after 160-170m onwards have been blurry.I’ve tested some other lenses on the body and they don’t have the same issue at that distance. Any help would ...

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Cj7509 by Contributor
  • 3777 Views
  • 7 replies
  • 0 likes

Resolved! EF 24-70mm f/2.8L II USM Opinions

Now that a couple of years have passed, is there a consensus about the 24-70mm f/2.8 II lens? When it first came out, some people (including at least one in this forum) pronounced it as good as the 70-200 IS II. But the bottom end of the reviews on t...

Resolved! Camera will not autofocus when 200-400mm f4 is connected

Hi,I recently bought a used Canon 200-400 f4 lens and have used it for several hours of sports shooting with no problems. Last night while shooting it stopped being able to autofocus and none of the buttons on the camera would work. I tried switching...

jshfoto by Contributor
  • 4697 Views
  • 17 replies
  • 0 likes

Resolved! Using 100mm/2.8 USM on older EOS Body no AF

I just purchased a 100mm/2.8 USM Macro lens. Works perfectly on my 6D. It does not respond at all on my film EOS A2. I have three other EF lenses, 17-40 L, 28-135 IS and 70-300 IS. All of these other lenses work fine with my film EOS A2. Does anybody...

75-300mm Lens won't lock onto my EOS Rebel T3

I've had this camera and lense quite some time, and used it a lot.  After a long period of no use, I got it out to make sure everything still works good.  The camera and standard lens works well.  However, when I try to snap on the 75-300mm lens, it ...

Correct use of SA control on RF100mm Macro lens

When using the SA control ring should you place ring in middle position, focus and then take photo, or can you set to desired setting, then focus and take photo?I ask as it doesn't seem intuitive to focus when you are purposely softening the lens.Tha...

cbester by Apprentice
  • 10946 Views
  • 5 replies
  • 0 likes

EF 50mm f/1.4 or RF 50mm f/1.8 for R6 II?

I just received my R6 Mark II yesterday, and after the hour or so I was able to get out and shoot with it last night, I am in love. I have the EF adapter since I currently own all EF glass (16-35 f/4, 24-105 f/4, 70-200 f/2.8, Sigma 24 f/1.4) and I'm...

bosch91 by Apprentice
  • 3783 Views
  • 1 replies
  • 0 likes

Canon RF 100mm focus hunting

I have just picked up the Canon RF 100mm Macro lens to go with my Canon R6 MKII. I've had fantastic results so far with the 100-500mm so wanted to add to my kit.I set up a little practice with a quil pen and found that the RF 100 refused to recognise...

SarahM1 by Apprentice
  • 2668 Views
  • 3 replies
  • 0 likes

EF-S 18-55mm Firmware Update

I have a Canon EOS REBEL T4I that I took out of storage to use and I noticed that the firmware for the camera needed to be update.  Everything went well with the update.  In the menu screen of the camera it says my lens is Ver  1.0.0.  My lens is a C...

Resolved! Maintenance for lens EF 70-300mm f/4-5.6 IS II USM

Next month I will be upgrading my EF 70-300mm f/4-5.6 IS II USM lens to the Canon EF 100-400mm f/4.5-5.6L IS II USM Lens, I would like to have routine maintenance done on the old lens, cleaning and so on. I have never sent a lens in and was wondering...

Rf70 200 f2.8 stabilization issue

Is image stabilization option is gray out in the camera settings just with this lens i tried r3 and r6 and both has the same problem pictures came out blurry in hand held with slow shutter. Look like a stabilization issue 

Remon550 by Apprentice
  • 802 Views
  • 1 replies
  • 0 likes

50mm lens no longer focuses

Does focusing a lens in AF break a lens?  I don't think I've ever done this but it crosses my mind in case someone else using my camera has by accident...Is there something about a 50mm lens that is more prone to breakage?  I've had 2 in several year...

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