EF & RF Lenses
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Why won't canon lens fully work in autofocus.?

Canon lens 28-105mm attached to 5dmarkiii body will not always work in auto focus mode. I think I can occasionally get it to work in alfocus but even in manual the lens occasionally won't register focused objects. Do I have a problem with the lens or...

Resolved! canon lenses

hi there!i need pro advise on comparing 2 lenses as follow:ef-s 10-18mm f.4.5 IS STM VS ef-s 10-22mm f3.5-4.5 USMsharpness of corners on 10-22outdoor clearance seems equal 10-18 has IS but much cheaper10-22 has metal mount and 10-18 plasticetc...but ...

mrz1342 by Enthusiast
  • 3167 Views
  • 3 replies
  • 0 likes

Lens suggestions for the 70D

Hey photo people! I'm looking into buying the Canon 70D but I can't decide on what lens to purchase with the camera or if I should stick with the lens that comes in the kit. This is my first "fancy" camera purchase so it's a little challenging for me...

sjp711 by Contributor
  • 5475 Views
  • 28 replies
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Why is there speckling on the underside of my lens glass?

My lens has developed speckling on the underside of the front glass; it resembles dust in pictures, especially when the aperture is narrowed, but is inside the lens and doesnt appear to shift. I've had it for only 3 years and always used a UV filter....

degradation.jpg comparison.jpg
pavlos by Apprentice
  • 3099 Views
  • 4 replies
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Resolved! EOS Lens Registration Tool

What is the EOS Lens Registration Tool? I suspect it was part of a recent upgrade to my Canon software.  When activated, it will not launch and said my XSi camera is not recognized.  The EOS Utility does recognize the camera. Is it for a full frame o...

BillinVA by Apprentice
  • 15815 Views
  • 3 replies
  • 0 likes

UV Filters, Polarized Filters

Does anyone have some good reference/reading material that you can share with me, I would like to experiement with filters. Ive googled some stuff but did not find strong material.  Any help on this would be greatly appreciated. 

juzan42 by Contributor
  • 5007 Views
  • 16 replies
  • 0 likes

push-pull

Hi. From what I see on other forums, the push-pull design of the 100-400L v1 is popular. I know I prefer it to twist zoom. If it is even possible, I wonder if there is any profit for Canon to fabricate a conversion kit  to be installed by a Canon ser...

j-p by Contributor
  • 4324 Views
  • 8 replies
  • 0 likes

Noticeable Louder sound during image stabilization

I have a 400mm L IS and today it started to make a much louder noise during the image stabelization. Is this a sign that it is not working porperly or in need of repair. Has anyone else experienced this before? ThanksSteve

new lens help: 50mm 1.8

Hi everyone, I just bought a used 50mm 1.8 from as I wanted to have low depth of field for music videos. I'm having trouble, though, in that the camera is CONSTANTLY refocusing when in movie mode, to the point that autofocus is basically useless. Is ...

Getting started

New to the community? Here's some information to help you get acquainted:

Announcements

08/09/2022: New firmware version 1.2.0 is available for CR-N 300
08/09/2022: New firmware version 1.2.0 is available for CR-N 500
07/28/2022: New firmware version 1.2.1 is available for EOS-R3
07/21/2022: New firmware version 1.6.0 is available for EOS-R5
07/21/2022: New firmware version 1.6.0 is available for EOS-R6
07/21/2022: New firmware version 1.1.0 is available for EOS-R7
07/21/2022: New firmware version 1.1.0 is available for EOS-R10
07/14/2022: New firmware version 1.0.1 is available for CR-X300
07/01/2022: New firmware version 1.3.0 is available for PowerShot PICK
06/30/2022: Service Notice: EOS 70D: Error 70 or Error 80
06/10/2022: Service Notice:UPDATE: Canon Inkjet Printer continuous reboot loop or powering down
06/07/2022: New firmware version 1.3.2 is available for PowerShot G7 X Mark III
06/07/2022: New firmware version 1.0.3 is available for EOS M50 Mark II
05/31/2022: Did someone SAY Badges?
05/26/2022: New firmware version 1.0.5.1 is available for EOS-C500 Mark II
05/26/2022: New firmware version 1.0.3.1 is available for EOS-C300 Mark III
05/10/2022: Keep your Canon gear in optimal condition with a Canon Maintenance Service
05/05/2022: We are excited to announce that we have refreshed the ranking scale within the community!
04/26/2022: New firmware version 1.0.1.1 is available for EOS R5 C
03/23/2022: New firmware version 1.0.3.1 is available for EOS-C70
02/09/2022: Share Your Photos is back!
02/07/2022: New firmware version 1.6.1 is available for EOS-1DX Mark III
01/19/2022: READY FOR ANYTHING EOS-R5 C
01/13/2022: Community Update. We will be retiring the legacy profile avatars on 01/20/2022. Click this link to read more.
01/05/2022: Welcome to CES 2022!
12/7/2021: New firmware version 1.3.0 is available for Mount Adapter EF-EOS R 0.71x