EF & RF Lenses
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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
  • 16 replies


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
  • 8 replies

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 ...

Dropped 70-200 f/4L is lens

Hi, I dropped my lens from half open bag into trunk of the car,there is no physical exterior damage, it will focus but makes a cluncking sound and picture through view finder jumps up before focusing, photos still coming out clear and sharp,not sure ...

stefos by Apprentice
  • 7 replies

Sigma lenses

Team, I recently purchased a Sigma 17-70mm F2.8-4 DC Macro and would like to hear from you guys abotu other lenses out there that are excpetional as well.  So far i have nothing but good reviews for this lens.  Im new to the Sigma brand.  thanks, 

juzan42 by Contributor
  • 2 replies

Tilt Shift 90mm Sharpness

Hi there, please can I get your help.I have the Tilt Shift 90mm which I use for Product and Still Life photography in a studio. I love the sharpness and clarity of the lens, and so far I haven't really used the tilt function that often.A few weeks ba...

dcooper by Contributor
  • 8 replies

Resolved! Which Lens Next?

Hello Everyone… I have 2 Canon Cameras EOS 40 D & EOS 7DCurrently have the following lensesCanon EF 28-135mm IS USM (2)Canon EF 70-300mm IS USMCanon EF 100mm IS USM L Series MacroCanon EFS 18-55mm (El Cheapo) I am in the market for a wider angle fixe...

Canon 400mm f4 DO mk2

The original shipment from Canon came just pre Christmas...don't seem to be getting any more through, anyone know when they might be more available? thanks, George

KingEyre by Enthusiast
  • 1 replies

question about portrait lens and quality

So, I am full time active duty in the Navy and photography is currently side money. I am going to be getting out and going to school while pursuing photography as a career.  That being said I am one who believes if you need the best buy it from the b...

50mm 1.8 II Operation Limits

Camera: T4i Lens: 50mm 1.8 II Problem: The lens stopped working completely during a low lit, concert shoot. The lens works in every mode and function except for Manual and Aperture Priority. The message on the screen says, "Err 01 Communication betwe...

Getting started

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

01/18/2023: New firmware version 1.1.1 is available for EOS R6 Mark II
01/09/2023: Help ensure your autofocus is properly aligned with a Canon Precision Alignment
01/03/2023: Welcome to CES 2023!
12/08/2022: New firmware version is available for EOS C70
12/07/2022: New firmware version 1.7.0 is available for EOS R5
12/07/2022: New firmware version 1.7.0 is available for EOS R6
11/22/2022: New firmware available for EOS R3, EOS R7 and EOS R10
11/16/2022: We're thrilled to be ranked among the Best Employers for Veterans in 2022 by Forbes.
08/31/2022: New firmware version 1.1.1 is available for RF 70-200mm L IS USM
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
07/14/2022: New firmware version 1.0.1 is available for CR-X300
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
05/31/2022: Did someone SAY Badges?
05/26/2022: New firmware version is available for EOS-C500 Mark II
05/26/2022: New firmware version 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 is available for EOS R5 C
03/23/2022: New firmware version 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
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