EF & RF Lenses
Showing results for 
Show  only  | Search instead for 
Did you mean: 


EF 85mm f/1.8 USM Lens not taking photos

I recently bought a Canon EOS M Mount Adaptor for my Canon EOS M50 Mark ll camera to use ES/EF lenses and I bought a Canon EF 85mmf/1.8 USM Medium Telephoto lens but it won't take pictures only videos. Is this a bad lens? I have other lenses I've use...

EF 50mm f/1.8 STM Compatibility with Canon rebel t7/R7

The canon r7 says that it is compatible with lenses from the past present and future. I have a canon rebel t7 right now with a Canon EF lens 50mm 1:1.8 STM and I'm thinking about upgrading to the r7. Would this 50mm EF lens work on the r7 without any...

RF-S Lenses on Full Frame EOS R Bodies

Has anyone used one of the new RF-S lenses on an EOS R series full frame body?  I'm wondering how the IS and Focus/Control ring functions are controlled with no switches on the lenses. Doesn't seem clear in the full frame body manual since it's a new...

Bbarn by Contributor
  • 18 replies

Canon zoom EF lens 70-200mm won't lock on to my 1100d

Hello. I have recently found my old EF 70-200MM lens and I was quite happy about it. But when i tried to mount it on, it didnt lock in. It only twisted for 5mm. The second pic shows how its in, the first shows how it should be (just inside the mount)...

16588293568028382032752568056870.jpg 16588292398568330380617724653494.jpg
Lenkian by Contributor
  • 11 replies

Resolved! Focusing to infinity on canon rebel t7's kit lens

Hello folksI recently got a canon rebel t7 and I'm trying to do some astrophotography with the kit lens. I noticed that when I move the focus ring all the way to the left, the camera seems to be focusing on far away things. Is this the right way to f...

Sigma 150-600 lens

I haven't used it as much as I anticipated with miserable hot weather down here. Outdoor activities are very limited. Yesterday, I did have a chance to use it to shoot some photos of an eagle nesting platform off the TN Hwy 60 bridge over the Hiwasse...

RF 100 Macro Causes Camera Shaking

The whole camera starts shaking for a very long time sometimes when using the RF 100 Macro.  No other lens does this.  I have to turn it of to get it to stop.  Sometimes switching to manual mode will get it to stop, sometimes not.  The body is an EOS...

ddcamman by Apprentice
  • 4 replies

R5 w/ RF24-70 f2.8 has IBIS wobble @ 24mm?

Hello,I have read that the rf15-35mm has ibis wobble when zoomed out. I don't have that lens, but I got the RF24-70 and it seems it also suffers from ibis wobble at 24mm. Is this normal?  

kwanfs by Contributor
  • 12 replies
Getting started

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


03/30/2023: New firmware updates are available.

EOS R3 - Version 1.4.0

EOS R5 - Version 1.8.1

EOS 1DX Mark III- Version 1.7.1

Speedlite EL-1 - Version 1.0.2

03/30/2023: Product Advisory for EF50 F1.2 L USM

03/30/2023: Product Advisory for EOS R10

03/28/2023: New firmware version is available for EOS-R5 C
03/14/2023: New firmware version 1.8.1 is available for EOS R6
02/24/2023: We've updated Share Your Photos

2/07/2023: New product announcements!

EOS R8 EOS R50RF-S55-210mm F5-7.1 IS STMRF24-50mm F4.5-6.3 IS STMRF15-30mm F4.5-6.3 IS STM
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
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!
03/23/2022: New firmware version is available for EOS-C70
02/09/2022: Share Your Photos is back!
01/13/2022: Community Update. We will be retiring the legacy profile avatars on 01/20/2022. Click this link to read more.