EF & RF Lenses
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Resolved! Lenses

What is the difference between EF and EF-S lenses if both have the same specs. 

yaa124 by Apprentice
  • 4 replies

70-200 f/2.8L II + 5DSR AF consistency problem

Folks, need an advice...My 70-200 isn't focusing consistently @ 200mm (I mostly shoot at this focal length, don't care much about the wide end). Tried several times to AFMA with FoCal - the software returns "poor fit" because the results are so incon...

docusync by Enthusiast
  • 12 replies

Resolved! EF-S 15-18mm Focusing Ring not working on Manual Mode

Hi, I just acquired my unit and sadly, I bumped the front of the 18-55mm lens to my desk.. It's not that hard so I didn't mind it much but when I tested to use my camera which is Canon 800d the manual focus wasn't working anymore... I tried steering ...

Bad Coma? Or Focus issue?

Hello all/ anybody who can help! I'm having a problem with my 70-200 F2.8L IS II. I've rented and used many copies of this lens over the years and have never had an issue with it. Granted, the people over at Lens Rentals always tests and recalibrates...

Bad Coma Issues.
Chip_Orm by Contributor
  • 20 replies

camera - adapter - lens connection order ??

My zoom is coming in the mail tomorrow.  I will be using it with my EOS M100 and an adapter.What is recommended: 1) adapter on camera and the add lens or2) adapter on lens and then camera. (1) seems to put the most torque on the camera (adapter the l...

Resolved! Is Canon EF 75-300mm f/4-5.6 III too heavy for the EOS M100 ?

I am thinking of buying this inexpensive used zoom lens and use with my adapter.There is no tripod mount on this lens. Is the lens to heavy for me to use the camera tripod mount ? Has anyone tried any of the EF Zooms on an M100 ? rapid feedback appre...

Lense hood for 18mm-55mm not fitting right

I am an extreme newby to "real" cameras.  I'm stepping up from a point and shoot and recently purchased a Canon EOS T6 Rebel kit with the 18/55mm and the 75/300mm lenses.  I went to my local camera shop trying to find a lense hood for it, but I could...

AllenP by Contributor
  • 8 replies

Filter Storage

I recently purchased some Hoya filters and they came with a storage bag, but the lenses themselves came stored in plastic bags.  My wife's filters for her old camera came in really nice storage cases for each lense.  Can you buy after-market cases li...

AllenP by Contributor
  • 4 replies

Wide Angle - Discussion / Advice (for canon efs 10-18mm lens)

Hi all,  I have a canon t5i. I purchased the canon EFS 10-18mm wide angle lens and have been very pleased with it. I am however looking for an even wider angle. I understand this camera not being full frame will limit the field of view. So I am looki...

Mike41 by Apprentice
  • 10 replies

$650 for Canon EF 35mm f1.4 L . Is it a good deal?

I found this deal locally and will be able to test before purchase. Is $650  a good deal for this lens? There is a website online saying you can check when Canon lens was manufacture base on serial number/date code. Is it accurate or it's just a myth...

35mm 1.4 Lens focus issue

Hi everyone,So the focus ring on my 35mm 1.4 lens works, but it doesn't go all the way to one of the sides. It goes to the end on the left, but when turning it to the right, it stops just after 0.5m and it won't go all the way to "infinity". It doesn...

Image stabilizer mode

Hi Guys--I just purchased a Canon EF 100-400 f/4.5-5.6L IS II USM, I am planning to use this len for shooting an air show this weekend.  I am a little confussed these image stabililzer mode to use for ground to air shots of jets and old war brids pro...

airman by Apprentice
  • 3 replies

When to turn off Lens IS for sports shooting?

1DXII, EF-70-200 f/2.8/L IS USM II  When I shoot night football games I use the same camera for full action shots and also the candid moments.  I flip between "Custom" modes for the action shots and candid shots so that on the latter, I have less noi...

28-300 Zoom

I am considering upgrading my current lens which is an 18 to 200 zoom to a 28-300 zoom...  BUT would like some opinions on how much of an impact the camera itself has on the lens...  I have a Canon 70D.  The question is wil I get enough impact from t...

Getting started

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

03/14/2023: New firmware version 1.8.1 is available for EOS R6

03/02/2023: New Firmware Updates Are Available:

EOS R7 - Version 1.3.0EOS R10 - Version 1.3.0
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
11/22/2022: 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
01/13/2022: Community Update. We will be retiring the legacy profile avatars on 01/20/2022. Click this link to read more.