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


Resolved! Noob going on Safari

Hello,      My wife bought me a T7I kit for Christmas to use on our Safari next summer. It came with some very nice close range lenses, the telephoto lens however is an older EF 75-300MM. After a lot of testing with the 75-300 I fear it just does not...

JAGWIRE by Apprentice
  • 13 replies

50mm f1. 2 or 85mm f1. 2

If the price is not a consideration and I do not currently own a fixed lens other than the 100mm Macro, and my objective is to experiment with an f1.2 which should I purchase, 50mm or 85mmI currently have:Canon 5DSrCanon 7DCanon EF 24-70mm f/2.8L II ...

Getting a new lens.!!

I bought my camera (200D) around a year ago and have been using the kit lens with it ever since, which has served me fine for a while. However I'd like to buy a lens with a lower f-stop so I can get bigger bokeh blurs in the backgrounds of my shots, ...

RF 50mm/F1.2 teardown at lensrentals

https://www.lensrentals.com/blog/2018/12/disassembly-of-the-canon-rf-50mm-f1-2l/ Very different from the EF lenses they have taken apart. (If the link gets excised, google "lensrentals disassembly canon rf 50mm"

High speed indoor shooting

I shoot a lot of indoor gymanstics.  I have the 135 2.0 lens but still battle with blur.  Is the 85mm 1.2 an appropriate lens or is it best left for portrait work.  I've read a fair amount about it and seen some conflicting info.

Resolved! Do extension tubes work with a macro lens

Hello: Do extension tubes help a macro lens gain further magnification or do they only help non macro lenses?I have a 100mm macro lens and love it, but am curious to know if extension tubes would help it.Thank you. 

ilzho by Rising Star
  • 14 replies

Help with a 100-400 mm IS II lens

Hi, I am finding that my lens after full zoom does not and cannot return to the resting position (100mm). It stops with about 1 inch of the barrel still sticking out. This happened when I had it connected to a Canon 6D mark II camera. Would anybody b...

complete sharp picture with F/1.4

I have purchased price lense EF 50 F/1.4 for night photography. I wan tto take complete sharp picture of night sky or landscape keeping F 1.4 or 1.8. Where should i focus.

400mm F/2.8 teardown at Lens rentals

Since the last link did *not* get excised:https://www.lensrentals.com/blog/2018/12/the-great-400mm-f2-8-teardown-competition-part-1-the-canon-400mm-f2-8-l-is-iii/ It uses the same focus motor as the R-Series 50mm / 1.2!

Can't get sharp shot with EF 100-400mm f/4.5-5.6L IS II

Hi everyone, I'm hoping to get some advice on why I cannot get any sharp shots with the above lens. I have tried everything i can think of to improve my chances including spending a lot of time trying to improve my technique while using it handheld, ...

IMG_2689 (1).jpg
jgro002 by Contributor
  • 22 replies

Resolved! EF 24-105mm Lens Slip

Hi, In April 2013 I purchased a Canon 6D with the EF 24-105mm L IS USM Lens. Today I was shooting looking directly down and noticed the lens zooms in while in the down positon. This was rather frustrating as I had to keep zooming out to readjust the ...

csimons by Apprentice
  • 8 replies
Getting started

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

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

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!
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.