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


1.4 x teleconverter decision

I have 5D III with 500 f4.  I tried out for days in the field first without teleconter then with my Tamron 1.4x.  I did not notice any effect on autofocus. Effect on image quality is harder to assess. So my question is: 1). Anybody with experience be...

madencbm by Contributor
  • 9 replies

Need help choosing lenses for 7D Mark II

Hello: I am purchasing a 7D Mark II and am looking for advice on some lens. I primarily take pictures of horses/wildlife/action sports. I want to have a good lens for portraits and a good one for wildlife/sports. I don't want to have 5 different lens...

ilzho by Rising Star
  • 47 replies

image stabilization 500mm f4 IS II

How do I tell if IS is working on my 500mm f4 IS II.  I cannot hear any sound from the lens when IS is turned on.  I have tried using live view while hand holding to see if image stabilizes shaking but nothing happens. Thanks in advance.

madencbm by Contributor
  • 13 replies

Resolved! Need advice on protective filter and lens hood

I am looking into purchasing a UV filter to protect my 18-135mm IS USM lens. Is the B+W 67mm UV Haze MRC 010M Filter a good filter to use if I would like to keep the filter on all of the time? Would a standard lens cap fit on top of this? Is the Cano...

shorty1 by Contributor
  • 20 replies

Focal lengh to capture the moon

Hi,I need to photograph the moon in a way that occupies most of my 35mm FF frame without crop. Or bigger than the frame. I need a clear full moon with craters (no problem).The image will be in portrait mode.My test using a Canon EF 100mm macro L lens...

Cunha by Rising Star
  • 48 replies

Resolved! 2.0x Extender vs. New Telephoto Lens Comparison

I currently own the EF 70-200 f/2.8L IS II USM lens and am considering purchasing the EF 100-400 f/4.5-5.6L IS USM lens for an upcoming African safari trip.  Curious to opinions on whether I would be better off buying the EF 2.0X III extender and usi...

celson by Contributor
  • 28 replies

Resolved! Lens changing Live View's aperture in Manual mode

I just purchased a used 135L and have noticed on 2 different occasions that the aperature will start auto-adjusting in Live View as I increase or decrease exposure. The camera still says aperture is at 2.0 and it still renders the picture wide-open.....

Resolved! Need advice on lenses

I am planning on purchasing a Canon 80D with the 18-135mm IS USM lens. If I would like to take pictures of some sports (e.g. baseball), do I need the 55-250mm IS STM lens? I currently own a Canon 100-300mm F/4.5-5.6 ultrasonic lens, but it does not h...

shorty1 by Contributor
  • 7 replies

Canon Rebel T3i better lens for focusing entire shot?

I have the lens that came with my T3i and while I can take some pretty nice pictures with it, I'm looking to purchase a lens where I can focus the shot in its entirety instead of just a single part of it with the background blurred. Obviously the mor...

Resolved! Photography from a flight

Which is the best way to click photographs of a city/coastline/monuments from a flight.What would be better1) One shot or zone or all the AF points2) What aperture3) What shutter speed4) Which lens. Prime vs tele zoom

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
01/13/2022: Community Update. We will be retiring the legacy profile avatars on 01/20/2022. Click this link to read more.