Canon EF and RF Lenses Forum

Have You Used the Canon EF 75-300mm f/4-5.6 III Zoom Lens?

I keep reading that this is one of the worst Canon lenses. How many people here have actually used one of these lenses to make that determination? I am looking for a zoom for my Rebel and Elan film cameras.

EF 100-400mm Blurry action photos

Hi guys, I am facing the following problem with my 100-400 is ii. While in still photography the photos are almost perfect and sharp in action shots and especially when photographing flying birds 99% of photos are blur. I have been using this lens fo...

EF 24-105mm f/4L Soft and Hazy

I have the above lens that is very soft and hazy - but i cannot see any dust or mold. I think i want to try to tear it down and see if i can do anything with it. Like this guy is doing here: https://www.youtube.com/watch?v=bdShwMk-LDcBut he says tha...

Resolved! Focus rings have sticky degrading rubber across multiple lenses

I have EF lenses some that were included in my kits and another the 70-300 that I purchased separately. I have noticed that the rubber outer covering of the focus rings only not the rubber on the body of the lenses, have deteriorated becoming sticky ...

Resolved! Registration doesn't recognize RF lens

it wont let me register an RF lens. Doesnt recognize.

EF 100-400 II Image stabilization causing blurry pics of flying hawks?

I love this lens but having a problem with flying hawks. I got more sharp images with my old 400 5.6 with no IS. Generally I keep it in the 3rd position. I'm wondering if I should turn it off when my shutter speed is high. ..

EF 70-200mm f/2.8L IS III USM on a R5, R6 and a 5DM3 lost the ability to focus.

I was getting a err1 code on my R5 when I was using my EF 70-200mm f/2.8L IS III USM lens and cleaned the contacts with an eraser and a cloth now the lens will not focus, I borrowed a version 2 of same lens but that will not focus on any of the camer...

Broken lens needs fixing

Hi there, I have a Canon eos 70D and the glass lens is broken. Can I get it fixed? Around how much will it cost?

Next Lens Options for Canon R5 (EF or RF): portraiture and bird photography

Hi all! This is my first time posting so please let me know if I've done something wrong. I am student photographer and a Canon R5 and R6 owner. I have the RF 24-105 F4 L, RF 50mm F1.8 and EF 70-200 F2.8 ii. This setup has been amazing for me as I've...

Resolved! How to Program the Function Buttons on the Canon RF 24-105 2.8 lens with the Canon C70

How do you program the two function buttons on this lens with the Canon C70?

RF 18-45mm lens won't extend/retract when camera is turned on/off

I have a EOS R100 with the RF 18-45 Lense. The lense does not automatically extend and retract when the camera is turned off and on. Can anyone offer a solution for this, thank you.

Wedding photography lens recommendations

Good evening. has anybody had experience with wedding photography, if so what lens do you guys use for when the bride is walking down but still a good focal length to get the groom first reaction of his bride walking down? I’m thinking about using my...

Resolved! EF lens recommendations for media day sports photos

Hi everyone I am a beginner photographer and I have been asked to take my schools track teams media day photos, I currently use the EOS Rebel T7 camera. Should I get another lens to take these photos or should my lens be fine?Also where should I get ...

RF 85mm lens compatibility with EOS R10?

Is Canon R10 compatible with a RF 85mm F1.2 lens?

Resolved! Canon EF 24-70 2.8L Lens - Won't work on apertures other than f/ 2.8

I was given a Canon EF 24-70 2.8L Lens by a friend to use on my new Canon EOS Rebel T7 It only works on f/ 2.8 and any other aperture it gives me an Error 01, it also shows very dark in the viewfinder and has a black circle in the center of the view...

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Posts

Have You Used the Canon EF 75-300mm f/4-5.6 III Zoom Lens?

EF 100-400mm Blurry action photos

EF 24-105mm f/4L Soft and Hazy

Resolved! Focus rings have sticky degrading rubber across multiple lenses

Resolved! Registration doesn't recognize RF lens

EF 100-400 II Image stabilization causing blurry pics of flying hawks?

EF 70-200mm f/2.8L IS III USM on a R5, R6 and a 5DM3 lost the ability to focus.

Broken lens needs fixing

Next Lens Options for Canon R5 (EF or RF): portraiture and bird photography

Resolved! How to Program the Function Buttons on the Canon RF 24-105 2.8 lens with the Canon C70

RF 18-45mm lens won't extend/retract when camera is turned on/off

Wedding photography lens recommendations

Resolved! EF lens recommendations for media day sports photos

RF 85mm lens compatibility with EOS R10?

Resolved! Canon EF 24-70 2.8L Lens - Won't work on apertures other than f/ 2.8

Real life IQ with the RF 14-35 F4L

Additions to the NEW RF STM lens lineup

Big Savings - Canon RF 100-500mm f/4.5-7.1 L IS US...

EOS M50 -doesn't take pictures with EF-M 15-45mm l...

EF 24-70 f2.8L USM Failure

Fix for Canon 100mm 2.8L macro lens problem\bug wi...

Using the EF 85mm 1:1.8, how to improve focus

EF 24-105mm Repair estimate for new aperture cable

Rf 200-800 lens collar annoyances