Canon EF and RF Lenses Forum

Canon EOS R6 Compatibility Issue with Samyang RF Mount 85mm f/1.4 Lens

I own a Canon EOS R6 and Samyang RF mount 85mm f/1.4 lens. The lens was going great, but as of now, the camera has a "busy" problem when shooting only with the Samyang RF mount lens and not with the native Canon RF lenses. I have the firmware Version...

Micro Adjust EF Lenses to EOS R6 Mark II

I just recently switched from 6D to an R6 Mark II. I am still using my EF lenses with an adapter on the R6. Is there a way to micro adjust the lenses to the camera?

EF400mm f/2.8L IS II USM stops working

Weird Problem with a canon EF 400 / 2.8Hey there,i got a weird one here, i mainly use my 400/2.8 L II with the 1Dx, but the behaviour is reproducable on my 5D Mark III, and it only happens with the 400.After a short time of normal function the displa...

Resolved! Irix 15mm incompatibility with Eos R6 Mark 2

Hello,I just would like to report the total incompatibility between Irix 15mm and the new R6 mark 2. I hope for a firmware update on Canon side but if ever somebody has a temporary fix, that would be great. In the end we would just need to be able to...

EOS 90D & Rebel T7 won't go below F9 with 100-400mm & 2x extender III

Using a 100-400mm in combination with 2x extender III on Rebel T7 or 90D. Once the extender is installed I cannot drop below F9 but AF won't work past F8. Any suggestions?

Birding Lens Recommendations for EOS Rebel T5

Hey everyone, I'm new to the site. I've had my Canon for years and my strongest lens is 300mm. I've been taking many photos of birds for the last couple of years and would appreciate a recommendation for a stronger lens.I've been enjoying it, but I...

Best lens for shooting low light bicycling photography - Rebel T6i

I have a canon rebel t6i and wanted to know the best suggestions for a lens that can work with low light and fast subjects the best with no availability to use flash (since they're racing, I refrain from using the flash because it's distracting and i...

EF 17-40mm f/4L USM on EOS M50?

Hi I’m looking to buy a new lens for my camera? Does anyone have any idea if the Canom EF 17-40mm f/4L USM ultra wide angle lens will work with my eos m50? Would I just need it and an adapter or will it not work at all? If it won’t work at all what a...

2nd Time, 24-105 f4 L Error 01

Hello! A couple years ago, my beloved 24-105 f4L version 1 started making noises and erroring out (error 01), and refused to shoot. I sent it in for repair and after $380, was back out shooting. Fast forward four years to today, my lens is giving me ...

RF 28mm 2.8 vs RF 24mm 1.8 for travel?

Hi all. I’ve had a Canon R8 for almost a year. So far the RF 35mm 1.8 has been by far my most used lens for general day to day purposes.However after a couple trips under my belt, I’ve found myself in situations where I wished I had something a bit w...

Resolved! Where is the serial number my new 100mm 2.8 macro lens?

Is it the 10-digit number etched into the black plastic near the SA lock switch?

R6 lens advice

Hi all. I am planning to move from my 90D to an R6. I dont know what decision to make about lenses. I am mostly into nature, landscape, bird/wildlife, and portraits of friends and family.I have an EFS 17-55 2.8 (which is amazing), an EF 50mm 1.8, an ...

Resolved! IS not working with Sigma lens on EOS 250D

Good Day to all!I recently acquired a used Sigma 17-50mm lens for my EOS 250D setup, which includes the kit lens, Canon 50mm, and Canon EF-S 18-135mm. Overall, I'm quite pleased with the image quality and performance of the lens. However, I've encoun...

New lens recommendations for EOS 70D

I bought a canon 70d with lens 50 mm 1.8 stmI want to buy another lens for video and photo together because i want to work about advertising and making a short videos and some photosAnd if its possible to be with price 400$ or less

Landscape lens for Canon 80D

Greetings, I’m new to the forum. I’ve been shooting wildlife & landscapes for several years with a Rebel 100; 18-55 & a 75-300 zoom.Recently I upgraded to a 80D and am looking for recommendations to shoot landscapes. The 80 came with a 18-135. Resea...

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Posts

Canon EOS R6 Compatibility Issue with Samyang RF Mount 85mm f/1.4 Lens

Micro Adjust EF Lenses to EOS R6 Mark II

EF400mm f/2.8L IS II USM stops working

Resolved! Irix 15mm incompatibility with Eos R6 Mark 2

EOS 90D & Rebel T7 won't go below F9 with 100-400mm & 2x extender III

Birding Lens Recommendations for EOS Rebel T5

Best lens for shooting low light bicycling photography - Rebel T6i

EF 17-40mm f/4L USM on EOS M50?

2nd Time, 24-105 f4 L Error 01

RF 28mm 2.8 vs RF 24mm 1.8 for travel?

Resolved! Where is the serial number my new 100mm 2.8 macro lens?

R6 lens advice

Resolved! IS not working with Sigma lens on EOS 250D

New lens recommendations for EOS 70D

Landscape lens for Canon 80D

RF600mm f4.0 feels like a ball rolling inside

RF600mm cannot find serial number

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...

R5 with 70-200 f2.8L IS USM (Gen II) "motor won't ...

85mm vs 20-105mm for indoor group shot

EF 18-55mm Rubber Focus Ring is very sticky to the...

Focus adjusting R6 Mark II with Sigma lens

EOS RF-S18-45mm F4.5-6.3 IS STM Lens stuck, will n...