Canon EF and RF Lenses Forum

Canon 70-200 f/2.8L IS II not sharp at 200mm

I've been using my Canon 70-200 f/2.8L IS II for years now and it's always been my favorite lens for sports. In my last couple outings, I noticed that I was getting a lot of blurry shots and I now realize that they are all my shots taken at full 200...

Lens compatibility

HI Folks forgive me if this sounds like stupid question I have a Canon Rebel T6i and I am wonder if it is compatible with the following lens.Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary Lens for Canon EF If not what would you guys recommend for s...

is there any accessory to cover the 70-200 F2.8 exposed screws

Hi all, Is there any accessory like a piece of soft plastic / rubber ring to slide in for covering the exposed screws after remove the tripod collar on the Canon 70-200 F2.8 III ? Thank you for your comments.

Resolved! Is there a difference in image between an EF 35mm and EF-S 35mm, both on an APS-C camera

I've been engaged in a similar discussion under a different subject line. I want to disentangle myself from the question, asked under a different OP's post.I'm asking this question with specific parameters: two lenses with identical nominal focal len...

Resolved! Problem with two different Canon 85mm f/1.8 Lenses

A while back I was having intermittent problems just on a Canon 85mm f/1.8 USM lens. All my other lenses work fine. Sporadically I would get, "Communications between the camera and lens is faulty. Clean the contacts". It seemed humidity played a part...

IS on or off?

I was at a road course event this weekend. Was using a Canon 1DX with a Canon 400L 2.8, first generation. Thing is like a boat anchor so I was using my tripod and my Wimberley Gimbal head. I have a **bleep** near 50% fail to focus rate when I was usi...

some times getting a black screen with EF-M 11-22mm lens

Happens not all the time, but often. Is it true that repairs from Canon start at $300 ? Not worth sending it off I guess. Anyone have a bright idea of something I might try myself ?

Lens adapter Sigma to Canon

Hi all, I have a Canon T3i and recently bought lens Sigma 24-135mm f/2.8-4.5, but I just realized that it doesn't fit in my camera.I would like to know if I can easily find an adapter and which one could be. I found one in Amazon, but I'm not sure if...

Resolved! Image Stabilization On/OFF when hiking ?

Hi all,When resting my DSLR attached with IS lens in the backpack / toploader for hiking, should I need to turn OFF lens IS or keep it ON ?Thank you for your response.

Resolved! 650 Lens work for a T3i

Now i wish i still had all my old canon lens ?? Is there any thing special one needs to know when buying lens for a digital camera ??? I know canon film lens but my T3i is new to me ??

Resolved! Lens not communicating with camera

My new 6D Mark 2 gives me an error message when I try to use my EF 100-400 1.4-5.6L IS II USM lens. "clean the lens contacts" The contacts are clean and the camera is new. The lens works fine on my EOS rebel, all other lenses work with my new camera....

Canon 17-40mm f4l Can't attach in camera

Hello! I have a Canon 7D and used the Canon Lens 17-40mm f4L every day. This lens never fell or was hit. There is no visible why the lens has stopped snapping into the camera. It's like there's something blocking the fit. I can use other lenses in 7D...

Canon 35mm f/1.4L II Focus ring loose, rattles, wobbles, clancks..

Hi guys, I just bought this lens together with the 85mm 1.4IS. The latter has perfect build, and a smooth, well dampened, tight focus ring.Now, the 35 has a rattle on the focus ring, its loose. And its bothering me because i had no other lens of any ...

Resolved! Noisy IS in L series 24-105. Normal?

I noticed recently really loud IS in my 24-105, loud enough in fact to be picked up by the on-camera microphone I used. Is this normal, or should I seek out repair?

Does an encyclopedic list of Canon EF lenses exist?

Does anyone have a comprehensive list of Canon EF lenses manufactured, more specifically, those compatible with Canon film or digital SLR cameras? If I recall correctly, the Canon EOS 1V I purchased (2000?) used EF lenses, so I know they’ve been made...

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Posts

Canon 70-200 f/2.8L IS II not sharp at 200mm

Lens compatibility

is there any accessory to cover the 70-200 F2.8 exposed screws

Resolved! Is there a difference in image between an EF 35mm and EF-S 35mm, both on an APS-C camera

Resolved! Problem with two different Canon 85mm f/1.8 Lenses

IS on or off?

some times getting a black screen with EF-M 11-22mm lens

Lens adapter Sigma to Canon

Resolved! Image Stabilization On/OFF when hiking ?

Resolved! 650 Lens work for a T3i

Resolved! Lens not communicating with camera

Canon 17-40mm f4l Can't attach in camera

Canon 35mm f/1.4L II Focus ring loose, rattles, wobbles, clancks..

Resolved! Noisy IS in L series 24-105. Normal?

Does an encyclopedic list of Canon EF lenses exist?

Customizable Image Stabilization for RF Lenses

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EOS REBEL XT Lens Compatibility

RF600mm cannot find serial number

Powering Canon R5C and RF 24-105 F2.8 USM Z LENS t...

RF 24-105 F4-7.1 IS STM For shooting paintings?