Canon EF and RF Lenses Forum

EOS R 24-105 STM Slow Focus

Hey All,I recently switched from an M50 to an R for filming content and have discovered a strange issue with the RF 24-105 STM. When in face detection AF with eye tracking, the lens will eventually find the subject and focus, but it can take it some ...

Resolved! Used 18-135mm Canon lens

Wife and I spent a lot of $$$ at McKay's Used Books yesterday. I wandered by the display of music instruments, sound equipment, etc. to see what they had in photography items. One was an 18-135mm Canon lens for $89.95. Exterior looked good. We are aw...

Need advice on a lens or camera upgrade for bird and other wildlife shots!

I take mostly landscape, street photography, and bird/wildlife shots. I've had a canon eos M50 mark ii for 2 years now (15-45, and 55-200mm lens) and love it for landscapes, but of course it struggles at range for birds. I've heard good things about ...

Which mount adapter, EF-EOS R or M, can I use for EOS 1DX Mark III?

I just bought the Canon EOS 1DX Mark III, and have an EF camera (1 red circle on lens mount). According to Canon's site, I should use EF-EOS R or M. https://www.canon-europe.com/lenses/tech-guide/compatibility/I don't know which mount adapter to use,...

Best starter lenses. Canon EOS 2000D

Hi All,I bought a canon 2000D (Rebel T7) nearly a year ago now and never used it too much with the kit lens. A few weeks ago I decided to buy a 50mm f/1.8 lens from a secondhand shop and absolutely love it! It’s given me a much bigger passion for pho...

Repair Canon EOS 70-200F4 IS USM

I have a Canon 70-200F4 IS USM which I purchased in 2007. The focusing is acting up and Iwould like to send it in for repair. But when I call and say my model number she keeps asking what is that I need repaired, a camera, printer, etc. Never mention...

Working temperature range of Canon EF 200mm f/2.8 lens

Does anyone know the temperature range for this product? I will be using it in environments of around -60F and will be attaching heaters to the outside.

Resolved! Rebel T7 Additional Telephoto Lens

I have the Rebel T7 with an 18-55 mm zoom lense. I want to add the EF 75-300mm f/4-5.6 III USM @$234.99. It's not a $1200 lense but it seems like a match for the camera based on the retail price range.Any thoughts on this?I got the Rebel as a gift an...

Resolved! EOS Rebel XT and EOS 5D Mark IV Lens Compatibility

Hi All - I decided up upgrade my camera from a Canon EOS Rebel XT to a Canon EOS 5D Mark IV. I was very disappointed to discover the lenses are not compatible. I am hoping someone can help me with a couple questions: 1) Is there is a lens adapter tha...

EF 17-40mm f/4 L USM Autofocus Issue

Hello,I hope that any of you can provide some direction. I was going to use this lens with my 5D Mark II this morning and noticed that the autofocus wasn't working. Checked and double checked my settings and didn't find anything wrong with them. My s...

Resolved! T7i Lens for Astronomical Photos

I have the 75-300, 1:4-5.6 III. I get good pictures of the moon, I have a difficult focusing on Jupiter and Saturn, especially with screen. I am looking at a faster lens. However, not sure what the limitations of the camera might restrict choices....

Question about Quantaray Lens on EOS 5D

I'm brand new to the Canon EOS 5d. I just received a Quantaray lens for Canon AF 28-300mm 3.5-6.3 LDO. It has the EF mount. The lens does not work in auto, the focus motor runs but does not focus. When I depress the shutter button it clicks but...

What lens to invest in for beauty photography?

Hi everyone, I work for a small-scale beauty brand, we have a tight budget but so far have been working with a kit lens (Canon 70D). We want to be able to shoot tight beauty shots (which include close up portraits) and texture photography. References...

Resolved! 18-135 IS USM lens Metering Needle Not Working

I just received an 18-135mm IS USM lens and noticed that the metering needle is not working in Av and Tv modes.It does work in Manual mode.Is there a setting I am missing, or is this a feature of this lens?The lens is registered and turned on in my l...

Resolved! Canon EF 300mm f2.8 L Ultrasonic (Non IS) Questions

Hi Guys,I have an old Canon EF 300mm f2.8 L Ultrasonic (Non IS)I have two questions to ask1 There is a drop in filter / holder with a screw in glass which says Canon 48mm Regular 1xDo you know what it's purpose is is for? 2 Does anyone know where I c...

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Posts

EOS R 24-105 STM Slow Focus

Resolved! Used 18-135mm Canon lens

Need advice on a lens or camera upgrade for bird and other wildlife shots!

Which mount adapter, EF-EOS R or M, can I use for EOS 1DX Mark III?

Best starter lenses. Canon EOS 2000D

Repair Canon EOS 70-200F4 IS USM

Working temperature range of Canon EF 200mm f/2.8 lens

Resolved! Rebel T7 Additional Telephoto Lens

Resolved! EOS Rebel XT and EOS 5D Mark IV Lens Compatibility

EF 17-40mm f/4 L USM Autofocus Issue

Resolved! T7i Lens for Astronomical Photos

Question about Quantaray Lens on EOS 5D

What lens to invest in for beauty photography?

Resolved! 18-135 IS USM lens Metering Needle Not Working

Resolved! Canon EF 300mm f2.8 L Ultrasonic (Non IS) Questions

Beginners help with lens

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...

Can 3-D RF 5.2 mm F2.8 L Dual Fisheye footage be p...

How to Program the Function Buttons on the Canon R...

Tanzania Safari / Telephoto Lens Dilemma

Is it harmful to continue using an EF 70-300mm len...

EF 28-105 AF not working

EOS Rebel T4i, Good lens for indoor sports