Canon EF and RF Lenses Forum

Lens refurbishing

I have a Canon 600mm lens that is at least 20 years old. I feel like it does not focus as sharp as it used to. Has anyone ever sent a lens back to Canon to have it refurbished? Is this even possible? If so, how did it work, and how much did ...

Canon EOS RP RF 24-105MM Lens Infinity Focus

Hello, I have the Canon EOS RP body with an RF 24-105MM Lens. I'm wondering, does this lens have an infinity focus feature? I thought I saw some videos regarding a "distance meter" but I believe this is only on the Canon EOS R. I have the Canon EOS R...

100-400 lens

Has anyone had a problem with the screws coming loose on their 100-400 lens?? If so what did you do to fix it?? Thank you.

Canon RF 70-200 f/2.8 Front Focus issue

Hi, new to the forum! I've just purchased a Canon RF 70-200 lens, and after several days of usage appear to notice a front focus. It's not a severe issue, and mainly shows up in the shallow depth of focus circumstances, such as close-ups and portrait...

Documentation for Canon FL 55-135mm f3.5

This question is for the old-timers. I was recently gifted a lovely Canon FL 55-135mm f3.5 lens. The aperture mechanism is not functioning. I've looked high and low for some instructions on how to disassemble the back of this lens to reach the proble...

RF70-200 Teardown

https://www.lensrentals.com/blog/2019/12/the-not-very-long-awaited-teardown-of-the-canon-rf-70-200mm-f2-8-is/ Very solidly built - and a completely new design.

Are camera lenses cheaper in Japan?

Hello everyone,,,I'm visiting Japan in two months and I'm specifically looking to buy a Sony Distagon FE 35mm f/1.4. Would it be cheaper to buy it in Japan? I'm trying to find it used to save some money, but I've googled this and checked the BIC came...

Buying lenses from eBay Japan - Did you have to pay any USA customs/import fees?

For those of you who have bought eBay lenses from Japan, did you incur any USA customs fees/duties/delays etc?The ads typically say: "Expedited Shipping from outside US | See detailsInternational items may be subject to customs processing and additio...

Sweet spot for an EF 200mm 2.8L prime?? I use a Canon 6D II camera.

My 1st Prime.... a Canon EF 200mm 2.8 L whic I bought off Ebay yesterday. What is the sweet spot for this lens? All my other lenses are zooms. PLease advise. Thank you!

Sigma 150 - 600 mm Sport lens for a Canon 7DII Camera

I'm interested in getting a little more reach for my 7DII camera for wildlife photography. I currently have the 100 - 400 mm II which I have no issues with except it doesn't always provide enough reach for far-away subjects.I'm interested in perhaps ...

Resolved! Canon EF 100-400 f/4-5.6L with 2x extender

Do you use the 100-400mm in combination with 2x extender ? What do you think about this combination ?

Resolved! Autofocus not working on 18-55 mm lens and 18-135 mm lens.but working on 50 mm lens

Hi all,I am a newbie and bought my first DSLR canon SL3/200D ii with 18-55 STM lens + 50 mm lens kit. Later i bought another used lens 18-135 mm . I just realized that autofocus feature is not working on the 18-55 and 18-135 mm lens.. however its wor...

50mm 1.8 STM Won't Switch to AF When Mounted

I just purchased a new 50mm 1.8 STM today. I mounted it and it was already in AF mode. I took a few shots. Focused perfectly. Then I switched to MF focus and took some shots. Still no issue. When I switched back to AF, I noticed that it wasn't focusi...

Adaptor EF-EOS M

I want to use my Canon 300mm f4 with my new M6 mark ii, so purchased an EF-M lens adaptor.Many problems:The lens keeps searching for the focal point, so I switch it to manual to stop the lens from searching. The lens actually makes a clicking sound. ...

Extender

recently purchased a EFS 18-135 lens, but it do not fit my EOS 5D Mark III . However, 28-135 ultrasonic len fitted. What type of extender do I need? Thanks

Canon Community

Posts

Lens refurbishing

Canon EOS RP RF 24-105MM Lens Infinity Focus

100-400 lens

Canon RF 70-200 f/2.8 Front Focus issue

Documentation for Canon FL 55-135mm f3.5

RF70-200 Teardown

Are camera lenses cheaper in Japan?

Buying lenses from eBay Japan - Did you have to pay any USA customs/import fees?

Sweet spot for an EF 200mm 2.8L prime?? I use a Canon 6D II camera.

Sigma 150 - 600 mm Sport lens for a Canon 7DII Camera

Resolved! Canon EF 100-400 f/4-5.6L with 2x extender

Resolved! Autofocus not working on 18-55 mm lens and 18-135 mm lens.but working on 50 mm lens

50mm 1.8 STM Won't Switch to AF When Mounted

Adaptor EF-EOS M

Extender

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...

Sigma and Tamron Spill the Beans on Lens Sale For ...

Those with the 100-500, how has it been for wildli...

85mm vs 20-105mm for indoor group shot

Will EF 100-400mm lens work as well on EOS R10 via...

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

Focus adjusting R6 Mark II with Sigma lens