Canon EF and RF Lenses Forum

For the Photographer that has everything

Ken Rockwell is reporting that you can now get a 60mm Holga lens in Canon EF mount.Just don't come complaining to us that you can't take sharp images with it!It is available from B&H, and possibly others.(Sorry, I can't really link to it.)

Repair 100mm f2.8L Barrel

Good MorningI have a 100mm f2.8 that has a crack in view lens barrel. I found replacement barrels online and want to make the repair myself. I do have a set of spanner tools. What are your thoughts and instructions or a schematic?

advice for maximizing lens usage (wide angle/macro/extensions)

I'm an artist, building a new kit for photographing medium and large format paintings for print reproduction. I also use the camera for artistic shots and references from nature. I basically need a to expand my spectrum, or learn how to do it without...

I can't get my EF-S 18-200 Zoom Lens to focus sharply either manual or auto mode.

EOS Rebel T6i

Resolved! Carepak question: on lens

Does anyone have this Carepak service for their lens? NOT camera. Information is a bit lagging for lens. I get if damaged, etc. but what about servicing the lens annually? Checking I see it's a very rudimentary service, for lens. Tighten some screws,...

Canon EF Zoom 17-40mm Auto-focus Problem--Canon won't service?

I recently started having trouble with my cherished 17-40mm 1:4 L USM lens. It won't properly auto-focus. It hunts and sometimes gets it right but usually doesn't. I can still manually focus. All my other lenses still auto-focus fine on my EOS 5D Mar...

Resolved! Good Overall Lens for EOS Rebel T6

Hi new here!I’m planning a trip to Dubai and envisioning wonderful photo opportunities. I have a Canon T6 but I wanted to know what would be a good all around lens? I will be traveling with children so I don’t think I will be switching out lenses lik...

EFS 18-135 lens not detaching from EOS 77D

My EFS 17-135mm lens is functioning perfectly. When I press the release button it also smoothly rotates and you feel a slight 'release' when it hits its end - but the lens itself will not detach from the camera body.As the camera and lens work, I don...

Terrible Rubbing Noise Inside Tamron Lens

I just purchased a Tamron 24 to 70mm Gen 2 lens with an EF mount. I own a Mark IV and an EOS R6. When I use my EF to RF adapter with this lens on my R6 there’s a terrible rubbing noise and it’s constantly searching on how near or far to focus (goes b...

Drop in filter won't fit into my 24-105mm lens. Any idea?

Can someone help me . I just bought the R5 with the 24mm to 105mm and I recently bought the drop in filter but I can't put the lens and the filter together. Any suggestions please.

Best Lenses for Commercial Food Photography

I was wondering what lens would be best for food photography. Like commercial photography for food.

RF 85mm F/1.2 OR RF 50mm F/1.2?

Does anybody here have either or both of these lenses? If so, what's your evaluation of it/them? I'm just itch'n to deplete my checking account balance a tad and both of these lenses really tickle my fancy.

Aesthetic defect on my 100-400mm L IS II

Has anyone had an issue with small metal plate coming off top of tripod collar flange? I was out in field one day this summer and did not realize it could pop off. I thought flange was one solid piece but now I know it is not. Cannot seem to make hea...

Will Lens X Work on Camera Y?

This question comes up a lot, so I wrote an article explaining all the issues and combinations. Here it is:https://moonblink.info/MudLake/gear/lensesIt turned out a lot bigger than I wanted, but this turns out to be kind of a messy issue. Anyhow, the...

Best Lens for EOS 700D

What is the best lens for Cannon 700D?

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For the Photographer that has everything

Repair 100mm f2.8L Barrel

advice for maximizing lens usage (wide angle/macro/extensions)

I can't get my EF-S 18-200 Zoom Lens to focus sharply either manual or auto mode.

Resolved! Carepak question: on lens

Canon EF Zoom 17-40mm Auto-focus Problem--Canon won't service?

Resolved! Good Overall Lens for EOS Rebel T6

EFS 18-135 lens not detaching from EOS 77D

Terrible Rubbing Noise Inside Tamron Lens

Drop in filter won't fit into my 24-105mm lens. Any idea?

Best Lenses for Commercial Food Photography

RF 85mm F/1.2 OR RF 50mm F/1.2?

Aesthetic defect on my 100-400mm L IS II

Will Lens X Work on Camera Y?

Best Lens for EOS 700D

New Firmware Released For 5 Telephoto Lenses

CN20x50 Manual IRIS selection not working

Canon RF 200-800mm F6.3-9 IS USM Lens Review by Br...

Canon Explorer of Light Sal Cincotta and the RF85m...

Canon Co-Lab Ambassador Sam Newton and the RF24-70...

Help choosing lens.. Worth selling the RF 14-35 f4...

EFS 18-55 seems to focus correctly, but unusable r...

Canon EF 24-104L pair with a R8 body

EF 100-400MM F/4.5-5.6L IS II USM Blurry photos on...

I want one really good lens (for my EOS R6)