Canon EF and RF Lenses Forum

regarding softness at 400 mm of canon ef 100-400mm f/4.5-5.6 l is

I have canon ef 100-400 mm f/4.5-5.6 l is lens, since 2014 and usages of this is limited for cricket and wildlife. this lens having softness at 400mm! how can be fix, pls advice. Using this lens with canon eos 7d and 50d.

Where can I find old repair parts?

Hello,I have a Canon EF 16-35mm f/2.8L IS USM (version 1) lens, which I accidentally dropped and now the front ring assembly is bent. Canon discontinued this lens in 2015, so they don't make the parts anymore. I've looked for it everywhere (web, came...

Resolved! Question on film cameras

Hi canon community, I'm very new to cameras and photography in general and was looking into getting a canon film camera but I was wandering if I will be able to use modern lenses (specifically a 12mm/10mm fisheye) have there been any significant thre...

Can I use my Canon EF lens on a Canon 7 film rangefinder? Is there an adapter?

Can I use my Canon EF lens on a Canon 7 film rangefinder? Is there an adapter? I only see an adapter for the EOS-M, which is digital. I want to purchase a Canon P or 7 *film* rangefinder, but I'll be more motivated if I can use my old lenses. Thank y...

Every time I....

... bring up the 85mm L f1.2 II lens on my laptop screen, I find myself reaching for my credit card! I'm going to be doing lots of portraiture of an intensely breathtaking woman this coming year, and I'm thinking I can't do it without this lens. Do ...

Resolved! Canon 100-400 L II Manual Focus Disable.

Can the manual focus be disabled in AF mode as with Canon Electronic Manual Focus on some other EF Lenses?It shows up in the AF Menu of my 7D2, but selecting "Disable MF in AF mode" appears to have no effect.

Resolved! Choosing my 50mm f/1.4

I see there's a 50mm f/1.4 FD lens and a USM lens, What's the difference between them?Thanks in advance!

Resolved! Lens Compatibility with 5D III - Canon EF-S 18-55mm f/3.5-5.6

I have just purchased a Canon 5D III. I have a Canon EF-S 18-55mm f/3.5-5.6 that does not fit but my other Canon lenses do. Is it compatible with the 5D III?

EFS 17-55 sticking f-stop

I love this lens, but I recently started getting error 99 messages when trying to use it.After playing around with it, I discovered that the f-stop sticks at any zoom and spits out the error message...but it works fine when shooting at 17mm (no zoom)...

i have a EFS 55-250 mm lens from a canon rebel t2i. Is this lens compatible for a canon rebel t6.

Resolved! Rebel T6 lenses

Not sure if this part is relevant, but I'm getting Rebel T6 with 18-55mm lenses, I've been told to also get the 50mm f/1.8 lenses, so my question is: wouldn't the 18-55 be the same since it already has the 50mm in it? I apologize if this is a stupid ...

50mm f1.4

I'm just switching to full frame. Unfortunately the 1.2 isn't in my budget right now. Is the 50mm f1.4 worth the investment if I have the 1.8? Eventually I'll save up to upgrade to the 1.2.

lens compatibility

We have and EOS 30D, EFS 17-85mm. Will the lens EF 75-300mm for the EOS 7D and 60D wk w/ours?

Resolved! Lens Suitability Confirmation please ?

Hi Newbie here so please be gentle... I have an old EOS 500 Film camera... together with two lenses ... 1. An EF 28-80mm II and 2. An EF 75-300mm II I am looking at a step into Digital SLR - only for my own pleasure ... and am looking at an EOS 1300...

Resolved! AF Point Sensitivity with Narrow Aperture Lenses

I guess that I've been thinking too much again. I've run up against one of those, "Now how is that supposed to work," issues. Except for the high end models, most of Canon's DSLRs cannot focus at f/8. The cameras seem to top out at f/5.6. But, som...

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regarding softness at 400 mm of canon ef 100-400mm f/4.5-5.6 l is

Where can I find old repair parts?

Resolved! Question on film cameras

Can I use my Canon EF lens on a Canon 7 film rangefinder? Is there an adapter?

Every time I....

Resolved! Canon 100-400 L II Manual Focus Disable.

Resolved! Choosing my 50mm f/1.4

Resolved! Lens Compatibility with 5D III - Canon EF-S 18-55mm f/3.5-5.6

EFS 17-55 sticking f-stop

i have a EFS 55-250 mm lens from a canon rebel t2i. Is this lens compatible for a canon rebel t6.

Resolved! Rebel T6 lenses

50mm f1.4

lens compatibility

Resolved! Lens Suitability Confirmation please ?

Resolved! AF Point Sensitivity with Narrow Aperture Lenses

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 ...

A ring appears on the screen when shooting with Ca...

RF lenses that fit both R7 and R6 ii

Good budget landscape lenses for the R50

Canon RF 100-500 registration for exchange

Used EF zoom lens recommendations for wildlife