Canon Community

EFS vs EF lenses interms of Aperture

Hi! Sorry but maybe most of you might think this is a dumb question, I just really want to under so I'll post away.Recently Sigma has annouce it's latest Art lens, the 18-35mm F1.8 DC USM. It is design for APS-C cameras. It was mention that "The lens...

looking for an extender that is compatible with my Can EF75-300mm f4-5.6 IS USM lens

I have a Canon 5d mii camera and had purchased a Canon EF lens : 75-300mm : 4-5.6 IS USM many years ago for a Canon t90 and would like to get an extender (tc) for the DSLR and lens. I have looked at the compatibility charts for the Canon 2x and 1.4 t...

What is the best lens for shooting fireworks and why?

What is the best lens for shooting fireworks and why? I have the 10-22 that one of your associates recommended.

Best everyday lens for a t3i, Catching kids around the house

24-105mm f/4.0 L infinity focus troubles

Hello forum members,I have a 24-105mm f/4.0 L that has been giving me headaches for some time now.It simply won't produce sharp images at 24mm for any object further than 200ft away.I've had it sent to Canon twice already. Once they did nothing and o...

55-250mm lens photographs blurry around edges ? why ?

I have purchased a 55-250mm lens , most of the pictures taken above 100mm are blurry around edges !Is there something wrong with the lens or my settings ?

Canon 100-400 mm zoom reliability

Much has been written on this popular lens, but the experience of Arthur Morris, a Canon contract photographer, has me most concerned about a purchase.  In the first chapter of his book on bird photography (viewable on the Cornell Lab of Ornithology ...

What is the best Macro lens for an EOS 7D?

The recommendation from Canon support gave me an incompatible lens.

disable AF/MF autofocus switch on 7d?

Does anyone know how to disable the manual focus mode on a 7D?

Lense for Rebel T4i

What is the best lense for a rebel T4i to shoot both still and sports/action photos? I want an affordable lense that will be good for both, but I'm new to this and I'm not sure what would work best. Thanks!

will the lenses for a 300d(simga) fit any other canon dos digital camera?