canon 90d

I'm just about to buy this lens. I know it's stellar optically. But how does it perform with Canon 90D PDAF? Are all focus points usable and is it spot on?

Hey everyone, I've noticed that my 90D has a little circle of darker pixels towards the top right of every image in the same spot, I've tried using my 70-300mm L and also the non-L 70-300 and they both do the same thing so it's definitely sensor related, but I have noticed the darker pixels are...

I'm anxiously waiting for the announcement and release of the Canon 90D or the new Canon 80D replacement. Which I know is going to be an amazing camera. We all want canon to bring 4k to the aps-c line up at this price point, though with all the new features we want. I believe it's going to be a...