Canon Community

When shooting fish in the pond I am uncertain on focusing situations.  The camera is auto-focusing when I ask it to do so, but upon what is it focusing?  Is the image of the fish on the surface that is in focus, or is it the actual fish under water? ...

I am looking for literature for an EF mount 500mm f/4.5L non IS. This is the original 500mm Canon lens, it does not have IS. It is a terrific lens with variable manual focus speed.

What I am unable to find is a manual for this lens. Might anyone have a copy or know where one could be read?

I would like to use a case for everyday usage.  I thought some manufacturer made a larger case, but I haven't found one yet.  Any help?

There are several straps on the market that anchor to the camera at the tripod mount bracket.  I have heard pros and cons concerning these mounts.  Are they safe to use or can the camera be harmed?  A collar mount for a lens elimiates This problem bu...