Canon EF vs. EF-S Lens with an Opteka Fish-eye
So I'm still exploring my new Canon D600 (Rebel t3i). I'm trying to get to the point where all of the Lenses that I used on my old EOS 630 SLR work on the new camera. I keep running into hitches here and there. First there was the error message on 70 - 210 telephoto lens. That problem I chalked up to not only the damage that has been done to the lens over the years (one bad drop that bent the lens prevents the gears in the lens from focusing to infinity. So, I'll be using that lens on rare occasions. The next problem that I attempt to tackle is with an opteka semi-fisheye/macro attachment lens. It screws onto the end of most lenses. I used to use it with my 50mm 1.8 EF, but when I tried to use it on this new camera the only thing that I got was super blurry pictures and a camera that had a hard time focusing on the macro level. I originally thought I had a fungal problem in the 50mm lens. I almost cried. In fact, the originally title of this post was going to be "