There is some confusion about the max safe sync voltage. The cameras owners manuals is not clear on this matter leaving some to believe that the 250v (on newer DLSRs) is only safe for the PC socket with the hotshoe still at 6v like the older cameras....
The Canon EF mount uses a lens flange distance of 44mm vs 42mm of the FD mount. This means that the lens could not focus at infinity unless the adapter has a corrective lens in its design. Most of these adapters are of very poor quality and will degr...
The Canon EF 200mm f/1.8 was a 'focus-by-wire' lens (just like the current Ef 85mm f/1.2) and can only be manual focused when connected to an EOS body. The EF 200mm f/2 lens does not share this feature and can be manual focused just like a normal len...
While it is certainly best to never let it happen, the mirror is a lot tougher than people think. The mirror on my 5DII has hit numerous times on multiple lenses without any ill-effects. Question for ebiggs1. Did the adapter that you used for the FD ...
Going by your image, it appears that the mirror is hitting the back of the lens (probably the aperture lever) and you photographed the backside of the mirror as it was moving up. Although most older manual focus Pentax lenses (along with other manufa...