Adapter ring Canon EOS-praktica - To mount mount lenses Praktica B (PB) on Canon EOS mount enclosures (Electronics)
good product itself, but the tightening of Canon 5DMKII, the target set by the ring moves, but then it is very light Testing perfect images to my Carl Zeiss 50mm 1: 8 pentacon 80s, a beautiful quilted excellent quality for images videos ... I'm caref
