i have a canon 450D, but sometimes use it with old Pentax manual lenses (with an adapter), you can find them on ebay, they're usually pretty cheap. for this photo i used a Takumar SMC 28mm 3.5 i also have a Takumar smc 50mm 1.4, great lens, but focusing with it wide open is really tricky (oh, and this lens is radioactive,…