First, look at the thickness difference between the smallest/lightest old film AFSLR and the current "smallest" DSLR of Pentax:-My K-x measures about 63mm from flange surface to the back of the rear LCD panel, whilst my MZ-30 measures only 48mm from front to back (protruding part excluded). Actually, I believe you can see the big difference from the photos above.Recently, I am very interested in