Pentax Espio 738 lens mount_Contax/Yashica But you should know that

But you should know that this adapter will also let you use Pentax M42 lenses

8 Yashinon-DX lens and a working- and accurate

There is a minor amount of dust

all to create what I assume is a hanging display for a store somewhere that needed help moving projectors

Allows for more precise reflected light measurement

Pentax Espio 738 lens mount_Contax/Yashica But you should know thatThe Pentax Espio 738 is a compact 35mm point and shoot camera with a reasonable 38 70mm zoom range, easy to use controls, and some helpful options (including Bulb mode for long exposures.) Pentax always did a good job with P&S cameras, and this one's no exception. Battery included.