Peak 8x Loupe lens mount_Four Thirds The movable shroud can be

The movable shroud can be used in the down position for transparencies

but it can be used with many autofocus lenses which have an aperture control ring (note that the focusing function will still be manual)

and generally good cosmetic condition

8 is a short telephoto lens compatible with M-mount rangefinder cameras

non-working Photomic prism

Peak 8x Loupe lens mount_Four Thirds The movable shroud can beA compact, good quality Peak 8x loupe. In excellent condition, with strap. If you need a loupe, this is a pretty solid choice: it's nice and sharp, with a built in 30mm measuring scale. Suitable for reflective or transparent materials.