Peak 8x Loupe brand_Rokinon The Olympus OM-10 is an

The Olympus OM-10 is an easy to use 35mm SLR with manual focus and aperture-priority autoexposure

so be sure to check your camera's instruction manual for compatibility

optics are generally clean

Focus action is relatively smooth

but you probably shouldn't be taking portraits of people who are running away really fast anyway

Peak 8x Loupe brand_Rokinon The Olympus OM-10 is anA compact, good quality Peak 8x loupe. In good working order, though strap fans will want to know that the strap attachment points have been removed. If you need a loupe and you don't need a strap this is a pretty solid choice: it's nice and sharp, with a built in 30mm measuring scale. Suitable for reflective or transparent materials.