The Stand Loupe 4x with Neck String from Peak is a focusable loupe that comes with two skirts-one semi-transparent for examining film and an opaque skirt for using on a large format focusing screen. The included neck strap means it will always be nearby when needed.
High-resolution achromatic lenses
Corrected chromatic aberration
A multi-groove screw helicoid system, (ordinarily employed for camera lenses) is used for diopter adjustment, ensuring a very smooth operation
Two skirts for multi use-evaluating film or large format photography