The VM-10 VisorMag from Carson Optical is a set of clip-on, flip-up magnifying glasses that attach to the brim of most caps and hats.

Perfect for fly-tying and all fly-fishing needs. Complete with protective soft-pouch, its crystal clear acrylic Lenses give you a sharp, distortion-free view that allows you to see even the finest details with ease.

These Magnifying glasses are 1.75x power equivalent to +3.00 diopter.