Set of yoked empty prism goggles, large (26 prisms+2 frames)

Prism set "Yoked" large, in modern design. Contents: 2 empty frames and 13 pairs of prism lenses with 2 lenses each in the following powers: 0,25 | 0,5 | 1,0 | 1,5 | 2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 15 pdpt. Quickly exchange the lenses without a screw! Frames come with a wide elastic band. Set comes in a high quality box, made of strong, special cardboard material and plastic. All parts can also be ordered as single items.