Rx-able Scuba Mask Insert

Rx-able insert for your diving/scuba mask.
Attach it with the suction cup to the single pane mask.

Dimensions

A: distance across centre of lens = 42.6 mm
B: height from top to bottom of lens = 47.7 mm
ED: diagonal measurement of lens = 51 mm
DBL: length of bridge = 30 mm
HT: height of frame (including anchor bracket) = 50 mm
L: length of frame = 120 mm
C: diameter of suction cup = 32 mm
Circ: circumference of lens = 148.3 mm
Wt: weight of insert without lenses = 5.7 g