A: distance across center of lens = 43.5 mm (1.71 in)
B: height from top to bottom of lens = 48.4 mm (1.90 in)
ED: diagonal measurement of lens = 52.8 mm (2.07 in)
DBL: length of bridge = 19.6 mm (0.77 in)
HT: height of frame (including suction cup) = 90 mm (3.54 in)
L: length of frame = 114 mm (4.48 in)
C: diameter of suction cup = 35 mm (1.38 in)
D: dimensions of anchor bracket (L x H) = 63 mm (2.4 in) x 20 mm (0.78 in)
Circ: circumference of lens = 148.3 mm (5.83 in)
Wt: weight of insert without lenses = 19.8 g (0.7 oz)