A: distance across center of lens = 50.5 mm (1.98 in)
B: height from top to bottom of lens = 38.8 mm (1.53 in)
ED: diagonal measurement of lens = 52.2 mm (2.06 in)
DBL: length of bridge = 22.3 mm (0.88 in)
HT: height of frame (including suction cup) = 70 mm (2.76 in)
L: length of frame = 129 mm (5.08 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)