Construction -
Corrosion-resistant aluminum alloy (anodized finish)
3 elements in 3 groups
Mount type : M52 screw
Focal Length : 18mm (35mm film equivalent)
Angle of View -
Underwater : 85o
On land : 106.5o
Magnification : 0.65x
Depth Rating : 60 m (200')
Dimensions (Diam. x Depth) : 9.7 x 4.7 cm (3.8 x 1.9 in)
Weight -
On land : Approx. 0.40 kg (0.88 lb)
Underwater : Approx. 0.23 kg (0.51 lb)

Front Cap
Rear Cap
Instruction Manual