•Lens Construction:2 elements; 2 groups (1G1P)
•Magnification:0.72X
•Compatible camera and lens (Recommendation):Sensor Size:6.4mmX4.8mm(1/2") Camera Lens:24mm(35mm Equivalent)-F/1.4
•Field of View Conversation:24mm(84.1)>21.5mm(90) 28mm(75.4)>25.7mm(80.4) 35mm(63.4)>34.1mm(64.8)
•Dome Lens:Optical Grade Polycarbonate Resin
•Glass/Coating:Optical Glass / Multi-Layer BBAR Coating
•Lens Barrel:Aluminum with Type II Anodizing
•Mounting:M52 X P0.75
•Dimension:Ø92.8 X 50.6mm
•Weight(Air):240g
•Weight(Underwater):80g
•Depth Rate:60m(197ft)