Model Number: AOI UWL-04A
Description: Underwater 0.42X Wide Angle Conversion Lens (Included QRS-01-AD3)
Lens Construction: 5 Elements in 5 Groups
Lens Coating:
All Glass Lens Elements with Multi-layers AR Coating,
Front PC Dome Lens with Hard Coating
Field of View (Diagonal): 160°(with 28mm Lens)
Magnification: 0.42X
Minimum Object Distant: 0 mm to the Front Dome Lens
Mount System: M52 Thread Mount / QRS-01 compatibility
Depth Rating: 60 Meters / 200 Ft.
Lens Barrel / Lens Hood: Aluminum Alloy with Black Anodize / ABS
Weight (On Land / Underwater): 
725 g  (on land)
210 g  (underwater)
Dimensions: 157mm (D) X92mm (H)
Standard Accessories:
Neoprene Dome Cover (DNC-04)
Rear Lens Cap (LRC-01)
Carry Case (LPC-03)
Adaptor (QRS-01-AD3)