Product Description
 

0.54x Wide Angle Conversion Lens (M46 thread mount) Item No. : UWL-01M46 SPECIFICATIONS: Lens Construction: 4 groups, 4 elements Working Depth: 60M (200Ft) Magnification: 0.54x Mounting: M46 Thread, includes ring to adapt to M52 thread Lens Coating: Anti-Reflection Coating, Water Repellent Coating Barrel Material: Aluminum Alloy with Black Hard Anodize Weight: 320g Dimension: 80mm x 45.9mm(D)

Lense viewing angle is 170 degrees out of water and 100 degrees in water.