Details
Lens Construction: 2 groups, 2 elements
Focal Length/Diopter: 250mm / +4 (Underwater)
Mounting: M67 thread mount
Lens Coating: multi AR coating + water repellent coating (outer surface)
Barrel Material: Aluminum with black anodize
Weight: 138g
Dimensions: 72 x 22.3mm
Depth Ratio: 60m/200 feet