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 distance: 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): 725g (on land) & 210g (underwater)
Dimensions: 157mm (D) X92mm (H)
With an equivalent 28mm camera, you will get a 0.41x ratio… that equates to about 168° ultra wide-angle shooting! Injected into the lens is an inert gas to reduce the occurrence of cloudiness in the lens due to temperature differences. With a 52mm thread, it will fit many camera and housings.
