Product Specifications (*1)
 
| Model | UWL-S100 ZM80 | 
| Outer diameter / Length (*2) | 67.8mm / 66.4mm (2.7in / 2.6in) | 
| Weight (air / underwater) | 296g / approx.145g (10.4oz / 5.1oz) | 
| Lens construction | 4 elements in 4 groups | 
| Focal length (air / underwater) | infinity / infinity (afocal system) | 
| Magnification | 0.23 | 
| Maximum incident view angle (air / underwater) (*3) | 179.8° / 100° | 
| Body material / Finishing | Corrosion-resistant aluminum alloy / Rigid black almite | 
| Glass material / Finishing | Optical glass / Both side anti-reflection coating | 
| Mount thread diameter / pitch | M52 / 1.5 | 
| Depth rating | 60m / 197ft | 
Actual shooting distance (from lens surface) and camera's focus setting
 
| Shooting distance [from front edge of the lens] (*5) | Focus position (*4) | 
| 0mm | 280mm | 
| 19.3mm | 500mm | 
| 28.1mm | 600mm | 
| 36.9mm | 700mm | 
| 63.2mm | 1000mm | 
| 107.1mm | 1500mm | 
| 238.7mm | 3000mm | 
(*1) Specification is subject to change without prior notice.
(*2) Excluding "Lock Ring"
(*3) Actual view angle (actual field of view) varies depending on zoom setting of combined camera.
(*4) Focus range / position on land (=visual distance underwater). Multiply by 1.33 for measured distance underwater.
(*5) Measured distance underwater. Divide by 1.33 for visual distance underwater.

