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.
