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.