The UWL-100 28AD is a wide angle conversion lens with 100 degree maximum underwater view angle. It is designed to provide optimum optical performance with camera/housings having a 28mm wide lens (35mm film equivalent).
Note: This lens must be used with a "28AD Mount Base" or "28AD Port". It cannot be used with other standard "AD Mount Bases". See following sections describing these and other necessary or recommended parts.
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|Function / Efficiency|
|Focal Length||Infinity / Infinity|
|Depth rating||60m / 200 ft.|
|Underwater Weight||209g / 7.4 oz|
|Angle of View||100° / 179° (Underwater / Air)|
|Wet Lenses||INON AD/28AD|
|Lens Construction||4 elements in 4 groups|
|Dimensions||87.4 x 43.2mm / 3.4 x 1.7 in (DIA x L)|
|Weight||370g / 13.1 oz|
|Materials||Corrosion resistant aluminum alloy / Rigid black alumite, Polycarbonate etc.
Optical glass / Both side anti-reflection coating