Ikelite WD-4 Wide Angle Dome

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Ikelite WD-4 Wide Angle Dome

Ikelite WD-4 Wide Angle Dome

The WD-4 Wide Angle Conversion Dome provides all of the benefits of a dome port underwater without the limitations.

The WD-4 simply slides onto the standard port of the Ikelite housing— no modification to or replacement of the housing's original port is necessary. The WD-4 can be removed and replaced underwater so there is no limit to the camera's zoom or macro capabilities. Approximately 3/4 of the camera's zoom range can be used with the dome in place.

The conversion dome corrects for the refractive magnification of the flat port underwater to restore the camera's original angle of coverage. For example, the WD-4 and Canon G10 combination provides 28mm angle of coverage with incredibly crisp corners. In comparison this option is effectively as wide as and sharper overall than a housed Canon G9 underwater with external wide angle lens.

S p e c i f i c a t i o n s
Dimensions ............
5.0" dia x 2.25" length
12.7cm dia x 5.7cm length
Weight in Air ............ 1.06lb (0.48kg)
Buoyancy ............ 2.6oz negative in fresh water
Depth Rating ............ 200 feet (60m)
Warranty ............ 1 Year Against Manufacturer Defect


Comparing Angle of Coverage
With a 28mm angle of coverage, the Canon G10 and WD-4 combination is wider than a housed Canon G9 used underwater with an external wide angle lens. Here's why:
Widest Angle of Coverage for Canon G9     35mm  
Refractive Magnification of Flat Port Underwater x 1.3
Angle of Coverage for Canon G9 with Flat Port   46mm
Conversion Factor of Ikelite W20 Lens x 0.56
Maximum Angle of Coverage with External Lens *   26mm
* To eliminate vignetting with the external wide angle lens, the camera must be zoomed in approximately two "stops." In practice the angle of coverage with an External Lens is narrower than 26mm.

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