The set consists of: Fisheye Dome Port 240 for EF 11-24mm F4L USM, Conversion Ring 25 for EF 11-24mm F4L USM, NX Dome Port Cover, Zoom Gear for EF 11- 24mm F4L USM and Rear Port Cover (L).

* Extension Ring 40L is also required in order to use the port and zoom gear set.
* The port and lens set is only compatible with housings equipped with a lens release button on the front case. When a lens is mounted on a camera in a housing without a lens lease button, the lens cannot be removed.
* Auto focus only (manual focus not possible).

Specifications
Fisheye Dome Port 240 for EF 11-24mm F4L USM
Spare O-ring(#62134)
[Dimensions (DIAxD)] 250 x 104 mm / 9.8 x 4.1 inches
[Weight] Approx. 1,225g / 43.2oz
[Depth rating] 80m / 260ft
[Construction] corrosion-resistant aluminum alloy (anodized), acrylic (dome) and ABS (shade)

Conversion Ring 25 for EF 11-24mm F4L USM
Spare O-ring (#62101)
[Dimensions (DIAxD)] 133 x 40.5mm / 5.2 x 1.6 inches
[Weight] Approx. 215g / 7.6 oz
[Depth rating] 100m / 330ft
[Construction] Corrosion-resistant aluminum alloy (alumite coating)
[Distance] Between the mount and the front end: 25mm / 1 inches (with port lock)

1. Fisheye Dome Port 240 for EF 11-24mm F4L USM
2. Conversion Ring 25 for EF 11-24mm F4L USM
3. NX Dome Port Cover (Front)
4. Zoom Gear for EF 11- 24mm F4L USM
5. Rear Port Cover (L)
6. User manual
7. 1 Year warranty