Aquatica Port Extension Ring (3.8") On-Stage KSA7500 4" mounting platform with its

4" mounting platform with its reversible 3/8" / 1/4"-20 mounting screw allows you flexibility in attaching Still Photo tripod heads

Material Aluminum alloy Size 52-58 mm Packaging Info Package Weight 0

The black Pro Fit Mid-Size Wireless Mouse from Kensington puts responsive control over a desktop or laptop PC right at your fingertips

padded with soft poly-fill

the included 4-lamp fixture and rectangular 20 x 27

Aquatica Port Extension Ring (3.8") On-Stage KSA7500 4" mounting platform with itsEnables Use of Longer Lens Teleconverter Depth Rating: 295' Increase the length of your Aquatica underwater housing's port to allow for the use of longer lenses or teleconverters via this Port Extension Ring that measures 3. 8" in length. The ring is also designed to enable positioning of the front element of your lens as close as possible to the interior of the port, in order to minimize distortion for better image quality. See the Dimensions Chart