The Grip Base D4 is equipped with newly developed SPS (Slide Plate System) and directly attached on more than 100 different water-proof housings. The SPS provides loose-proof structure by to-and-fro adjustable main plate and two sub plates to hold bottom part of compatible housing securely (Patent P.). When using a close-up lens or wide conversion lens, the Grip Base D4 is attached on a Mount Base..
The Grip+Bar III Set is equipped on the left hand side of the Main Base II, which is adjustable sideway supporting focusing / zooming operation with holding the grip. INON strobe arm system is attached on the Grip+Bar III Set.
The Main Base II is a fundamental component of the Holder II Set and attached on an underwater housing via two tripod screws or one tripod screw on Nikonos V to attach Arm II strobe arm system directly. The Holder II comfortably supports the back of your right hand with pre-installed 10mm neoprene rubber when holding INON X-2 series housing or Nikonos V and is slidingly adjustable to suits to diff..
The INON X-2 Holder II Spacer enables to install INON Holder II on INON underwater housing X-2 series. Specifically designed to maintain almost same holder location as when attaching INON "Holder II Set" on X-2 housing. Weight saving without using INON "Main Base II".