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.