prime lens focusing can be done using the controls knob on the upper left side of the housing
Adapter & Cable Compatibility
In the Box Flex Mount for DSLR Top Mount # 9573
Vacuum valve fitting for any housing with a spare 1/2" accessory port
25”/230mm Megadome made of BK-7 coated mineral glass
Ikelite Underwater Housing Sony RX100 Mark III, Mark IV & Mark V Compact Sea & Sea prime lens focusing can beIkelite 6116. 15 Sony Cyber shot RX100 MkIII, IV & V, V(A) Housing About this Product A full featured and durable underwater housing for Sony Cyber shot RX100 III, IV, V, and V(A) cameras. Suitable for scuba, snorkel, surf, pool, and any application in or around the water. Construction There's no greater assurance than being able to see the o ring seal. Simply close the two double passivated stainless steel locking lid snaps, and see the o ring form a