Vacuum Valve for M16 Accessory Port for Nauticam, Isotta, Nimar Underwater Housings Arm Parts some vignetting and edge distortion

some vignetting and edge distortion will be present

Cannot be used with the W-20 lens

this is your answer

Read more about the change and about using the new cord with older housings here

Vinyl break-away safety lanyard

Vacuum Valve for M16 Accessory Port for Nauticam, Isotta, Nimar Underwater Housings Arm Parts some vignetting and edge distortionVacuum valve fitting for any housing with a spare M16 threaded accessory port. The valve's low profile avoids interference with control operation. The included waterproof plug is secured to the fitting to prevent accidental loss. This valve is installed quickly and easily by securing one nut on the inside of the housing. Vacuum pump sold separately.