B01MA1J92C Sony RX100 Underwater Housing for RX100-series Cameras Underwater Camera Housing, Clear (MPK-URX100A)

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Excellent water resistance at a depth level of 40 m / 130 ft.
Rotary lens-ring dial, large lever shutter button, zoom lever
Allows use of camera’s built-in flash
Comes with detachable diffuser for minimizing vignette
67 mm filter thread for lens and filters color correction.BATTERY LIFE(STILL IMAGES)(CIPA):Up to 330 shots / 165 minutes