B071VVQYF9 Ikelite Underwater Housing for Panasonic GX7 Mark II / GX85 / GX80

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200 ft (60m) depth rating
Ikelite flash bulkhead connector with built-in TTL circuitry
Slightly negative buoyancy in fresh water
ABS-PC, acrylic, and acetyl construction
DLM Type B port mount