EnglishFlip adapters are external mounts fitted to underwater housings for wet lenses. They allow divers and photographers to position or remove optics with ease during a dive.
![Nauticam M67 Double Flip Holder for M67 Macro Ports [25108]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/2/5/25108.jpg)
![Nauticam M67 Double Flip Holder for M77 Macro Port [25109]](https://www.uwcamerastore.com/media/catalog/product/cache/585a9f53153ae04cde57614e2eac8117/2/5/25109.jpg)
A flip adapter is a mounting system that allows you to flip a wet lens in front of your underwater housing port and move it away when not needed.
Flip adapters are mainly used for macro photography, when you want to switch quickly between different magnifications during a dive.
Wide-angle wet lenses are usually not suitable for flip adapters. These lenses require precise positioning and are typically used with bayonet systems.
A single flip adapter holds one lens, while a double version allows you to switch between two macro lenses with different strengths.
Depending on the system, flip adapters are mounted in different ways. Some clamp directly onto the front of the housing port, while others are screwed into the M67 thread on the port. The right mounting method depends on your housing and preferred setup.
Using wet lenses underwater gives you a lot of flexibility, but constantly removing and reattaching them during a dive can be slow and inconvenient. A flip adapter solves this problem by allowing you to switch lenses instantly without taking them off your housing.
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