Secure your focus and never miss a shot underwater with the Ikelite Focus Ring Lock for Sony FE 100mm F2.8 Macro GM. Designed for underwater housings, this simple yet essential accessory prevents accidental switching between autofocus and manual focus by locking the lens focus collar in place. Made from durable, flexible material, it is easy to install, remove, and reuse—giving underwater photographers peace of mind and consistent performance during every dive.
