Zoom gears allow access to the manual zoom function of a lens in an underwater housing. Use may require specific port extensions and may not be available for all housings and lenses.
This zoom gear is specifically designed for Sigma 8-16 mm F4.5-5.6 DC HSM lenses in underwater housings by Nauticam.
.Sigma 8-16 mm F4.5-5.6 DC HSM lenses
Zoom Gear for Sigma 8-16 mm F4.5-5.6 DC HSM by Nauticam
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