If you want to use your lens zoom function while taking photographs underwater, this zoom gear should be used. This Sea & Sea Zoom Gear is used to manually focus the Sigma Macro 70mm F2.8 EX DG lens when used in a Sea & Sea housing for any camera. Sea & Sea precision machined zoom gears are manufactured from either anodized aluminum or durable plastic polymer. Both versions are corrosion resistant. Easy to install in housing.
- Sea & Sea Zoom Gear #31136:
- For Sigma Macro 70mm F2.8 EX DG Lens
- Compatibility: Sea & Sea Housing for Any Camera
- Manufactured from Precision Machined Anodized Aluminum or Plastic Polymer
- Easy to Install
- Allows Zoom of Lens in Housing
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