Sea & Sea Zoom Gear #31151
In stock — ships from Irvine, CA
This item is currently on backorder. Order now to reserve yours, and we will ship it as soon as it is back in stock.
Sea & Sea Zoom Gear #31151 is backordered and will ship as soon as it is back in stock.
Pickup currently unavailable at In Store
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Save with Open Box or Used Purchase
Product Information
The Sea & Sea Zoom Gear #31151 is a precision machined accessory that lets a photographer manually zoom the Sigma AF 18-50mm F2.8 EX DC Macro/HSM lens, Canon mount, while that lens is mounted inside a Sea & Sea underwater camera housing.
Who it is for
This gear is for underwater photographers who shoot with the Sigma AF 18-50mm F2.8 EX DC Macro/HSM lens in Canon mount and use a Sea & Sea housing for that camera system. It lets the diver adjust zoom on this lens from outside the housing.
Key details
Sea & Sea designs this zoom gear to install into a compatible Sea & Sea housing and couple to the lens for manual zoom control. The gear is designed to install easily into a compatible Sea & Sea housing and allows manual zoom control of the lens.
Compatibility and sizing
Item #31151 is matched specifically to the Sigma AF 18-50mm F2.8 EX DC Macro/HSM lens in Canon mount, for use inside Sea & Sea underwater camera housings. A separate zoom gear, item #31144, is listed for the same lens in Nikon mount, so confirm your lens mount before ordering.
DiveCatalog.com is an authorized Sea & Sea dealer and a dive shop in Irvine, California, open since 2003. Call 888-701-4017 or start a chat if you want help confirming fit between this zoom gear, your Sigma lens, and your Sea & Sea housing.
- Lens compatibility: Designed specifically for the Sigma AF 18-50mm F2.8 EX DC Macro/HSM lens in Canon mount.
- Housing use: Built for use inside Sea & Sea underwater camera housings.
- Easy installation: Designed to install easily into a compatible Sea & Sea housing.
- Manual zoom access: Allows the diver to manually zoom the lens while it remains mounted in the housing.
| Brand | Sea & Sea |
| Item Number | 31151 |
| SKU | SS-31151 |
| Barcode (UPC) | 752221311518 |
| Compatible Lens | Sigma AF 18-50mm F2.8 EX DC Macro/HSM, Canon mount |
| Compatible Housing | Sea & Sea underwater camera housings |
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
Does this zoom gear fit the Nikon mount version of the Sigma 18-50mm lens?
No, item #31151 is made specifically for the Canon mount version of the Sigma AF 18-50mm F2.8 EX DC Macro/HSM lens. Sea & Sea lists a separate zoom gear, item #31144, for the same lens in Nikon mount, so confirm your lens mount before ordering to make sure you get the correct gear for your camera setup.
Which Sea & Sea housings can I use this zoom gear with?
This zoom gear is designed for use with Sea & Sea underwater camera housings that accept the Sigma AF 18-50mm F2.8 EX DC Macro/HSM lens in Canon mount. Because housing models vary, call 888-701-4017 or chat with DiveCatalog.com to confirm fit with your specific Sea & Sea housing before purchasing.
What material is the Sea & Sea Zoom Gear #31151 made from?
Sea & Sea does not publish material details for item #31151; call 888-701-4017 and we will confirm what we can about construction.












