Gates Precision Ports™ are engineered to deliver sharp, distortion-free images underwater—whether you’re shooting wide-angle, macro, or cinema-grade footage. Available in both dome and flat styles, with options in AR-coated optical glass or field-replaceable acrylic, these ports are designed to match a wide range of lenses and shooting conditions.
Built with modularity and durability in mind, Gates ports are compatible with legacy systems and stackable port rings for easy setup and adjustment. Rated to depths up to 450 ft (137 m) and backed by a 2-year renewable warranty, they’re trusted by professionals around the world for their optical clarity and field-ready performance.
ESSENTIAL PORTS
DOME PORTS
SP60-6 Dome Port
The SP60-6 is a 6in / 152 mm spherical dome port that preserves field of view (FOV) underwater, and is ideally suited for wide to fisheye imaging. Anti-Reflective (AR) coated glass or optical grade Acrylic (Perspex) versions, the latter field serviceable / replaceable.
Key Features
Versatile
For medium to wide and fisheye imaging, the SP60-6 supports a wide variety of lenses
AR Coated Glass
The SP60-6 is available with either Acrylic / Perspex dome or BK7 Anti-Reflective (AR) coated glass domes.
Field Serviceable
Field Serviceable and replaceable dome (acrylic / Perspex only)
Specifications
Material Options
- Acrylic / Perspex
- Anti-Reflective (AR) coated BK7 glass
Element Diameter / Clear Aperture
- 5.6in / 142 mm Ø
Dome Spherical Diameter
- 6 in / 15mm
Depth Rating
- 150 ft/ 45 m
SP80 Standard (Dome) Port
The SP80 preserves field of view (FOV) underwater, and is ideally suited for wide to fisheye imaging. Medium to macro, too, when paired with a macro zoom lens. Anti-Reflective (AR) coated glass or optical grade Acrylic (Perspex) versions, the latter field serviceable / replaceable.
Key Features
Versatile
For medium to wide and fisheye imaging, the SP80 supports a wide variety of lenses
AR Coated Glass
The SP80 is available with either Acrylic / Perspex dome or BK7 Anti-Reflective (AR) coated glass domes.
Field Serviceable
Field Serviceable and replaceable dome (acrylic / Perspex only)
Specifications
Material Options
- Acrylic / Perspex
- Anti-Reflective (AR) coated BK7 glass
Element Diameter / Clear Aperture
- 7.5in / 190mm
Dome Spherical Diameter
- 8in / 203mm
Depth Rating
- 450ft / 137m
SP80-8 Dome Port
The SP80-8 is an 8in / 203mm spherical dome port that preserves field of view (FOV) underwater, and is ideally suited for wide to fisheye imaging. Medium to macro, too, when paired with compatible macro zoom lenses. Anti-Reflective (AR) coated glass or optical grade Acrylic (Perspex) versions, the latter field serviceable / replaceable.
Key Features
Versatile
For medium to wide and fisheye imaging, the SP80-8 supports a wide variety of lenses
AR Coated Glass
The SP80-8 is available with either Acrylic / Perspex dome or BK7 Anti-Reflective (AR) coated glass domes.
Field Serviceable
Field Serviceable and replaceable dome (acrylic / Perspex only)
Specifications
Material Options
- Acrylic / Perspex
- Anti-Reflective (AR) coated BK7 glass
Element Diameter / Clear Aperture
- 7.5in / 190mm
Dome Spherical Diameter
- 8in / 203mm
Depth Rating
- 450ft / 137m
SP80-10 Dome Port
The SP80-10 is a 10in / 254mm spherical dome port that, like it’s smaller SP80-8 sibling preserves field of view (FOV) underwater for wide to fisheye imaging. The SP80-10 however, exhibits superior compatibility with rectilinear lenses, mitigating the soft corners classically found with dome ports in general. This particularly beneficial with certain cinema PL mount glass like Arri Master Primes and Ultra Primes.
The SP80-10 is available in Anti-Reflective (AR) coated glass only.
Key Features
Superior Rectilinear Compatibility
For medium to wide and fisheye imaging, the SP80-10 excels at rectilniear imaging, particularly with PL mount cinema lenses.
AR Coated Glass
The SP80-10 is made of optically pure BK7 Anti-Reflective (AR) coated glass domes.
Versatile
The SP80-10 is compatible with hundreds of lenses. Click the link above to Gate Lens Compatibility Reference.
Specifications
Material Options
- Anti-Reflective (AR) coated BK7 glass
Element Diameter / Clear Aperture
- 7.5in / 190mm
Dome Spherical Diameter
- 10in / 254mm
Depth Rating
- 450ft / 137m
SP110-10 Dome Port
Designed specifically for RCH, SP110-10 is a 10in / 254mm spherical dome port that, like it’s smaller SP80-8 sibling preserves field of view (FOV) underwater for wide to fisheye imaging. The SP110-10 however, exhibits superior compatibility with rectilinear lenses, mitigating the soft corners classically found with dome ports in general. This particularly beneficial with certain cinema PL mount glass like ARRI Master Primes, Fujinami Cinema Zoom’s and Anamorphic Lenses.
The SP80-10 is available in Anti-Reflective (AR) coated glass only.
Key Features
Superior Rectilinear Compatibility
For medium to wide and fisheye imaging, the SP80-10 excels at rectilniear imaging, particularly with PL mount cinema lenses.
AR Coated Glass
The SP80-10 is made of optically pure BK7 Anti-Reflective (AR) coated glass domes.
Versatile
The SP80-10 is compatible with hundreds of lenses. Click the link above to Gate Lens Compatibility Reference.
Specifications
Material Options
- Anti-Reflective (AR) coated BK7 glass
Element Diameter / Clear Aperture
- 7.5in / 190mm
Dome Spherical Diameter
- 10in / 254mm
Depth Rating
- 450ft / 137m
SP110-12 Dome Port
At a remarkable 12.6 in / 320 mm diameter, the SP110-12 stands alone, a new standard in underwater optics. Optical glass with anti-reflective coating, SP110-12 is designed for rectilinear cinema lenses, yet equally at home in natural history applications where split shots and close focus are key parameters. ARRI Master Primes, Fujinon Cinema Zoom’s and Anamorphic Lenses all benefit from this superior, ‘no compromises’ Dome Port.
The SP110-12 is available in Anti-Reflective (AR) coated glass only.
Key Features
Superior Rectilinear Compatibility
For medium to wide and fisheye imaging, the SP110-12 excels at rectilinear imaging, particularly with PL mount cinema lenses.
AR Coated Glass
The SP110-12 is made of optically pure BK7 Anti-Reflective (AR) coated glass domes.
Versatile
The SP110-12 is compatible with hundreds of lenses. Click the link above to Gate Lens Compatibility Reference.
Specifications
Material Options
- Anti-Reflective (AR) coated BK7 glass
Element Diameter / Clear Aperture
- 7.5in / 190mm
Dome Spherical Diameter
- 12.6in / 320 mm
Depth Rating
- 250ft / 76m
Standard (Dome) Port SP34A
The SP34A is a classic dome design that preserves camera field of view (FOV) underwater. The acrylic (perspex) element is field serviceable / replaceable.
Key Features
Classic Design
A simple dome element port that preserves the camera FOV at wide angles.
Field Serviceable
Field Serviceable and replaceable dome element.
Specifications
Dome Material
- Acrylic / Perspex. Field serviceable / replaceable.
Element Diameter / Clear Aperture:
- 2.8in / 71mm
Dome Spherical Diameter
- 8in / 203mm
Depth Rating
- 450ft / 137m
Optical Notes
- The SP34A Dome Port is generally compatible with cameras only at full wide. Depending on the camera, it provides little or no zoom through zoom support.
FLAT PORTS
FP60 Flat Port
A simple, versatile port option for macro work or lenses that don’t perform well with a dome port.
Key Features
Versatile
The FP80 supports a wide range of lenses for medium to macro imaging.
Acrylic (Perspex) Element
a practical material for field use, minor scratches can be polished out.
Compact Size
Fits perfectly with the Pro Action sleek profile.
Field Replaceable
The FP80 element is user-changeable in the field.
Specifications
Material
- Optical grade Acrylic / Perspex (standard)
Element Diameter / Clear Aperture:
- 5.6in / 142 mm Ø
Depth Rating
- 150 ft / 45m
Optical Notes
- Flat ports reduce Field of View (FOV) 20% underwater.
FP80 Flat Port
Due to its larger front element, the FP80 supports a variety of medium to macro lenses – including external zooms. A simple, versatile port option. Both Acrylic (Perspex) and Glass versions available.
Key Features
Versatile
The FP80 supports a wide range of lenses for medium to macro imaging.
AR Coated Glass
BK7 glass element with Anti Reflective (AR) coating is optional.
Shade
Shade choices include W075 (standard) and Macro (optional)
Field Replaceable
The FP80 element is user-changeable in the field.
Specifications
Material
- Optical grade Acrylic / Perspex (standard)
- Anti-reflective (AR) coated BK7 glass (optional)
Element Diameter / Clear Aperture:
- 7.4in / 189mm
Shades
- W075 (standard)
- Macro (optional)
Depth Rating
- 450ft / 137m
Optical Notes
- Flat ports reduce Field of View (FOV) 20% underwater.
SPECIALTY PORTS
MLA80 Macro Probe Lens Adapter
In collaboration with Venus Optics, the Gates MLA80 Probe Lens Adapter allows full submersion of the Laowa 24mm Macro Probe lens for truly unique macro imaging perspective. A long, tubular barrel with tiny lens tip can extend into the smallest of spaces, yet provide a remarkable 84° FOV, 2:1 magnification, and infinity focus. Further, the Laowa 24mm Macro covers full frame *and* larger sensors like RED Monstro from a standard Canon or Nikon mount.
Learn more about the MLA80 Macro Probe Lens Adapter
Key Features
Unique ‘Goby-Eye’ Perspective
The Laowa 24mm Macro Probe lens offer remarkable 2:1 Magnification, wide 84° at the tiny lens tip and infinity focus.
Full Housing Integration
The MLA80 directly adapts iris / focus functions to the housing controls.
7in / 178mm probe extension
Collaboration with Venus Optics allows for full submersion of the 24mm Macro Probe while retaining generous barrel extension.
Specifications
Required Components
- Laowa 24mm Macro Probe lens
- Housing dependent. Contact Gates for details.
MLA80 Construction
- Anodized Aluminum
- Stainless Steel
- ABS Polymer gears (3D Printed)
Weight, Packing
- TBA
Depth Rating
- 100 feet / 30 m
Warranty
- 2 Years . Gates Warranty Details.
- Laowa lens covered by separate warranty. Contact Venus optics for details.
MLA60 / Lawoa Macro Probe Lens Test Footage
Laowa Test Footage from Diatom Studios on Vimeo.
NIKONOS RS ADAPTER KIT
“The best camera in the world can’t make up for poor optics.”
This mantra forges Gates’ drive toward the world’s best underwater optics. The Nikonos RS Adapter Kit is evidence, enabling the worlds finest underwater images through the use of Nikonos RS lenses on Gates Digital Cinema family of housings.
Designed by Nikon specifically for underwater use, the Nikonos RS suite of lenses – 13mm fisheye, 28mm, 50mm macro and 20-35mm zoom — remain underwater glass par excellence. They have a convenient bayonet mount / release system, and are fully integrated to Gates housings with both focus and iris functions mapped directly to the housing controls – a genuinely innovative design. And of course the Nikonos RS Adapter Kit comes with Gates 2 year warranty and legendary service.
Compatible with Gates DEEP EPIC and DEEP DRAGON housings. Future compatibilities planned.
Key Features
Full Integration
Nikonos RS lens Focus and Iris controls are directly mapped to the housing controls.
Convenient Bayonet Mount / Release
Easy, fast lens change. No conflicts with Gates Seal Check system.
Compact Rig
The Nikonos RS lenses render a smaller overall system for easier travel and Natural History productions.
2-Year Warranty
Gates is synonymous with reliability and support. And only Gates offers a professional 2-year renewable warranty.
Specifications
Required Components
- Nikonos RS Lenses
- 13mm / 28mm / 50mm / 20-35mm
Construction
- Anodized Aluminum
- Stainless Steel
- ABS Polymer components
Weight
- Variable, depending on configuration
Depth Rating
- 250 feet / 76 m
Warranty
- 2 Years . Gates Warranty Details.
Support
- Nikonos RS Adapter Kit Feature Sheet
- Nikonos RS Adapter Kit Setup, Use & Care Guide
- Gates Underwater Housing General Care and Maintenance Guide
- Housing Hire / Rentals
- Find a dealer
- Contact Gates
Dual Fisheye VR Adapter
8K VR! Manufactured by Sexton Company, this adapter is a dedicated designed for Gates DW-R Housing and Canon Dual Fisheye lens. Contact Sexton Co. or Gates for more details.
Key Features
8K Underwater VR Imaging
RED RAPTOR + Canon VR Lens means high resolution VR of underwater environments
‘Off the Shelf’
Both Gates DW-R and Sexton VR Adapter are standard offerings.
Compatibility
All existing DEEP WEAPON – RAPTOR Housings can accept the Sexton Co. Adapter (optional)
Field Serviceable
DW-R and Canon VR Adapter are field serviceable. Both acrylic domes are readily replaced in a few minutes.
Specifications
Required Components
- Nikonos RS Lenses
- 13mm / 28mm / 50mm / 20-35mm
Construction
- Anodized Aluminum
- Stainless Steel
- ABS Polymer components
Weight
- Variable, depending on configuration
Depth Rating
- 250 feet / 76 m
Warranty
- 2 Years . Gates Warranty Details.
Support
- Nikonos RS Adapter Kit Feature Sheet
- Nikonos RS Adapter Kit Setup, Use & Care Guide
- Gates Underwater Housing General Care and Maintenance Guide
- Housing Hire / Rentals
- Find a dealer
- Contact Gates
CUSTOM PORTS
Custom Port
Gates Precision Ports extend to custom designs for specific applications like underwater UV imaging or Corrective Optics (CO) that adapt a specific lens for underwater imaging, and eliminating distortions / aberrations. Contact Gates to discuss your particular application.