Compact 4K. Travel-Light. “Bulletproof”. Gates.
Legend Like it’s compact predecessor C500, the new Gates C300 MKII Housing is designed specifically to close fit the Canon EOS C300 MKII camera. That means it’s small and travel friendly.
Cinema caliber The C300 MKII Housing shares many features with its Gates cinema housing cousins including full camera and lens control, support for over 150 EF and PL mount lenses, External Monitor options, and Gates Precision ports for no-compromises image quality.
Capture Confidence Gates ‘bulletproof’ durability is naturally inherent in the C300 MKII Housing. When failure is not an option, the C300 MKII Housing is ready.
Professionals know that failure is not an option, so they never take a chance…. they take a Gates!
Key Features
Durable
"Bulletproof" machined aluminum, black type III 'hard' anodize finish and sealed with a nickel-acetate process.
Clean. Uncomplicated.
User friendly field serviceable controls are 100% mechanical. No complex mechanisms.
Simplicity = Reliability
Included Starlite ST5 External Monitor
The ultralight, feature-rich ST5 Monitor is designed specifically for the Transvideo Starlite HD5 OLED field monitor. Other External Monitors like EM43 and TVL55 are optional.
See Monitor Options tab for details.
Grip it your way.
Adjust the handle grips to fit your hand / glove and perfect control access.
FIZ Control Made Easy
Set the Focus / Iris / Zoom knobs just the way you like: close, mid or stacked. Fine lens adjustments were never easier.

2-Year Warranty
Only Gates offers a professional 2-year, renewable warranty on all housings.
Over 150 Supported Lenses
The C300 MKII Housing is designed to accommodate a wide variety of EF and PL mount lenses. Over 15o in fact.

Perfect Buoyancy and Trim
Any seasoned professional pro knows the key to stable, fluid shots is a perfectly neutral and balanced rig. Gates Trim Weight system adjusts for any lens / monitor / accessory configuration.
Precision Ports
Quality Optics means clarity, sharpness and no vignetting (cutoff dark corners) to ruin your images.
Accessories Suite
An extensive set of accessories is available for cinema, natural history, broadcast TV, research, military and many more applications.
Field Serviceable
Gates products are nearly 100% serviceable in the field.
Specifications
Controls (All Mechanical)
- Manual 3 Axis Lens Control (Focus / Iris / Zoom)
- Power
- Record/Standby
- ND Filter
- Assign 1/2 Assign 3/4
- Select / Set
- White Balance Set / Playback
- Menu
- Cancel
- Function / Backlight
Dimensions: Basic Shell
Transport size. Housing + SP80 Dome Port
- 13.8" L x 8.7" H x 8.6" W ”
- 35 cm x 22 cm x 21.8 cm
Fully assembled with Starlite monitor, handles, SP80 Dome Port
- 13.8" L x 16" H x 13.1" W ”
- 35 cm x 40 cm x 33.2 cm
Construction
- Machined Aluminum, Type III Hard Anodized finish.
- Stainless steel hardware.
Weight in Air
- Transport: 20.3 lbs / 9.2 kg (Housing + SP80 Glass Port)
Weight in Water
- Fully adjustable buoyancy / trim.
Depth Rating
- 300feet / 92meters.
Batteries
- Canon BP-A30 and BP-A60.
- Canon LP-E6 Battery required to use Starlite ST5 External Monitor
Warranty
- 2 Years Renewable. Gates Warranty Details.
C300 MKII Items Required
(Basic set. See Supported Equipment for more info)
- Canon EOS-C300 MKII Camera.
- Batteries;
- Canon BP-A30 and BP-A60.
- Canon LP-E6 Battery for use with Starlite ST5 External Monitor.
- Media.
- LENS of choice GATES Lens Compatibility Reference
- Transvideo Starlite HD5 or HD5+ LCD
Monitor Options
Included Starlite ST5 External Monitor Housing
(External Monitor housing is included with C300 MKII Housing. Transvideo Starlite HD5 is not included)
The Gates Starlite ST5 is specifically designed for the Transvideo Starlite SDI monitor / recorder (not included), a compact, smartphone-size 5.0” / 125mm color LCD. Accessible on the Starlite LCD via the ST5 housing are 'Smart Corners' with direct access to a variety of functions including histogram, vectorscope, waveform and peaking. The Startlite ST5 is a swivel-base mounted External Monitor for viewing, framing and focus at any angle -- even in bright sunlight. The ST5 is powered by connection to the C300 MKII battery, eliminating extra batteries and size.
Of course, the Starlite ST5 External Monitor housing comes with Gates 2 year renewable warranty and ‘bulletproof’ construction. Reliable, durable, dependable – the Gates hallmark since 1969.
Compact Size, Widescreen Display
5" / 125 mm widescreen display.
SDI Interface
is robust and reliable.
Assignable Button Control
Corner controls on the touch screen provide user-assignable functions.

2-Year Warranty
Only Gates offers a professional 2-year renewable warranty on all housings.
Display
- Transvideo Starlite HD5 or HD5+ (not included)
- Widescreen 5 .0 inch / 125 mm color LCD
- 1280 x 720 resolution
Controls
- Power
- Assignable x4
Dimensions
- 6.6" W x 5.5" D x 4.1" H (including shade & swivel mount)
- 16.7cm W x 14cm D x 10.4cm H
Input Formats
- HD-SDI / 3G-SDI
- Frame rates: 24P, 25p, 30p, 50i, 60i
Material
- Machined Aluminum, Type III 'Hard' Anodized finish
- Stainless steel hardware
Weight
- Dry: 3.75 lbs / 1.60 kg (w/batteries)
- In Water: 6 oz / 170g negative
Depth Rating
- 250 feet / 76 meters
Warranty
- 2-Years Renewable
Cable / Connections
- Marine-grade multi conductor cable
- Gates Pass Through bulkhead connector
Power / Run Time
- N/A -- power is received from camera
SU&C Guides
Replacement Cables
- 5000-94-080 CABLE ASSY, STARLITE, HDSDI-PWR (For all compatible housings except DEEP WEAPON / DEEP DRAGON)
- Standard Cable Length 31 in / 79 cm. Custom length available.
TVL55 External Monitor
The TVL55 External Monitor is a compact, feature-rich external monitor option for Gates broadcast and cinema caliber underwater imaging systems. Designed specifically for the TV Logic VFM-058W field monitor (not included), the TVL55 is a full 1920x1080 resolution on a 5.5" / 14cm diagonal display. A variety of focus and exposure tools are available like false color, zoom, peaking, vectorscope and waveform. Three assignable buttons give quick access to your favorite, most used functions. Of course the TVL55 is backed by Gates 2 year professional, renewable warranty and legendary customer service.
Designed for TV Logic VFM-058W Field Monitor
with access to full menus and assignable controls.
Water Blocked Cable
has a tough polyurethane jacket. A Gates original design.
Full 1920x1080 Resolution
on a 5.5in / 140mm diagonal display.
Focus and Exposure Tools
Vectorscope, waveform, peaking, false color and zoom.

2.5 Hour Run Time
from two Canon LP-E6 low profile LiOn batteries.

2-Year Warranty
Only Gates offers a professional 2-year renewable warranty on all housings.
Compatibility
- TV Logic VFM-058W Field Monitor (not included)
Contols
- Assignable x 3
- Menu / Menu Roller
- Power
Dimensions
- 7.5"W x 6.8"H x 4.3"D
- 19cm W x 17.2cm H x 11cm D
Connections
- Gates HD-SDI Bulkhead Connector
Power
- Two Canon LPO-E6 low profile batteries.
- Run time 2.5 hours.
- Other battery options available by custom order.
Construction
- Machined Aluminum, Type III 'Hard' Anodized finish
- Stainless steel hardware
- Marine grade cable with polyurethane jacket and water block
Weight
- Dry: 4.1lbs / 1.7 kg
- In Water: 1 oz / 28g negative.
Depth Rating
- 450 feet / 137 meters
Warranty
- 2-Years Renewable
Port Options
The best camera in the world can't make up for poor optics. Poor optical design and materials introduce ‘image killers’ – distortions, aberrations, degraded resolution, or vignetting. Gates family of Precision Ports are sharp and clear: the finest optics for the finest underwater images. No image killers. Professional to amateur, super wide to macro, Gates Precision Ports suit a wide range of needs, conditions and experience. Of course all ports are backed by our legendary customer support and the same standard of excellence expected of all Gates products.
Gates Lens Compatibility Reference
Gates Recommended Lenses for Flat and Dome Ports
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. Optical Note: like a SCUBA mask, flat ports yield ~20% loss of field of view (FOV) underwater.
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
SP80-8 Standard (Dome) Port
The SP80-8 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.
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.
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.
Material Options
- Anti-Reflective (AR) coated BK7 glass
Element Diameter / Clear Aperture
- 7.5in / 190mm
Dome Spherical Diameter
- 10in / 254mm
Depth Rating
- 450ft / 137m
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.
Included Accessories
Seal Check II
The Gates Seal Check II is included with every C300 MKII Housing and assures seal integrity before entering the water.
Starlite ST5 External Monitor Housing
The ultralight, feature-rich ST5 Monitor is designed specifically for the Transvideo Starlite HD5 OLED field monitor. Other External Monitors like EM43 and TVL55 are optional.
Carry Lanyard
Easy grip, transport and handling.
Travel Case
Travel Case(s) have rollers and retractable handles.
Optional Accessories
Port Rings
Support for over 45 PL and DSLR lenses.
HD-SDI / UHD-SDI Surface Feed
Need topside DP monitoring? High speed digital SDI video feed is available. 50 to over 300 feed, the link includes gold contact connectors and certified coaxial cable.
Tripod Legs
Retract tight to the housing on standby, and extend 18in / 46cm for secure, stable shots.
Tripod Adapter
Use your own underwater tripod with this adapter.
Light Bar
Secure mounting of lights or other accessories. Directly accepts several Ultralight Control Systems base mounts.
Water Alarm
An extra measure beyond [infopopup:seal-check], the Gates Water Alarm provides both visible and audible warnings. The siren is coupled directly to the housing shell and resonates directly to the water, rendering it unmistakable to a diver.
Monitor Shade Extension
For when bright conditions demand a better monitor view.
Body Cap
Special modifications are routine. You really can have it ‘just the way you like’.
Customization
Need added protection for travel or harsh setup environments? This body cap bayonets into place just like SPR's and Ports.
Support
C300 MKII Housing Images
Right-click an image and open in a new window or tab to view full size.
(C500 shown until new images are available)
C300 MKII Supported Equipment
The C300 MKII Housing standard configuration supports the EOS-C300 MKII camera, Canon BP-A30 or BP-A60. Also the SWIT 8845 for use with Starlite ST5 External Monitor
Canon Camera
EOS-C300 MKII
Lens Mounts
Canon EF
Canon PL


















































Gates Seal Check II -- Verify Housing Integrity before Entering the Water