Customer Support
(254) 654-0522

Sea Frogs SF-A7SIII (Sony A7S-III)

Manufacturer: Sea Frogs
Availability: Usually ships in 2-3 business days
The waterproof case Sea Frogs SF-A7SIII is specially designed for Sony A7S-III. It allows your Sony A7S-III camera shooting underwater down to 40 meters (130 feet) to discover the world of the underwater. With this special design case, every main key of the Sony can be pressed to control freely as you want. Ready to mount the optional vacuum leak check circuitry and valve, use the included pump to secure your housings against leaks before your dive.

Price $532.00

Shipping cost from $50.00
Calculate shipping cost

Add to Cart

Sea Frogs SF-A7SIII Housing for Sony A7S-III

Sea Frogs SF-A7SIII Underwater Housing for Sony A7S-III. Explore a whole new world of underwater photography with the new SF-A7SIII Underwater Housing, this case provides water resistance to depths of 40 metres, as well as protecting the camera from dust, dirt and damage, making it perfect for snorkelling or scuba diving.

Product Highlights

  • Fits Sony A7S-III Digital Cameras
  • 40m Depth Rating
  • Dual O-rings
  • Lever-Type Shutter Release
  • Inbuilt leak sensor
  • Port for vacuum test system
  • Multi coated optical glass standard flat port           

Sea Frogs underwater camera housings are designed for those who are into underwater photography & videography. Just insert your digital camera in Sea Frogs UW case and you will be able to take beautiful pictures at depth up to 40 meters/130 feet. Sea Frogs products are reliable, as they are made out of high quality materials. Each housing is tested individually to prevent any accidents. Sea Frogs provides excellent quality for a reasonable price.

The primary application of this underwater housing is underwater photography/videography. However it can do a lot more by protecting your camera from weather hazards such as rain, dust, snow etc. Because of its compact size and near all functionality, it is an ideal item to have while traveling.

The following lenses can also be used with the flat port for the SEL-2870 lens:
  • Sony Vario-Tessar T* FE 16-35mm f/4 ZA OSS (manual zoom gear included, limited zoom)
  • Sony Vario-Tessar T* FE 24-70mm f/4 ZA OSS (optional manual zoom gear, limited zoom)*
  • Sony FE 24mm F1.4 GM (only in autofocus mode)
  • Sony FE 28-70mm F3.5-5.6 OSS (manual zoom gear included)
  • Sony FE 50mm F1.8 (only in autofocus mode)
  • Sony FE 50mm F2.8 Macro (only in autofocus mode)
  • Sony FE 55mm F1.8 ZA Carl Zeiss Sonnar T (only in autofocus mode)
  • Sony FE 85mm F1.8 (only in autofocus mode)
The following lenses can also be used with the flat port for the SEL-90M28G lens:
  • Sony FE 90mm f/2.8 Macro G OSS (manual focus gear included)
  • Sigma 35mm f/1.4 DG Art E-mount (manual focus gear included)
  • Sony FE 24-105mm F4 G OSS (optional manual zoom gear)*
The following lenses can also be used with the WA005-F dome port for the SEL-1635Z lens: 
  • Sony FE 12-24mm F4 G (optional manual zoom gear)*
  • Sony FE 16-35mm F/4 ZA OSS (manual zoom gear included)
  • Sony FE 16-35mm F2.8 GM (optional manual zoom gear)*
  • Tamron 17-28mm F2.8 Di III RXD (manual zoom gear not available)
  • Sony FE 24mm F1.4 GM (only in autofocus mode)
  • Sigma 24mm F1.4 DG HSM Art (only in autofocus mode)
  • Sony FE 24-70mm F/4 ZA OSS (optional manual zoom gear)*
  • Sony FE 24-105mm F4 G OSS (optional manual zoom gear)*
  • Sigma 28mm F1.4 DG HSM | Art (only in autofocus mode)
  • Tamron 28-75mm F/2.8 Di III RXD (manual zoom gear not available)
  • Sony FE 28mm F2 + Fisheye Converter SEL057FEC (only in autofocus mode, minor vignetting effect)
  • Sony FE 28mm F2 + Ultra Wide Converter SEL075UWC (only in autofocus mode)
  • Sony FE 28-70mm F3.5-5.6 OSS (manual zoom gear included)
  • Sony Distagon T* FE 35mm F1.4 ZA (only in autofocus mode)
  • Sony FE 55mm F1.8 ZA Carl Zeiss Sonnar T* (only in autofocus mode)
  • Sony FE 85mm F1.8 (only in autofocus mode)
  • Sony FE 90mm f/2.8 Macro G OSS (manual focus gear included)
* by ordering the optional focus or zoom gear ring.


  • Housing molded of corrosion free clear polycarbonate, durable and resistance to corrosion
  • The housing is rated to 40m/130ft depth, and is rugged and ready for use!
  • Ergonomic design
  • Clear view the camera information and control function
  • Ensures that camera stays clean and dry
  • Interchangeable lens port system
  • The scratch-resistant glass lens port provides full use of the camera's zoom range without vignetting.
  • Perfect in humid and wet conditions, salt spray, dust or snow, ideal for diving, surfing, snorkeling, skiing, yacht or other activities
  • Port for vacuum test system: A threaded accessory port on the side of the housing is the perfect location for the installation of the optional vacuum leak check circuitry and valve. The Vacuum system allows you to pull a vacuum on the housing to simulate pressure at depth and check for leaks prior to entering the water.
  • Provides mechanical controls for the main camera functions
  • Each control on the housing is clearly labeled, making it easy to learn the system
  • Dedicated video control button for easy video filming in any shooting mode
  • Large, easy to see buttons allow camera operation underwater, even with diving gloves
  • A top accessory shoe is available for working with an optional external flash
  • Nikonos 3 pin bulkhead connector for external flash
  • Two 1/4-20 threaded mounting points are included on the bottom of the housing for the attachment of a tray and handle system. Handles provide improved ergonomics underwater and are the foundation for your lighting mounts.
  • Easy and secure installation of camera
  • O-ring sealed with spring-loaded
  • Easy open latch and drop in camera loading make set-up a breeze.
  • The Sea Frogs housing is offered as standard equipment with a built-in leak detector that will immediately activate a loud buzzer and a LED located at the rear of the housing in the event water should find its way past the o-ring seals, the water detector is located next to O-ring sealing and at the lowest point (in usual operating position) of the case
  • Compatible with a wide range of underwater photo accessories
  • Materials:
    • Polycarbonate
    • ABS plastic
    • Optical glass
    • Stainless steel
    • EPDM rubber
  • O-ring sealed buttons with spring loaded mechanism to protect your camera properly
  • All function labels are pad printed to prevent peeling off or fading.
  • Interchangeable lens port system
  • Accurate ergonomic design and excellent underwater balance
  • Some camera functions are not available inside the unit: Front Dial below shutter release button
  • Dimensions: 
    • Width: 216.2 mm
    • Height: 174.3 mm
    • Length: 202.3 mm
  • Weight: Approx. 1.452 kg
  • Depth rating: 40 meters
  • Waterproof Case SF-A7SIII
  • Electronic Shutter Handle (SF-PG-01)
  • Leak detector
  • Wrist landyard
  • Neck strap
  • Spare O-Ring seal (back door)
  • Silicone grease
  • Lens cleanning tissue
  • 12x anti fog pads
  • User manual
Meikon provides a limited warranty to the original purchaser against all defects in original workmanship and material under normal SCUBA use and service as outlined in the owner's manual for 1 year from the date of purchase, with the following exceptions and conditions:
  • This warranty does not cover commercial or rental use.
  • Should your housing prove to be defective for any reason (other than those listed in the limitations section below) it will be repaired or replaced at Advanced Diving Technologies´ discretion, free of charge, excluding shipping and handling charges.
  • Repairs made under this warranty will not extend the warranty period
  • This warranty is non-transferable and applies to the original purchaser only.
  • All correspondence concerning this warranty must be accompanied by a copy of the original sales receipt.
  • Any flood or damage, for any reason, that is caused from flooding an O-ring sealed or water tight area will not be covered under warranty. All O-ring sealed products undergo extensive factory pressure testing before being shipped and delivered and are therefore guaranteed to be sealed and functioning when shipped from the factory.
  • Meikon/ADITECH will not be liable for any loss, damages, or expenses including incidental or consequential damages directly or indirectly arising from the sale or use of the product.
  • Meikon/ADITECH accepts no liability for any loss of captured images or the inability to capture images even if it is due to the malfunctioning or leakage of the housing.
  • All paint finishing, cosmetic discoloration of surfaces, powder coating, or material stitching that is chipped, damaged, or unthreaded through customer use is not covered in the warranty.
  • Meikon/ADITECH does not warranty any product for aesthetic finishes. Issues with surface finish that do not affect function of the product are not covered under warranty.
  • This warranty does not apply and may be rendered completely void in the event of accidental damage, abuse, overcharging of battery, flooding due to neglect, tampering, lack of care and maintenance, improper storage, or unauthorized service.
  • This warranty specifically excludes bulbs, lenses, cords, wet connectors, O-rings, fuses or other conditions resulting from misuse and negligence.
  • This warranty becomes void if the Video Housing components are damaged by anything other than normal recreational diving use.
  • Modifications or repair by anyone other than an authorized Meikon Dealer or ADITECH Service Department will void the warranty.
  • Each product is carefully examined and checked before it is shipped. It should therefore be visually and operationally checked as soon as it is received. If it is damaged in anyway, a claim should be filed with the courier and ADITECH notified of the damage.
  • By purchasing this product you agree and understand that in no event will Meikon/ADITECH, its distributors or retailers, be held liable for any personal injuries resulting from its operation, or any other damage whether direct, indirect, incidental or consequential, even if ADITECH is advised of such damages.

NOTE: If the equipment is not covered by warranty, or if it is determined that the fault is caused by misuse, repair will be billed to the customer, and an estimate submitted for customer approval before the commencement of repairs