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Sea Frogs SF-A7II (Sony A7 II/A7R II/A7S II 28-70/16-35/24-70mm)

Manufacturer: Sea Frogs
Availability: Usually ships in 1-2 weeks, on request only, no refunds

Sea Frogs SF-A7II polycarbonate underwater housing with interchangeable lens port system specially designed for Sony A7 II/A7R II/A7S II with the 28-70 mm, 16-35 mm, 24-70 mm lens. It allows your Sony A7 MKII camera shooting underwater down to 40 meters (130 feet) to discover the world of the underwater.

Price $428.00

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Sea Frogs SF-A7II polycarbonate underwater housing with interchangeable lens port system specially designed for Sony A7 II/A7R II/A7S II with the 28-70 mm, 16-35 mm, 24-70 mm lens. Explore a whole new world of underwater photography with the new Sea Frogs SF-A7II 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.


  • Housing molded of corrosion free clear polycarbonate, durable and resistance to corrosion
  • Clear view the camera information and control function
  • Large, easy to see buttons allow camera operation underwater, even with diving gloves
  • Ensures that camera stays clean and dry
  • Perfect in humid and wet conditions, salt spray, dust or snow, ideal for diving, surfing, snorkeling, skiing, yacht or other activities
  • The housing also features an interchangeable port system
  • Provides mechanical controls for all essential camera functions except the zoom
  • O-ring sealed with spring-loaded
  • Easy open latch and drop in camera loading make set-up a breeze.
  • Three 1/4″ tripod screw on the bottom
  • Nikonos 3 pin bulkhead connector for external flash
  • The MK-A7II is offered as standard equipment with a 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
  • Waterproof to 40 metres depth
  • Working temperature: 0℃  to 40℃(32°F to 104°F)

Compatible lenses :

  • (SEL-2870Z) Sony FE 28-70mm F3.5-5.6 OSS
  • (SEL-2470Z) Sony FE 24-70mm F4 ZA OSS Carl Zeiss Vario Tessar T*
  • (SEL-1635Z) Sony Vario-Tessar T* FE 16-35mm F4 ZA OSS 
  • Sony FE 50mm F1.8
  • Sony FE 50mm F2.8 Macro
  • Sony FE 55mm F1.8 ZA Carl Zeiss Sonnar T*


  • The focal length must be set prior of inserting the camera inside the housing!
  • Fully functional with A7 II
  • Can be used for A7R II & A7S II, however If you want to use S and R models of A7 II camera inside this housing, please be aware that mode selector wheel will not work, because of button lock mechanism. This means you will be shooting only in one mode while the camera is inside underwater housing.

Sony II Review

Sony's Alpha A7 Mark II is the successor to the original A7 and becomes the fourth full-frame mirrorless camera in the serie. Excellent 5-axis sensor-shift image stabilization; Sensor-shift IS brings stabilization to nearly any lens. The Sony A7 II is an image-stabilized full frame mirrorless camera, the fourth release in Sony's a7 lineup and the follow up the original a7. the 24.3-million-pixel CMOS sensor and Bionz X processor are carried across from the A7, meaning it has the same ISO range of 100-25,600, which can be expanded to as low as ISO 50 when required.

Sony A7 II specification highlights

  • 24.3MP Full Frame CMOS sensor
  • 5-axis sensor-based image stabilization
  • 1200-zone metering system
  • 3-inch tilting LCD with 1.23 million dots (640x480, RGBW)
  • 2.36M dot OLED viewfinder
  • 1080 footage at up to 50Mbps (XAVC S)
  • ISO 50-25,600 sensitivity range
  • 0.5inch, 2.4-million-dot EVF
  • 117 AF points (phase-detection AF) 25 AF points (Contrast-Detect AF)
  • E-mount with support for FE, E, and A-mount lenses (with adapter)
  • Bionz X image processor
  • Wi-Fi with NFC capability and downloadable apps
All camera functions except zoom
Material polycarbonate, ABS plastic,clear plate glass,stainless steel, EPDM rubber
Width 185 mm including controls
143 mm including controls
183 mm including controls
1112 g
Near neutral in freshwater
Depth Rating
130 ft (40 m)
Built-in Flash
Strobe Connection
Tray Mounting
NC1/4" thread
Port Outer Diameter NA
Blue Water Filter NA
Green Water Filter
Use 46mm Lenses
Use 67mm Lenses
Use Bayonet Lenses
    • Waterproof Case SF-A7II
    • Nylon landyard
    • Neck strap
    • Spare O-ring
    • Lens cap
    • Lens cleanning tissue
    • User´s 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