The new, updated version of this housing has come out and is available for purchase here.

SeaFrogs 40M/130FT Underwater camera housing for Sony A7R III

Some camera functions are not available inside the unit:

- Joystick button

Compatible lenses (standard port):

• Sony FE 16-35mm F/4 ZA OSS(Autofocus only, Manualzoom gear included) - Works from 17mm to 35mm
• Sony FE 24-70mm F/4 ZA OSS (No zoom available, use at 24mm only)
• Sony FE 24mm F1.4 GM (Autofocus only)
• Sony FE 28-70mm F3.5-5.6 OSS (Autofocus only, Manualzoom gear included)
• Sony FE 50mm F1.8 (Autofocus only)
• Sony FE 50mm F2.8 Macro (Autofocus only)
• Sony FE 35mm F1.4 GM Lens (Autofocus only)
• Sony FE 55mm F1.8 ZA Carl Zeiss Sonnar T* (Autofocus only)
• Sony FE 85mm F1.8 (Autofocus only)
  
  

Compatible lenses (6" flat long port):

• Sony FE 24-105mm F4 G OSS (Autofocus only, Manual zoom gear not included,purchase here)
  
• Sony FE 16-35mm F2.8 GM (Autofocus only, Manual zoom gear not included, purchase here)
• Sony FE 24-70 F2.8 GM (Autofocus only, Manual zoom gear not included, from 24 to 55mm, purchase here)
  
• Sony FE 24-70 F2.8 GM II (Autofocus only, Manual zoom gear included)
• Sigma 24-70 F2.8 DG (Autofocus only, Manual zoom gear not included, purchase here)
• Sigma 24-70 F2.8 DG DN II (Autofocus only, Manual zoom gear not included, purchase here)

Materials :

• Polycarbonate
• ABS plastic
• Optical glass
• Multi-coated optical glass
• Stainless steel
• EPDM rubber
• O'ring sealed buttons with spring
  
  

Key features:

• Vacuum Pump System port
• High-quality optical viewfinder
• Inbuilt leak detection sensor
• Interchangeable port system
• Synchro cable port
• Dual Fiber-Optic port (Sea&Sea type)
• Multi-coated optical glass standard flat port
• Stainless steel mounting plate 1/4" Thread
• The reinforced metallic bottom plate 

In order to connect an external strobe with this housing, it will require to use a Dual 5-Pin Sync Cord (purchase here) or a Single 5-Pin Sync Cord (purchase here) or a Fiber optic cable (purchase here)

Package includes:

• Underwater housing for Sony A7R III
• 6" Glass flat long port
• Standard flat port
• Zoom gear for 28-70mm lens
• Zoom gear for 16-35mm F4lens
• Zoom gear forSony FE 24-70 F2.8 GM II lens
• User manual 
• 6" Neoprene cover
• Spare O'ring (150x4mm, back)
• Silicone grease 5ml packet
• Shoulder & wrist strap
• Port mount cap
• 6" Flat Long / Short Port Neoprene cover