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 + 6" Flat Long Port with a zoom gear allows manual zoom for the Sigma 24-70 F2.8 DG DN II E-mount lens throughout its entire range.

Some camera functions are not available inside the unit:

- Joystick button
 

Compatible lenses (6" flat long port):

• Sigma 24-70 F2.8 DG DN II(Autofocus only, Manual zoom gear included)
• Sigma 24-70 F2.8 DG DN (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 not included, purchase here)
• 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)

Materials :

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

Key features:

• Vacuum Pump System port
• Inbuilt leak detection sensor
• Interchangeable port system
• Synchro cable port
• Dual Fiber-Optic port (Sea&Sea type)
• Stainless steel mounting plate 1/4" Thread
• 40m / 130ft Dept rate
• The reinforced metallic bottom plate

To connect an external strobe with this housing, it will require the use of a Dual 5-pin Sync Cord (purchase here) or, a Single 5-pin Sync Cord (purchase here) or Fiber optic cable (purchase here)

Package includes:

• Underwater housing for Sony A7R III
• 6" Glass flat long port
• Zoom gear for Sigma 24-70 F2.8 DG DN II lens
• User manual 
• Spare O'rings set (Backplate + port))
• Silicone grease 5ml packet
• Shoulder & wrist strap
• Port mount cap
• 6" Flat Long / Short Port Neoprene cover