Compatible lenses:
Sony FE 90mm f/2.8 Macro G OSS (Manual focus available with focus gear)
Sigma 35mm f/1.4 DG Art E-mount (Manual focus available with focus gear)
Sony FE 24-70mm F4 ZA OSS (Autofocus only) Works from 35mm to 70mm
Sony FE 24-105mm F4 G OSS (Autofocus only Works from 28mm to 65mm
Materials :
Polycarbonate
ABS plastic
Optical glass
Stainless steel
EPDM rubber
O'ring sealed buttons with spring
Key features:
Interchangeable port system
Vacuum Pump System port
Sync cable port
High-quality optical viewfinder
Inbuilt leak detection sensor
Fiber optic port
Stainless steel mounting plate 1/4" Thread
Reinforced metallic bottom plate
Multi-coated optical glass lens port
Package list:
Underwater housing for A7R III
Focus gear for 90mm lens
User manual
Spare O'ring
Shoulder strap
Wrist strap
Lens protective cover
Dust-free cloth