Compatible lenses:
Sony FE 16-35mm F4 ZA OSS (Zoom gear included)
Sony FE 28-70mm F3.5-5.6 OSS (Zoom gear purchase separately)
Sony FE 16-35mm F2.8 GM (Zoom gear purchase separately)
Sony FE 12-24mm F4 G (Zoom gear purchase separately)
Tamron 17-28mm F2.8 Di III RXD (Zoom gear purchase separately)
Sony FE 24mm F1.4 GM (autofocus only)
Sony FE 24-70mm F4 ZA OSS (Zoom gear purchase separately)
Sony FE 28mm F2 + Fisheye Converter SEL057FEC (autofocus only, slight vignetting)
Sony FE 28mm F2 + Ultra Wide Converter SEL075UWC (autofocus only)
Sigma 28-70mm F2.8 DG DN (manual zoom gear not available)
Sony Distagon T * FE 35mm F1.4 ZA (autofocus only)

Key features:
Interchangeable port system
Vacuum Pump System port
High-quality optical viewfinder
Inbuilt leak detection sensor
Fiber optic port
Stainless steel mounting plate 1/4" Thread
The reinforced metallic bottom plate 
Multi-coated optical glass lens port

Accessible Controls:
All functions available
Shutter button
ON/OFF
Mode selector dial
Control dial
Flash button
MENU button
AF/MF - AEL 
Enlarge button
Video record button
FN button
Control wheel
Center button
C1 button
C2 button
C3/delete button
Playback button

Package Including:
1x Underwater housing body for Sony A7C
1x WA005F Dome port
1x Zoom gear for FE 16-35mm F4 ZA
1x User manual
1x Spare O'ring
1x Shoulder & wrist strap
1x Lens protective cover
1x Clean cloth