Compatible Camera:

This Sea Frogs housing case  is specially designed for the Canon EOS 5D Mark III, 5D Mark IV;

The flat port is compatible with the following lenses:
Canon EF 24-105mm f/4L IS USM (manual zoom gear included)*
Lensed below Support Autofocus only
Canon EF 16-35mm f/4L IS USM 
Canon EF 24-70mm f/4L IS USM 
Canon EF 24-70mm f/2.8L
Canon EF 35mm f/1.4L
Canon EF 135mm f/2L
Canon EF 85mm f/1.4
Canon EF 35mm f/1.4L
Sigma 24mm f/1.4 for Canon EF
Tamron 18-200mm f/3.5-6.3 for Canon EF

Main Features 
Waterproof up to 40m/130ft depth
Clear view of the camera information and control function
Interchangeable lens port system
The scratch-resistant glass lens
Port for vacuum test system
Each control on the housing is clearly labeled, making it easy to learn the system
Large, easy to see buttons allow camera operation underwater, even with diving gloves
Features two 1/4-20 threaded tray mounts on the bottom of the housing for the attachment of a tray and handle system. Handles provide improved ergonomics underwater and are the foundation for your lighting mounts.
O-ring sealed with spring-loaded
Easy open latch and drop in camera loading make set-up a breeze.
Single sync cable system
Built-in water leakage sensor
Port changeable

PACKING LIST:
1x  SeaFrogs Housing for For Canon EOS 5D Mark IV/ Mark III
1x Hand strap
1x Shoulder strap
1x Extra O-ring
1x User manual
1x Clean Cloth