Seafrogs Underwater housing is a new generation of lightweight and affordable product for any underwater photographer, surf photographer and other enthusiasts of water-related photography or sports.
Important:
Camera flash will not work as a normal flash inside the housing when doing macro photography (take this into account before purchasing).
The only use for camera flash is to trigger external strobe via fiber-optic cable.
Materials:
Polycarbonate
ABS plastic
Clear plate glass
Stainless steel
EPDM rubber
O'ring sealed buttons with a spring-loaded mechanism to protect your camera properly
Key features:
Double threaded front 52mm & 67mm
Dual Fiber-Optic ports
Stainless steel mounting plate (size -1/4")
Inbuilt leak detection sensor
MEIKON Full Color Red Filter for mount 67mm Cameras 
This filter can be used for waterproof camera housing underwater photography.
Fit for SLR camera / digital camera/camcorder DV with a 67mm diameter lens or Camera underwater housings with 67mm thread mount.
In order to get warm colors back, you need to filter out blue spectrum with this filter.
spectrum is filtered out from the ambient light. 
200mm Fisheye Wide Angle Lens Dome Port ( 67mm Round Adapter)
High-quality world class standard. Manufactory certificated: ISO9001 and CES and IPx8.
Amplification co-efficient: X0.7(Underwater), The design of optical glass and antireflective coating-film make the image perfect without distortion.

Package Includes:
1 x Underwater housing
1 x 67mm Red Dive Filter
1 x Wide Angle Lens Dome Port
1 x Wrist strap
1 x Shoulder strap
1 x Spare O'ring
1 x User manual