ewa-marine U-BZ 100

camera not included
Camera not included with housing

The U-BZ 100 is a special version of the U-BZ housing.

It has a wider frontglass and allows in combination with the C-A 77 adapter (supplied with the housing) and C-A 82 (available as an accessory from your dealer) adapter the use of lenses with a filter thread of 77 and 82mm.
This means you can use your professional digital SLR camera like the Nikon D300, D800, D3, D4 und Canon 5D Mark II, 5D Mark III, EOS 1DX and similar cameras, with most of the professional zoom lenses currently on the market.

The fact that the U-BZ 100 can be used with up to 300m lenses, makes it speciffically interesting for canoeists and other out door photographers that want to take pictures of birds and other wild life while in or on the water.


Please note: All lenses used with this housing must have a internal focus.

Lenses with a smaller filterdiameter can also be used in this housing as long as they have an internal focus. You just need the right step-up ring.

The autofocus adapter (AV110) is not included in delivery as it is not needed for this housing.

If the optional BF1 lead weight is inserted into the housing, underneath the camera, it becomes even easier to reach the maximum depth of 20 m / 60 ft. Experienced photographers have confirmed, that the auto focus continue to function perfectly. As you descend, the air is pressed into the camera. Due to this, the pressure inside the housing will remain the same as the surrounding water pressure. (this is the reason why ewa-marine housings are so safe to use: implosions are impossible). Due to this, we have to start the dive with a suitable amount of air inside the housing. The foam pads supplied with the housing are part of this air "reservoir" and additional air should also be blown into the housing, via the valve at the rear, to ensure that the maximum potential volume is being utilised.

The U-BZ 100 housing is manufactured from double laminated PVC and has an integrated, optically neutral flat glass port. You can also use the internal flash.

It has a pair of non-corrosive and seawater resistant clamping rails which fit together for perfect sealing. They tighten by means of three screw knobs.

It is supplied in a handy yellow carry-case which has a water-proof interior.

Technical Information

width 220 mm (8.7 inches)
hight 160 mm (6 1/3 inches)
depth 170 - 230 mm (6.7 - 12.6 inches)
front port diameter 95 mm (3.74 inches)
weight 400 g (0.88 lbs)

You will receive the following with your new U-BZ 100:

  • yellow carry-case which has a water-proof interior
  • manual for ewa-marine SLR-photo housings
  • initial supply of CD5
  • specially profiled foam padding
  • C-A 77 special adapter
    (The C-A 82 is available as an accessory and can be purchased from your ewa-marine dealer) 


Optional Accessories

These accessories are availible from your local ewa-marine dealer:


All data and pictures show the current state and design at the time when this page was last edited. ewa-marine can change and improve the design of individual products at any time during the manufacturing process. For this reason products currently available on the market may differ in some details from the pictures shown on these pages. ewa-marine reserves the right not to be responsible for the topicality, correctness, completeness or quality of the information provided. Liability claims regarding damage caused by the use of any information provided, including any kind of information which is incomplete or incorrect, will therefore be rejected.
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