Ewa-Marine U-B 100 Underwater Housing for SLRs w/ 82mm Filter Thread lenses

Ewa-Marine U-B 100 Underwater Housing for SLRs w/ 82mm Filter Thread lenses

Ewa-Marine U-B 100 Underwater Housing for SLRs w/ 82mm Filter Thread lenses

B&H # EWUB100 MFR # EM U-B100

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Product Highlights

  • For Large Digital SLRs
  • Lenses with Filter Threads up to 82mm
  • Submersible to 60'

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Ewa-Marine U-B 100 overview

  • 1Description

The Ewa-Marine U-B 100 housing is specially designed to fit bulky, digital SLR cameras such as the Canon 1Ds, Nikon D3, D300 and other cameras around the same size. Smaller SLR cameras can still be used in the housing. The housing is manufactured from double-laminated PVC and has an optical glass port.

The lens port is wide in order to accommodate lenses with a large diameter. Use the included C-A 77 adapter for lenses with a 77mm filter thread or the C-A 82 adapter for lenses with an 82mm filter thread. All lenses used with this housing must have internal focus.

Perfect for snorkeling, diving or for use in sandy, dusty, humid or foul weather conditions. This housing will give your camera the best possible protection while being fully operable. The housing is perfect for canoeists and other outdoor photographers that want to take pictures of wildlife while in or near the water.

If the optional BF1 lead weight is inserted, underneath the camera, it becomes even easier to reach the maximum depth of 60'. The auto focus of the camera continues 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, you must 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 volume is being utilized.

The housing has a pair of non-corrosive and seawater-resistant clamping rails which fit together for sealing. They tighten by means of screw knobs. This housing accommodates a maximum 82mm lens filter thread. The lens could be as long as 7.87" (200mm).

For large Digital SLR Cameras
Specially designed to fit the bulky, professional digital SLR cameras such as the Canon 1Ds or the Nikon D3, D300 and similar cameras
Double Laminated PVC Construction
Long lasting housing solution that is easy to maintain and packs in minimal space
Camera Functions
Accesses to all camera functions through the PVC
Compatible with Wide-Angle Lenses
Compatible with lenses with 77mm or 82mm threads
Versatile Size and Weight
Small enough to use for other sporting activities like skiing or fishing. Can change buoyancy by adding air or weight
UPC: 817062003920
In the Box
Ewa-Marine U-B 100 Underwater Housing for SLRs w/ 82mm Filter Thread lenses
  • Yellow Carry-Case
  • Initial Supply of CD5 - Silica Gel
  • Specially Profiled Foam Padding
  • 82mm Adapter
  • Step-Up 77-82mm Adapter
  • Manual for SLR-Photo Housings
  • 1-Year Warranty
  • Table of Contents
    • 1Description

    Ewa-Marine U-B 100 specs

    Construction Double-laminated PVC
    Control Type Pressure through PVC
    Controls All
    Depth Rating 60' / 20 m
    Buoyancy Positive
    Port Fixed, flat
    Internal Flash Usable Yes
    External Strobe Connector No
    TTL Compatible No
    Moisture Alarm None
    Color Clear
    Dimensions (WxHxD) 8.7 x 5.3 x 3.94 to 7.87" / 220 x 135 x 100 to 200 mm Expandable tube
    Weight (without Camera) 1.04 lb / 470 g
    Packaging Info
    Package Weight 2.2 lb
    Box Dimensions (LxWxH) 17.0 x 13.0 x 5.25"

    Ewa-Marine U-B 100 reviews

    U-B 100 Underwater Housing for SLRs w/ 82mm Filter Thread lenses is rated 4.0 out of 5 by 17.
    Rated 4 out of 5 by from VERY GOOD PRODUCT! I purchased this for pool shooting of my children and their swim teammates. I had borrowed an Ewa Marine U-A housing and liked its performance but found it incompatible with my wide-angle lens, which I needed to capture the subjects I wanted - thus my purchase of the U-B 100. It reliably keeps the camera dry and has a very sharp front lens. I am able to manipulate my Nikon D7000 video controls but it is a bit difficult - thus the four, vice five stars. Using manual controls is out of the question but shooting video and still photos are very good when shooting on automatic. I would definitely buy this again.
    Date published: 2013-07-11
    Rated 4 out of 5 by from Good way to use DSLR when kayaking I use the housing when kayaking to take much better pictures with my DSLR than I could do using a small waterproof point-and-shoot. It is much less expensive than hard plastic housings and fulfills its purpose. The one drawback is when using it with a zoom lens - the tension of the plasitic pulls the lens in, so if you want to shoot at tele, you need to prop the lens up that it can't move. I did this with a little piece of plastic I sawed to length and wedge between the body of my Canon 7-D and the adapter ring which comes with the housing and needs to be attached to the lens.
    Date published: 2011-05-22
    Rated 5 out of 5 by from Great Product Tested to 10m with 7D Product worked flawlessly with EOS 7D and Tamron 17-50 F2.8 VC lens. I added a step-down ring to accommodate the 77mm-72mm thread. You need an internal focusing lens for these bags, front element should not rotate. I got this bag because it avoids the vignette problem of 17mm wide lenses with the added front element diameter.Successfully dived to 10 meters with no problems shooting stills and video. Be aware that the bag pressure will start to conform the PVC to the camera so tightly that by 20 meter depth you can barely click the shutter and buttons may accidentally press. For shallow dives of 5meters all controls work fine with a bit of fiddling.The bag is made for auto and semi auto modes so you click the shutter and forget about any buttons while swimming/diving. Be sure to set your ISO and aperture /shutter before diving or leave it on all auto mode since it will be difficult to adjust later on.I suggest getting the lead weight from the manufacturer so the bag is less buoyant and you can dive comfortably. The bag will still pull slowly back to the surface with the weight of the camera and the lead weight depending on how much air you placed on the enclosure before closing. The deeper you plan to dive the more air you should leave in the bag. Without the lead weight the bag would be a pain to submerge and comfortably hold in any use besides snorkeling.They need a better manual with diagrams of how to use the thread placement and how to properly close the bag, you are on your own as the text is pretty vague and you could easily misjudge the pressure of the seals. EWA Marine: hire a designer or place a Youtube video with how to operation and help your customers work with the system without the guesswork involved....If I had to buy again i would get the larger U-AXP vertical bag with the hot shoe flash space. I found the on camera flash to vignette heavily with the lens and will just get shadows on most of your close up pictures. The larger pouch will also let you feel a bit more secure with the deeper dive depth of 50mt.The U-B 100 was a lot of fun and will make your work or vacation a lot more interesting. Very pleased.Be sure to rinse with fresh water after every use and that will keep the bag working for many years.
    Date published: 2010-01-22
    Rated 4 out of 5 by from Worked out great Purchased this unit to use for underwater shooting in a swimming pool. It was easy to use, and worked as expected. I used this with a Canon 5D mkII with a 16-35 MkI lens (77mm filter thread). Though the description says SLRs w/82mm Filter Thread, the unit comes with a 77mm disc and the 82mm must be purchased separately if you have a larger lens.
    Date published: 2010-09-15
    Rated 3 out of 5 by from It works well but is limited If you look at this as a relatively inexpensive and very effective way to keep your camera dry under water or in small boats like kayaks and zodiacs then it is a good solution. It is a limited one though, such as:- Access to controls on the camera and lens is very limited- If you use it above the water water drops on the front glass will screw up the autofocus. - Forget about zooming with lenses that the front element moves on, the housing will contract the lens. - It is best to just leave everything on full auto.
    Date published: 2014-08-25
    Rated 5 out of 5 by from Exactly what I was looking for This product is excellent and exactly as advertised. I was looking to protect my camera around windy, salt water beaches and while snorkeling. This case is perfect for those environments. I use it with my Sony A550 and have been able to manipulate the camera control fairly easily through the plastic. The clear plastic also allows me to use my camera in Live View and frame shots easily using the display screen instead of struggling to look through the view finder. I mainly use the housing with two lenses. The first lens is a 10-20mm wide angle (internal focus) with a 77mm filter thread. Using the included filter thread adapter, the lens fits securely in the housing. There is no vignetting in the photographs. The 2nd lens I use is an 18-55mm (external focus) with a 55mm filter thread. While the housing is not designed for externally focusing lenses, I modified an EWA Marine AV-110 Autofocus Adapter Ring (sold separately) to allow me to use it with these types of lenses. If this is something you plan on doing, take care not to have the AV-110 rub against the glass port as it could potentially scratch it if sand or other particulates are on the surface. Overall, I have been extremely satisfied with the product.
    Date published: 2010-01-28
    Rated 5 out of 5 by from Great Product I needed an underwater housing for my SLR so I could use it on a trip that would include some very basic snorkeling. Admittedly I was a little reluctant to jump in the ocean with my camera in what amounted to a plastic bag, but there was nothing to worry about because the bag worked flawlessly. It was real easy to use, the camera went in and came out quickly. Obviously it was cumbersome to use the controls underwater due to there being a thick plastic bag between fingers and the controls but it beat not having a camera that could be taken underwater. I considered buying a rigid housing that would allow for better control interface underwater but I decided since I am not a professional and since I don't do extensive underwater photography investing that much money seemed foolish. An additional bonus is this case folds up pretty small, so tucking it in my camera bag was easy.
    Date published: 2011-09-25
    Rated 4 out of 5 by from Good Inexpensive Splash+ Housing I use the housing with my 1DX. It is a great low cost option for shooting in surf and other salty, wet conditions. I have taken the Ewa-Marine UB 100 into significant surf and had no leakage, and scored great images. The lens surface is excellent in terms of minimizing water drops. A quick dunk leaves it relatively drop free. One word of caution: Hold on tight to your camera in surf conditions. I would not want to rely on the strap to hold if a powerful wave grabs ahold of your rig. Camera controls are somewhat accessible, taking some effort to turn dials through the plastic, but again, for -$$ this is well within expectations. The U-B 100 is easy to use. I can slip a camera in and have it ready for shooting in about 2 minutes. Overall, I am very pleased with this product.
    Date published: 2013-10-15
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