Ewa-Marine U-BFZ100 Underwater Housing for Pro DSLRs

Ewa-Marine U-BFZ100 Underwater Housing for Pro DSLRs

Ewa-Marine U-BFZ100 Underwater Housing for Pro DSLRs

B&H # EWEMUBFZ10 MFR # EM U-BFZ100

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Expected availability: Nov 26, 2018

Product Highlights

  • Depth Rating: 32.8'
  • Easy Access to All Camera Controls
  • Built-in Glove for Manual Control
  • Double-Laminated PVC Body
  • Optically Neutral Flat Glass Lens Port
  • For Camera and Lens Up to 9.1" Long
  • Includes CA-82, RA77-82 Filter Adapter
  • Corrosion-Resistant Clamping Rail Seal
  • Carrying Case with Waterproof Interior
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Ewa-Marine U-BFZ100 overview

  • 1Description

The Ewa-Marine U-BFZ100 Underwater Housing for Pro DSLR Cameras is a double-laminated PVC waterproof case that enables you to take your professional digital SLR camera beneath the surface. A derivative of Ewa-Marine's U-BF housing, it was designed especially for the pro range of DSLR's, such as the Canon EOS 1D, the Nikon D3, the Sony Alpha 900, or the Leica S, and allows for the use of longer lenses than the U-BF.

The housing is compatible with camera/lens combinations up to 9.1" (23 cm) in length, and can accommodate cameras smaller than the pro size, either with or without an extra battery pack. With a depth rating of 32.8' (10 m), the enclosure is suitable for relatively shallow diving or shooting at or near surface level, as well as shooting around the water where you may only get splashed. Its buoyancy is positive, unless you use the optional weight BF1 or another comparable weight to make it negative. The housing has a built-in, optically neutral flat glass port.

What differentiates the U-BFZ100 from other UB-series housings is that it has not only the finger insert for operating the camera's shutter release with your right forefinger, but also an integrated glove designed for left-handed use. The glove lets you cradle the camera and lens just as you would if it were not in the housing, which is highly conducive to manual operation for getting the precise settings desired.

The housing permits easy access to all camera controls. It comes with the CA-82 adapter to connect the camera's lens to the flat front port. The adapter features an 82mm filter thread. An RA77-82 step-up ring / filter adapter is also included, enabling you to utilize smaller 77mm diameter lenses. Simply screw the RA77-82 and CA-82 together. An optional CA-77 adapter (not included) is also available for 77mm lenses, and gets fitted to the housing's front port, like the CA-82. For lenses of a smaller diameter than 77mm, you'll need to purchase a separate filter adapter to attach the lenses to the 77mm or 82mm Ewa-Marine adapter. All lenses must have internal focusing in order to be used in this housing.

Two clamping rails fit together and can be tightened via 3 screw knobs to give the housing a tight, waterproof seal. These rails are seawater-resistant to ward off corrosion. A convenient yellow carrying case with a waterproof interior is supplied with the housing.

Construction Details
  • Depth rating of 32.8' makes housing suitable for relatively shallow diving or shooting at or near surface level, as well as shooting around water where you may only get splashed
  • Buoyancy is positive, unless you use optional weight BF1 or another comparable weight, in which case it will be negative
  • Constructed from durable, double-laminated PVC
  • Two corrosion-resistant clamping rails fit together and can be tightened via 3 screw knobs to give housing a tight, waterproof seal
Control Access and Handling
  • Differentiating U-BFZ100 from other UB-series housings is fact that it has not only finger insert for operating camera's shutter release with your right forefinger, but also integrated glove designed for left-handed use
  • Glove lets you cradle camera and lens just as you would if it were not in housing, which benefits manual operation especially
  • Housing permits easy access to all camera controls
Camera Compatibility
  • Derivative of Ewa-Marine's U-BF housing, U-BFZ100 was designed especially for pro range of DSLR's, such as Canon EOS 1D, Nikon D3, Sony Alpha 900, and Leica S
  • Can also accommodate cameras smaller than pro size, either with or without additional battery pack
  • Compatible with camera / lens combinations up to 9.1" (23 cm) in length
Lens Port
  • Built-in, optically neutral, flat glass port
  • Allows for use of longer lenses than U-BF
  • Includes CA-82 adapter to connect camera's lens to flat front port. Adapter features 82mm filter thread
  • RA77-82 step-up ring / filter adapter is also included, enabling you to utilize smaller 77mm diameter lenses. Simply screw RA77-82 and CA-82 together
  • Optional CA-77 adapter is also available for 77mm lenses, and gets fitted to housing's front port, like CA-82
  • For lenses of a smaller diameter than 77mm, you'll need to purchase separate filter adapter to attach lenses to 77mm or 82mm Ewa-Marine adapter
  • All lenses must have internal focusing in order to be used in housing
UPC: 817062004354
In the Box
Ewa-Marine U-BFZ100 Underwater Housing for Pro DSLRs
  • Carrying Case with Waterproof Interior
  • Initial Supply of CD5 Drying Agent
  • Foam Padding
  • CA-82 Filter Adapter
  • RA77-82 Step-Up Filter Adapter
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Ewa-Marine U-BFZ100 specs

    Depth Rating 32.8' / 10 m
    Control Access Access to all camera functions through housing body
    Material of Construction Double-laminated PVC
    2x corrosion-resistant clamping rails tightened via 3 screw knobs
    Buoyancy Normally positive
    Negative with optional weight BF1 or another comparable weight (not included)
    Lens Port Built-in, optically neutral, flat glass port
    Diameter: 95 mm
    CA-82 filter adapter for lenses with 82 mm diameters (included)
    RA77-82 step-up ring / filter adapter for lenses with 77 mm diameters (included)
    Lenses smaller than 77 mm in diameter require optional filter adapters
    All lenses must have internal focusing
    Internal Flash Usable Yes
    External Strobe Connector No
    Moisture Alarm No
    Mount Optional Tripod Connector with Mounting Plate
    Dimensions (WxHxD) 11.2 x 7.1 x 9.1" / 28.5 x 18 x 23 cm
    Weight 0.88 lb / 0.40 kg
    Packaging Info
    Package Weight 2.25 lb
    Box Dimensions (LxWxH) 17.25 x 12.5 x 4.7"

    Ewa-Marine U-BFZ100 reviews

    U-BFZ100 Underwater Housing for Pro DSLRs is rated 2.2 out of 5 by 5.
    Rated 1 out of 5 by from Limited usefulness I purchased an Ewa-Marine U-VFZ100 for an ocean kayaking trip, to protect my Nikon D-800E. I found the product to be badly designed, over-priced, and almost impossible to use. The manufacturer's website promotes their German design and engineering. Looking at the product, it seems that all of the engineering has gone into making it as inexpensive as possible to produce. My estimate of the bill of materials (BOM) cost is perhaps $20, for a housing that retails for many times that. No engineering at all seems to have gone into making the product usable. The housing consists of an almost flat plastic bag, to which a non-functioning bellows has been solvent-welded, with an uncoated glass window at the end. A stiff, primitive three finger glove has been solvent-welded to the bottom of the bag, and a short one-finger glove for depressing the shutter release has been solvent-welded into the upper right hand corner of the bag. A long metal clamp holds the bag shut while in use. There is no provision at all to hold the camera in place, so it is necessary to hold the lens in place using the glove at all times. It can take a minute or so to insert your hand into the glove, making it impossible to simply pick up the camera and take a photograph. Ewa-Marine supplies a couple of small pieces of foam that they suggest can be used to secure the camera in place within the enclosure. I found them to be almost useless. When the camera isn't being held, it can move both laterally and vertically, or it can rotate within the case. Any of these movements make it difficult or impossible to reach the shutter button through the short finger glove. The focus button can't easily be pressed through the plastic bag, so it is necessary to use the shutter release button to focus. Unless the camera is perfectly positioned within the bag, a half-press of the shutter release is difficult or impossible to execute. The metal clamping bar is awkward when putting the camera down, as it makes the camera tilt to the right. In this position, the force of gravity shifts the orientation of the camera within the bag, almost guaranteeing that it will be out of position the next time it is picked up. The optical port is prone to fogging in warm weather. The port is attached to the camera lens by a step-up ring with a small o-ring around its circumference, so the volume of air that needs to be desiccated is very small. Ewa-marine hasn't provided any way to desiccate this area, although they supply two small pouches of silica crystals, and suggest that they should be placed into the enclosure along with the camera. This doesn't work particularly well, since the volume of air that actually needs to be desiccated is separated from the main enclosure. A far better approach would have been to provide for a small amount of silica crystals inside the space between the lens and the optical port. It's unfortunate that Ewa-Marine doesn't have a competent design engineer, because it would't take a lot to make this a much better flexible enclosure. It seems clear that their designers are not photographers. Had I kept the enclosure, I would have fabricated some means for securing the camera into position. Of course, if I were to fabricate something, I would have fabricated the whole enclosure. I would have used a good quality nitrile glove for the left hand, which would have been far easier to use than Ewa-Marine's horrible three finger affair. I wouldn't have used their awkward metal clamp, with its useless strap, and I would have provided a way to keep the optical port from fogging up. I'd like to find something positive to say about the product. If your intention is to hold the camera at all times with both hand, while taking photographs in shallow water, the product would probably be fine.
    Date published: 2013-09-03
    Rated 4 out of 5 by from Does the job I haven't submerged the housing yet, but I shot a white-water rafting TV segment with a Canon 7D and 24-105 zoom lens in it. It takes some getting used to for manual focusing, but it keeps the camera dry and it is pretty much what I expected.
    Date published: 2013-04-27
    Rated 1 out of 5 by from Poorly engineered, and almost unusable I purchased an Ewa-Marine U-VFZ100 for an ocean kayaking trip, to protect my Nikon D-800E. I found the product to be badly designed, over-priced, and almost impossible to use. The manufacturer's website promotes their German design and engineering. Looking at the product, it seems that all of the engineering has gone into making it as inexpensive as possible to produce. My estimate of the bill of materials (BOM) cost is perhaps $20, for a housing that retails for many times that. No engineering at all seems to have gone into making the product usable. The housing consists of an almost flat plastic bag, to which a non-functioning bellows has been solvent-welded, with an uncoated glass window at the end. A stiff, primitive three finger glove has been solvent-welded to the bottom of the bag, and a short one-finger glove for depressing the shutter release has been solvent-welded into the upper right hand corner of the bag. A long metal clamp holds the bag shut while in use. There is no provision at all to hold the camera in place, so it is necessary to hold the lens in place using the glove at all times. It can take a minute or so to insert your hand into the glove, making it impossible to simply pick up the camera and take a photograph. Ewa-Marine supplies a couple of small pieces of foam that they suggest can be used to secure the camera in place within the enclosure. I found them to be almost useless. When the camera isn't being held, it can move both laterally and vertically, or it can rotate within the case. Any of these movements make it difficult or impossible to reach the shutter button through the short finger glove. The focus button can't easily be pressed through the plastic bag, so it is necessary to use the shutter release button to focus. Unless the camera is perfectly positioned within the bag, a half-press of the shutter release is difficult or impossible to execute. The metal clamping bar is awkward when putting the camera down, as it makes the camera tilt to the right. In this position, the force of gravity shifts the orientation of the camera within the bag, almost guaranteeing that it will be out of position the next time it is picked up. The optical port is prone to fogging in warm weather. The port is attached to the camera lens by a step-up ring with a small o-ring around its circumference, so the volume of air that needs to be desiccated is very small. Ewa-marine hasn't provided any way to desiccate this area, although they supply two small pouches of silica crystals, and suggest that they should be placed into the enclosure along with the camera. This doesn't work particularly well, since the volume of air that actually needs to be desiccated is separated from the main enclosure. A far better approach would have been to provide for a small amount of silica crystals inside the space between the lens and the optical port. It's unfortunate that Ewa-Marine doesn't have a competent design engineer, because it would't take a lot to make this a much better flexible enclosure. It seems clear that their designers are not photographers. Had I kept the enclosure, I would have fabricated some means for securing the camera into position. Of course, if I were to fabricate something, I would have fabricated the whole enclosure. I would have used a good quality nitrile glove for the left hand, which would have been far easier to use than Ewa-Marine's horrible three finger affair. I wouldn't have used their awkward metal clamp, with its useless strap, and I would have provided a way to keep the optical port from fogging up. I'd like to find something positive to say about the product. If your intention is to hold the camera at all times with both hand, while taking photographs in shallow water, the product would probably be fine.
    Date published: 2013-08-30
    Rated 4 out of 5 by from Good water housing We use the product to film a promotional video on a swimming pool The housing is very easy to use, just add a camera and you are ready to go the only cons that have is that has leaks, is not that huge but is still a leak :/
    Date published: 2014-01-30
    Rated 1 out of 5 by from Junk, Junk, Junk I used twice and leaked both times. The first time was only a few drops but I thought maybe water dripped off my hands while I was closing the bag. The second time I made sure to check before I sealed the bag and after an hour under water at a depth of 3 feet it leaked again. Sending back.
    Date published: 2018-05-15
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