Nikon D850 underwater housing from Sea&Sea

Nikon's follow-up to the amazing D810 is the equally impressive D850. With updates that both still and video shooters will appreciate the D850 will be a top choice for underwater shooters. The Nauticam NA-D850 is the latest release in the world's finest line of underwater camera housings. Built on a foundation of innovative product design and modern manufacturing technology, NA-D850 is the ultimate accessory for the exciting new Nikon D850 camera. NIKON D850 DSLR-Camera The new Nikon D850 combines a stunning amount of resolution - 45.7 mega pixels - with the blazing fast autofocus also found in Nikon's professional D5 camera. In the past the highest resolution Nikon bodies traded continuous shooting speed for megapixel count, but thankfully that is no longer the case. Upgraded processing allows the D850 to fire at an impressive 7 frames per second, and a large 51 shot Raw buffer provides ample runway for fast action capture. The D850 also inherits the ISO64 base sensitivity from D810. High ISO performance in low light usually gets all the attention, but this extremely low ISO level was key to the excellent sunball capture capability of the D810 camera. The D850 promises more of the same in higher resolution. The Multi-CAM 20K focus system has 153 focus points (99 cross-type sensors), and works in conjunction with a 180k pixel RGB metering sensor. This metering sensor drives the advanced Nikon exposure system, and is also used to provide scene data for 3D focus tracking, improving accuracy. A new .75x Magnification optical viewfinder is the largest found on any Nikon SLR camera, providing a clear, bright view for framing and focus. Electronic viewfinders and large LCD screens simply can't match the precision of an optical viewfinder. The D850 offers 4K video capture from the entire sensor width at up to 30 frames per second. This is a key development from Nikon for the motion capture world. Previous offerings have cropped the sensor significantly when capturing 4K, changing the field of view of the attached lens significantly. Nikon D850 Key Specifications 45.7MP BSI CMOS sensor 7 fps continuous shooting with AE/AF 153-point AF system linked to 180,000-pixel metering system UHD 4K video capture at up to 30p from full sensor width 1080 video at up to 120p 4:2:2 8-bit UHD uncompressed HDMI output while recording to card 1 XQD slot and 1 UHS II-compliant SD slot 19.4MP DX crop mode THE NAUTICAM NA-D850 UNDERWATER HOUSING Innovation, ergonomics, and reliability are the hallmarks of the Nauticam brand. Every new housing design is carefully crafted based on feedback from Nauticam users around the globe. Feedback gained from the knowledge and experience of Nauticam owners results in every new housing design being better than the last. Key camera controls are placed within an easy reach from the ergonomic, rubberized handles. An incredible amount of design resources go into crafting this layout, but that effort pays off with unmatched ease of use. Controls on the housing are placed exactly where they should be for easiest access in water, regardless of the camera layout. The right grip is mission control for the D850 camera, accessing many of the frequently used camera functions. Oversized levers are identifiable by feel, allowing tactile operation while framing with the optical viewfinder. The most frequently accessed fingertip controls (Shutter Release, Main Command Dial, and Sub Command Dial, Video Record, and AF-ON) are located here. ISO, the primary exposure control used by DSLR video shooters, is accessed by a convenient thumb lever under the right grip. INFO, useful for calling up the camera settings on the 3.2" rear color LCD, is placed at the right thumb. The Nikon D850 camera in a Nauticam NA-D850 underwater housing offers four assignable pushbuttons (AF-ON, Fn1, Fn2, and Pv) that can all be accessed from the housing handles. These custom functions can be overwhelming at first, but the creative options they unlock can be incredibly valuable in the field. In short, these assignable buttons mean less time digging through camera menus to change camera functions, and more time capturing the scene as it unfolds. There isn't a right way configure these systems. Every photographer and shooting scenario has unique demands. Some ideas are listed below: 1 Step Spd / Aperture, allows changing exposure settings in full f-stop increments. Think about changing from a wide angle scenic mode with relatively open aperture and slow shutter speed to a close focus wide angle shot that requires a closed aperture to shrink a sun-ball. My Menu, a customized panel with frequently accessed menus settings Access Top Item in MY MENU, actually jumps into a frequently accessed sub menu structure for the top level My Menu selection, saving at least two button presses. (ie min shutter speed in auto iso mode, or quickly define a preset white balance) Quickly access another metering mode, toggling between the selected metering pattern and an alternate that more appropriately evaluates the current scene. Flash disable / enable, this is a big one! Toggles external flashes on and off, allowing a switch between artificial light shooting (continuous shooting speed limited by flash recycle, and shutter speed limited by the strobe max sync speed at 1/250) to silhouette mode using only ambient light (full 7 fps continuous shooting speed, unrestricted flash sync speed). AF-area mode + AF-ON – very cool functionality, for a quick way of accessing a focus mode other than the mode currently assigned and activating it while held down. Placed at the right ring finger via the re-positioned PV lever, the current focus mode be overridden with something like auto area focus for quick grab shots where there isn't time to move the selected autofocus point, or change focus area patterns. EXTERNAL FLASH TRIGGERING The NA-D850 uses the same integrated LED flash triggering system found in NA-D5 and NA-D500. This low profile housing mounted circuit board is convenient, easy to use, and reliable. This optical flash trigger can fire at the full 7 fps of the camera, making it the ideal solution for the rapid fire fast action shooting that the D850 is so well suited for. Optical systems, with fiber optic cables linking the external flashes to the housing, are far more reliable than any electrical sync cable system. There are no connections to flood, or fragile wires to break, and nearly every popular underwater strobe supports optical triggering. The LED trigger circuitboard is mounted directly to the front of the housing, and connected to the camera with a hotshoe cable. This new system is more powerful than the hotshoe mounted LED triggers used in the past, and is compatible with all currently available optically triggered flashes! Powered by two CR2032 batteries, battery life is measured in the tens of thousands of flashes, driven by incredibly efficient electronics. With good batteries, we expect 3-5 years of service, up to 50,000 exposures. Users of legacy flashes without optical triggering are able to add accessory Nikonos (NA26074) or Ikelite (NA26075) style bulkheads for electrical flash sync. These bulkheads plug into the LED trigger board for clean cable routing, and reliable connection. The Nauticam Underwater Housing for the Nikon D850 is also compatible with the Nauticam TTL Converter (NA26308). A user installable upgrade, the converter provides accurate automatic TTL flash exposure with a number of popular flashes, and offers both optical and electrical strobe triggering in a single unit! Optical triggering, using LEDs integrated into the board and fiber optic cables, works well with modern flashes like Inon Z-240, Sea & Sea YS-D2, and more. Electrical triggering supports Ikelite DS- and Sea & Sea YS-250 strobes connected via an electrical sync cord. EASE OF USE No system is easier to assemble or break down. The camera drops into the housing with a quick release camera tray. The camera tray has an extending bracket that allows the AF-M selector to be easily positioned to match the camera. No controls need to be preset, as housing functions for dials and switches align automatically (on/off, af-m, still photo/video). The large 120mm housing port opening allows even the largest popular pro Nikon wide angle lens (14-24 /2.8G) to be used, and the camera can even be mounted in the housing with this large lens attached. Premium Professional Optics Experienced shooters know a camera is only as good as the lens in front of it, and the same is true when choosing optics for an underwater camera system. Four optically coated glass dome ports (250mm, 230mm, 180mm, and 140mm diameters) and a series of acrylic ports support popular lenses from Nikon, Sigma, and Tokina. Port configurations are extensively tested at Nauticam to determine the ideal extension ring length for best performance. INTEGRATED VACUUM CHECK AND LEAK DETECTION SYSTEM The Nauticam vacuum check and leak detection system is shipped with NA-D850 as standard equipment. Combined with an accessory vacuum valve (PN 25625), this monitoring system provides constant updates on the water tight and safe-to-dive status of the housing. A simple color coded LED lighting system lets the user know that the vacuum is solid, or that the housing is losing vacuum. Leak detection is built into the same circuit, so if there is water intrusion, an audible and visual indication will occur. The Nauticam system is temperature compensated, eliminating false alarms caused by a change in outside temperature, or from a camera heating up on an action packed dive.

The Isotta underwater housing for Nikon D850 allows to capitalize on the camera full potential and to capture amazing pictures underwater. Product details Isotta underwater housing for Nikon D850 An easy to use, highly professional product has been created through techniques and innovations gained from years of experience. The perfect handling of the Nikon D850 housing is possible by means of adjustable handles crafted to match the human hand and make holding the camera very comfortable even throughout long dives. Easy access to all key/main camera controls by means of clearly labelled laser-engraved longlasting buttons, even with gloves and drysuit gloves. An easy and quick release camera mounting plate allows the camera positioning and a lever locks the tray inside the housing. The back door has a large window anti-scratch glass for a fine camera display and optical viewfinder view and it is entirely detached from the front body to make easier the camera fitting. External viewfinders can be mounted, INON X-2 compatible.   ONE HAND OPEN/CLOSE The housing for Nikon D850 is closed with Isotta’s single handed one-turn knob. It’s the only single latch closing mechanism in the DSLR housing market. It’s fast, simple and secure thanks to its double steel pins at the bottom of the housing. PORTS AND EXTENSION RING A series of ports and extension rings are available in dedicated section. The removable port is fitted thanks to markers and a bayonet 120 mm connection to the Nikon D850. The interchangeable port bodies and extensions rings combine to allow the use of most of lenses on the market for maximum versatility and performance. TTL CONVERTER FLASH (optional) The housing for Nikon D850 features TTL Converter Electronics for Automatic flash control. It also offers the possibility to use external strobes via two standard optical light ports (trigger not included) as well as two optional Nikonos N5 or S6 sync cord bulkheads. This allows for easy mounting of any strobe and lighting set up. CONSTRUCTION AND SAFETY Only the best materials are used to manufacture our housings such anodized aluminum which is anticorodal and thermo-coated and stainless steel. A longlasting product that requires easy and simple maintenance by the user. Dual high-quality O-Ring seals protect and ensure a perfect and secure watertight for all movable and / or removable parts; a red alarm for humidity/water inside the housing is powered by a battery replaceable by the user. Working depth is 100 metres. Different accessories can be fitted by means of an M8 hole positioned on the upper side of the housing and double threaded M6 holes located on housing bottom side. Highlights Ergonomic side handles, adjustable (via optional accessory) TTL converter electronics for automatic flash control not included Two fiber optic connectors (included) Two electrical sync cord bulkheads Nikonos N5 or S6 not included Back housing completely detachable from the front housing Tray with lock for an easy fitting of the camera Single-hand closing knob for back housing One M16 hole for installation of accessories, e.g. vacuum valves or monitors Aluminum buttons and dials with engraved symbols identical to camera controls All camera controls are external Wide back display viewfinder glass Optical viewfinder Double O-Ring seals on all buttons and removable parts Moisture alarm with LED and an acoustic warning signal (replaceable battery) Removable port - 120mm bayonet Ports security latch to prevent accidental opening Wide, rubber covered feet for solid footing M8 hole located on upper side of the housing for various accessories such as focus lights Two M6 holes located on housing bottom side for different accessories such as brackets for strobes or tripods External viewfinders can be mounted, INON X-2 compatible