Nauticam has unveiled its new video camera housing for the ARRI ALEXA 35. The motion picture camera features a 4.6K ALEV 4 CMOS sensor and boasts an impressive 17 stops of dynamic range. The ALEXA 35 can record both Apple ProRES and ARRIRAW at up to 4.6K/120p resolution.

Like Nauticam’s housings for the ALEXA Mini and Mini LF, the new housing features a tray system for assembling the camera that slides into place; large buttons to control focus, iris and zoom; and the ability to drive the lens via motors. The case is compatible with a variety of batteries, while surface power is also an option. For monitoring, the Atomos Ninja V or SmallHD 503 Ultrabright can be mounted in Nauticam housings and connected via SDI bulkheads. Nauticam’s vacuum check and leak detection system is included.

The housing comes with a 250mm optically coated glass dome port and a 100mm housing extension (allowing the use of three motors for control of zoom lenses or longer lenses) for $38,929. It’s also available without the port and extension for $28,142. Pre-ordering is available now and shipping begins at the end of September.


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PRODUCT INFORMATION

INTRODUCING THE ARRI ALEXA 35 DIGITAL CINEMA CAMERA SYSTEM (INCLUDES 100MM BODY EXTENDER AND N200 250MM OPTICAL GLASS WIDE ANGLE PORT)

THE ARRI ALEXA 35 CAMERA

Building on the already impressive range of cinema cameras offered by ARRI, the ALEXA 35 fits perfectly into underwater production by offering shooters a compact and feature-rich addition to their line of ARRI cameras. It has a compact and rugged form factor similar to the ALEXA Mini, but it adds higher-end features more similar to the larger ALEXA camera. The ALEXA 35 is capable of recording both ARRIRAW and Apple ProRES to 2TB Codex drives at up to 4.6K resolution and frame rates up to 120p.

In order to take full advantage of the all-new sensor, ARRI has also developed the all-new REVEAL Color Science. Designed with feedback from colorists and cinematographers, the REVEAL Color Science creates improved color, contrast, sensitivity and dynamic range.

In addition to ARRI’s new LPL (LBUS) support, which is designed to cover ARRI’s full range of sensor sizes with optimized full sensor coverage, the ALEXA 35 can also accommodate the PL to LPL adapter, EF support and PL support.

THE NAUTICAM DIGITAL CINEMA SYSTEM FOR ARRI ALEXA 35

Easy camera preparation

Designed for both owner/operator and rental markets, the Nauticam system is very easy to set up. Armed with just a coin and Allen key, the entire lens support and control system is built on the camera base plate outside the housing. This means the rig can be built on a table, in good light, with plenty of working space. Once the camera is assembled on its tray, the entire system slides into the housing, and locks securely in place.

Lens control system

Similar to the ALEXA Mini and Mini LF cases, the ALEXA 35 case features an adjustable gear tower to control focus, iris and zoom from knurled knobs on the exterior of the case. This “diver controlled” configuration fully meets the needs of a single operator.

For more production-oriented shots that require remote operation and control, the newly designed Nauticam ALEXA 35 housing features two 15mm top rods allowing the use of mini cforce and cforce motors paired with the remote control unit. ARRI Hi-5 handheld. Unlike previous generation bodies, the motors will now drive the lens itself rather than the adjustable gear tower. With the standard housing, two motors can be mounted for short bounties. When adding the included 100mm housing extension you can mount 3 motors on the 15mm rods allowing the use of zoom lenses or longer lenses.

The case also comes with a 3/4″ Hydroflex style bulkhead allowing the power, remote, and remote monitor umbilical of other Hydroflex rental systems to be used on the Alexa Mini.

A huge range of lenses are supported, from Zeiss standard very low speeds to very large cinema-style zooms. Our port system has been tested with ARRI UWZ 9.5-18, the most sophisticated wide-angle lens ever produced, with excellent results.

Recommended Accessories for Surface Lens Control System

  • 16249 LBUS surface cable for Hi-5 hand unit for use with Nauticam Alexa 35 housing (30m)
  • 16247 Replacement of the internal LBUS cable (from the camera to the enclosure wall)
  • 16248 conversion cable for 16223 LCS cable for use with Hi-5 hand unit

Optically coated glass dome port

Our proprietary 250mm optically coated glass dome port comes with every system, and we believe it’s the best optics available for cinema lenses. The 250 mm (10 inch) dome port diameter is essential for good wide-angle imaging performance with many underwater cinema lenses. Smaller domes can work well with close-focus SLR lenses, but many cinema lenses have a longer minimum focus distance in the 0.35–0.40 m (14–16 in) range. ). Using Arri Master Prime T1.4/14mm, with its 0.4m MFD as an example, the 250mm dome delivers significantly superior results, with significantly less softness around the corners than smaller domes. The glass dome is sturdy and extremely scratch resistant. Broadband anti-reflective coatings eliminate flare, flare and ghosting from port optics. A sturdy machined aluminum shade protects the dome and provides additional flare resistance.

Battery Setups

The case comes with a V-Mount battery plate and LEMO connector for the ALEXA 35 camera. Ample space is available for a range of battery sizes to be used in the case, providing long run times. Surface-powered is also an option for all-day tethered shooting.

trim weight

The included finishing weights can be moved independently along the length of the housing pads and additional mounting points are present on the housing itself to adjust the housing to the exact needs of the shooter.

Support for external monitors

The SmallHD 503 Ultrabright or Atomos Ninja V monitor can be mounted in the Nauticam NA-503-S or Nauticam Atomos Ninja VS enclosures and connected via bulkheads and SDI cables allowing greater flexibility when positioning the monitor on the Nauticam enclosure Alexa 35.

SDI output

Accessories required for the SDI cable system

  • 25058 M16 SDI Bulkhead
  • SDI 25060 cable with a length of 0.3 m

Recommended Monitor Enclosure

  • 17925S Nauticam NA-503-S Housing for Small HD 503 Ultrabright (SDI cables and bulkhead are included)
  • 17922S Nauticam Atomos Ninja VS Enclosure (SDI cables and bulkhead sold separately)

Recommended SDI Surface Cables

  • 25064 SDI surface monitor cable 15m long
  • 25065 SDI surface monitor cable 45m long

Vacuum verification and leak detection system

The Nauticam ALEXA 35 housing features Nauticam’s field-tested vacuum verification and leak detection system that provides constant updates on the waterproof and safe status of the housing. By creating a slight vacuum inside the housing using a reliable and compact manual hand pump, the system is able to seal before entering the water as well as throughout diving. A simple color coded LED light system, easily visible on the back of the case, lets the user know the vacuum is strong or the case 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 a camera heating up during an action-packed dive.

Recommended accessories

  • 16249 LBUS surface cable for Hi-5 hand unit for use with Nauticam Alexa 35 housing (30m)
  • 16247 Replacement of the internal LBUS cable (from the camera to the enclosure wall)
  • 16248 conversion cable for 16223 LCS cable for use with Hi-5 hand unit
  • 16402 Extension ring N200 30
  • 16403 Extension ring N200 40
  • 16404 Extension ring N200 50
  • 16407 N200 Optical Glass Flat Port 180mm
  • 25058 M16 SDI Bulkhead
  • 25059 SDI Cable Extension Adapter
  • 25060 SDI cable 0.3m long (for connecting camera to SDI bulkhead)
  • 25063 SDI cable 30 m long (for connection between SDI bulkheads)
  • 25064 SDI surface monitor cable 15m long
  • 25065 SDI surface monitor cable 45m long

Technical specifications

Depth dimension: to be determined
Weight: to be determined
Dimensions: to be determined
Port opening: N200

Model Number: 16138
US retail price: $38,929

More information is available from Nauticam at: www.nauticam.com

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