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NA-645DF Underwater Housing for the Phase One 645DF+ (IQ Digital Backs)

MFR Part #: 17502
Samy's Part #: S-030849
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Nauticam proudly announces the NA-645DF Underwater Housing for the Phase One 645DF+. This housing package redefines professional underwater imaging, setting new standards for the highest resolution, fastest flash sync speed, and greatest dynamic range available in any underwater camera system.

NOTE: Lens Dome Shown Not Included!

The Nauticam NA-645DF Housing is designed with the photographer’s in water experience in mind. Careful design attention results in intuitive, convenient access to key controls (shutter release, f-stop, shutter speed, AE-L, and four digital back push buttons) from the housing handles. The housing back is oversized to yield near neutral buoyancy and excellent front-back balance. Configured for the Phase One 28mm wide angle lens with a 9” glass dome port, the housing is perfectly balanced, and .7kg negatively buoyant. When set up with a flat port system and Phase One 120mm macro, the entire system is .15kg negatively buoyant.

The acclaimed Nauticam Patented Locking Port Release Lever is incorporated into the NA-645DF housing. Lens ports are inserted straight into the Nauticam mount, eliminating the twisting or threading actions that can extrude dry o-rings. Once seated, the large red port lock lever is engaged, securely locking the port in place. To remove a lens port, the silver unlock button is pressed, the port lever rotated to the outer position, and the port is pulled straight out of the housing. Fast. Simple. Secure.The Phase One 645DF is an open platform medium format SLR camera body with professional grade build quality.  645DF has excellent ergonomics, with key camera controls easily accessed from the right grip, and easy menu access via the four keys on the digital back.  All Phase One Digital focal plane, Schneider Kreutznach leaf shutter, Mamiya AFD lenses can be used.  The mirror and viewfinder of the Phase One 645DF are approximately three times the size of a 35mm full frame system, offering greater control of focus and framing.

The housing back is sealed with three locking stainless steel latches. Safety buttons eliminate the chance of accidental opening. Only the finest materials and cutting edge manufacturing processes are used to make Nauticam housings. The housing body is machined from solid aircraft grade aluminum, then hard anodized making it impervious to salt water. Marine grade stainless steel is used in all fasteners. Nauticam flat ports are optically coated glass. Both AR coated glass and optical grade acrylic flat ports are available. A scratch resistant coating protects even the acrylic lcd windows.

Nauticam uses a sophisticated overmold process to produce extremely comfortable rubberized ergonomic hand grips. The soft feel and ergonomic design make the housing easy to grip and minimize hand fatigue on long dives. Both single and double handle configurations are available for complete customization, and each handle can be adjusted laterally allowing the user to dial in perfect fit.

Nauticam’s optional accessory viewfinder provides a crystal clear life size view of the camera’s optical viewfinder through a diving mask. The patented external dioptric adjustment allows eye relief to be fine tuned in water. High quality optics eliminate distortion and keep color fringing to an absolute minimum. The edge to edge, magnified viewfinder image makes confirming fine focus and checking corner composition an absolute breeze.

  • Patented Locking Port Release Lever
  • Patented Sensitive Two Stage Shutter Release Lever
  • Rubberized Ergonomic Grips
  • Dual Flash Connectors (Nikonos, Ikelite, and S6 Available)
  • Embossed Control Function Labels
  • Quick Release Camera Mounting Shoe
  • Lens Release Button
  • Four Strobe & Accessory Base Mounting Locations
  • Complete Access to All Key Camera Controls (except depth of field preview)
  • 0.66x Optical Pickup Finder (Enhanced 180 deg Viewfinder with Patented External Diopter Adjustment Optional)
  • Audible and Visual Leak Alarm

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Underwater Housing Information
Material Aluminum
Controls Mechanical
Depth Rating 70 Meters
External Flash Connector Yes
Dimensions 370mm w x 200mm tall x 215mm deep (includes handles)
Weight 4.3kg (not including camera, lens, or port)
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