Pentax 645Z Medium Format DSLR Camera (Body Only)

BH #PSW15C7IDT
Pentax
Pentax 645Z Medium Format DSLR Camera (Body Only)
Key Features
  • 51.4MP CMOS Sensor - 43.8 x 32.8 mm
  • Prime III Image Processor
  • Anti-Alias Filter-Less Design
  • 3.2" 1037K Dot Tiltable Air-Gapless LCD
The 645Z Medium Format DSLR Camera (Body Only) from Pentax features a 43.8 x 32.8 mm CMOS sensor with 51.4 effective megapixels. The sensor is designed without an anti-aliasing filter to maximize sharpness and details. RAW files can be recorded at 14-bit and saved using either the proprietary PEF format or Adobe's DNG format. 
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645Z Medium Format DSLR Camera (Body Only) Overview

  • 1Description
  • 251.4 MP CMOS Sensor
  • 3Anti-Aliasing Filter-Less Design
  • 4RAW Capture
  • 5Prime III Image Processor
  • 6ISO 100 to 204800
  • 7Full HD 1080 Video Capture
  • 8Interval Shooting with 4K Output
  • 93.2" 1,037k-dot Tilting Air-Gapless LCD
  • 10Pentaprism Viewfinder
  • 11SAFOX II Autofocus Module
  • 12Real Time Scene Analysis with 86,000 Pixel Sensor
  • 13Multi-Pattern Auto WB system
  • 14Durable, Weather-Sealed Form Factor
  • 15Dual Memory Card Slot and FLU Card Compatibility
  • 16Lens Compatibility
  • 17Additional Features

The 645Z Medium Format DSLR Camera (Body Only) from Pentax features a 43.8 x 32.8 mm CMOS sensor with 51.4 effective megapixels. The sensor is designed without an anti-aliasing filter to maximize sharpness and details. RAW files can be recorded at 14-bit and saved using either the proprietary PEF format or Adobe's DNG format. 

An ISO range from 100-204,800 and high S/N ratio provides low noise, low light capability, and the Prime III image processor lends itself to fast image capture with a maximum of 3 fps continuous shooting. The SAFOX II autofocus module utilizes 27 autofocus points including 25 cross-type sensors and 3 AF sensors dedicated for low light focusing. The new Real Time Scene Analysis System features an 86,000 pixel RGB light-metering sensor for enhanced accuracy of exposure, white balance, and auto-focusing.

Full HD 1080 60i/30p/24p video capture is supported in the H.264 format with a dedicated button for instant switchover from stills to video. An external microphone jack enables high quality audio recording with manual sound level control and monitoring. An HDMI port outputs HD images to HDTVs and a USB 3.0 jack enables fast image transfer to your computer. Interval recording for time-lapse videos is supported with an output of UHD 4K resolution.

A 3.2", 1037k-dot, tilting, air-gapless, LCD monitor enables live view composition and playback viewing from a various angles and a trapezoid-shaped glass prism viewfinder with Kepler telescope-type eyepiece unit provides traditional eye-level composition. The design of the viewfinder also helps to achieve the relatively compact size of this medium format camera. The 645Z is extremely durable with an aluminum alloy chassis, magnesium alloy shell, and 76 specific weather seals to keep out moisture and dust. It is a camera designed for field as well as studio and can operate in temperatures from 14-104°F. 

The camera body also features a deep set ergonomic grip, ideal for hand-held shooting, easy-to-access buttons, and a top-plate, sub-LCD screen that is angled up for easier visibility of camera information. A hot shoe mount is supported, and in addition to the tripod socket on the camera's base, a second tripod socket is located on the side of the camera for convenient and stable tripod shooting in the vertical position. Two SD slots are provided for versatile image storage and both Flucards and Eye-Fi cards are compatible for wireless image transfer. A free plug-in is available for seamless tethered shooting support in conjunction with Adobe Photoshop Lightroom, along with the USB 3.0 output for fast performance.

The 645Z is compatible with the new FA autofocus lenses as well as older 645 lenses and with Pentax 67 medium format lenses when used with an adapter.

51.4 MP CMOS Sensor

The 645Z offers a 43.8 x 32.8 mm 51.4MP CMOS sensor, which is ideal for ultra-high resolution imaging, large printing applications, and cropping flexibility. Compared to a CCD sensor, a CMOS sensor provides higher ISO sensitivity, expanded uses for live view, faster continuous shooting, and improved movie recording capabilities.

Anti-Aliasing Filter-Less Design

The optical, low-pass, anti-aliasing filter found in most CMOS sensors has been removed from the 645Z design to maximize image sharpness and fine details.

RAW Capture

RAW files can be recorded at 14-bit and saved using either the proprietary PEF format or Adobe's DNG format for greater post-production control and flexibility.

Prime III Image Processor

The 645Z offers a fast frame rate of 3.0 fps, quick image processing to rapidly review images, and swift image transfer with USB 3.0 computer connection.

ISO 100 to 204800

A sensitivity range from ISO 100 to 204800 along with enhanced noise reduction capabilities enables effective low-light capture.

Full HD 1080 Video Capture

The 645Z supports full HD movie capture in the H.264 format at 60i, 30p and 24p, including the ability to switch from still image to video recording with the flip of a dedicated switch. Equipped with a built-in stereo microphone and a terminal for external microphone connection, the user can also adjust the audio recording level manually and visually monitor sound levels during recording.

Interval Shooting with 4K Output

In-camera time lapse sequences can also be recorded using the built-in intervalometer, allowing up to 2000 shots to be recorded with 2 second to 24 hour delays, and output as 4K (3840 x 2160) files.

3.2" 1,037k-dot Tilting Air-Gapless LCD

A 3.2", 1,037k-dot, air-gapless, LCD monitor is available and features a tilting design (-35° down and +125° upward) to benefit use from high or low viewing positions. An electronic level gauge can be utilized with either the viewfinder or LCD monitor during shooting, and when working in live view, a variety of grid overlays and manual focus peaking can be used for greater focusing accuracy.

Pentaprism Viewfinder

A large, trapezoidal-shaped, glass pentaprism with Kepler telescope-type eyepiece enables bright and clear eye-level finding with 98% frame coverage.

SAFOX II Autofocus Module

The SAFOX II autofocus module maximizes 27 AF sensors and a vast light sensitivity range of -3EV to +18EV. The new focus module includes 25 cross sensors and three AF sensors dedicated to low light focusing.

Real Time Scene Analysis with 86,000 Pixel Sensor

The new Real Time Scene Analysis System features an 86,000 pixel RGB light-metering sensor and improved algorithms that further enhance accuracy of exposure, white balance, and auto-focusing.

Multi-Pattern Auto WB system

A Multi-Pattern Auto WB system can be used to intelligently adjust white balance settings when mixed lighting is prevalent. For example, if both flash and ambient lighting are utilized, different white balance settings are used within the different regions of an image to more accurately portray overall color balance.

Durable, Weather-Sealed Form Factor

Offering a compact build for a medium format camera, the 645Z provides an ergonomic grip, large buttons, and 76 specific weather-seals to protect the camera from moisture, sand, and dust. It is capable of shooting in temperatures ranging from 14-104°F, and its aluminum alloy chassis and magnesium alloy body are durable for years of service in studio or on location.

Dual Memory Card Slot and FLU Card Compatibility

Dual slot SD/SDHC/SDXC memory card support ensures fast and reliable storage for high resolution image files, simultaneously saving in multiple formats, assigning images to different cards based on their original format, or easily holding one memory card in reserve. In addition to standard SD cards, the 645Z is compatible with Eye-Fi and Flucards for wireless image transfer and with the Pentax Flucard remote camera control from a compatible smart devise.

Lens Compatibility

The 645Z is compatible with new D FA autofocus lenses as well as older 645 lenses as well as Pentax 67 lenses via an optional adapter.

Additional Features

  • Customizable RAW/Fx button for direct access to a common shooting settings.
  • An HDMI port outputs high definition images, video and sound to HDTVs.
  • USB 3.0 output for high speed data transmission.
  • Mirror dampening hardware minimizes the effect of camera shake and noise levels during the image capture process.
  • A second tripod socket on the camera's side enables convenient and stable vertical tripod-mounted shooting.
  • The sub LCD on the camera's top plate is angled for better visibility of camera setting information.
  • HDR (High Dynamic Range) shooting mode with RAW-format data filing.
  • A free Pentax Tethered Capture Plug-In is available for tethered in shooting conjunction with Adobe Photoshop Lightroom and its associated mobile apps. The camera must be updated to firmware version 1.21 or later in order to support tethered shooting with this plug-in.

645Z Medium Format DSLR Camera (Body Only) Specs

Imaging
Camera TypeTTL autofocus, auto-exposure medium format digital SLR camera
Sensor43.8 x 32.8 mm CMOS
Color DepthJPEG: 8 bits/channel
RAW: 14 bits/channel
Lens MountPentax 645
Effective Pixels51.4MP
Camera FormatMedium Format
PixelsActual: 52.99 Megapixel
Effective: 51.4 Megapixel
Total Pixels52.99MP
Maximum Resolution8256 x 6192
File FormatsStills: RAW (PEF/DNG), TIFF, JPEG (Exif 2.30), DCF2.0 compliant
Video: MPEG-4 AVC/H.264 (MOV) *Motion JPEG (AVI) for Interval Movie Record
ResolutionJPEG: L (51M: 8256 x 6192), M (36M: 6912 x 5184), S (21M: 5376 x 4032), XS (3M: 1920 x 1440)
RAW: L (51M: 8256 x 6192)
TIFF: L (51M: 8256 x 6192)
Image QualityJPEG: ★★★ (Best), ★★ (Better), ★ (Good), RAW + JPEG simultaneous recording available
RAW: PEF, DNG
Sensor TypeCMOS
Sensor Size44 x 33 mm
Video ResolutionFull HD: (1920x1080, 60i/50i/30p/25p/24p)
HD: (1280x720, 60p/50p/30p/25p/24p)
Image File FormatDNG, JPEG, Raw
Video Recording TimeUp to 25 minutes
Bit Depth14-Bit
Dust RemovalImage sensor cleaning using ultrasonic vibrations "DR II" with the Dust Alert function
Image StabilizationNone
Lens MountPENTAX 645AF2 mount with AF coupler, lens information contacts, and power contacts (stainless steel)
Exposure Control
LensesPENTAX 645AF2, 645AF and 645A mount lenses PENTAX 67 medium format lenses useable with adapter
SDM function: Yes
ISO SensitivityAuto, 100 to 204800
Image StabilizationLens-shift type (when using SR system lens)
Shutter TypeFocal Plane Shutter
Metering SystemTTL open aperture metering using 86K pixel RGB sensor
Shutter Speed1/4000 to 30 Seconds
Metering RangeEV -1 to 21 (ISO 100 at 55mm f/2.8)
Metering MethodCenter-Weighted Average, Multi-Zone, Spot
Metering ModesMulti-segment metering, Center-weighted metering, Spot metering
Exposure ModesAperture Priority, Manual, Program, Sensitivity Priority, Shutter Priority
Exposure Compensation±5 EV (1/3 EV steps or 1/2 EV steps)
Exposure Compensation-5 to +5 EV (1/3, 1/2 EV Steps)
AE LockButton type (timer-control: two times the meter operating time set in Custom Setting), Continuous as long as the shutter release button is depressed halfway
Exposure Bracketing2, 3, or 5 frames, Available with Continuous, Self-timer, or Remote Control
Metering Range-1 to 21 EV
ISO SensitivityAuto, 100 to 204,800 (EV steps can be set to 1EV, 1/2EV, or 1/3EV)
White BalanceAuto, CTE, Cloudy, Color Temperature, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Manual, Multi Auto WB, Shade, Tungsten
White BalanceAuto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten, Flash, CTE
Manual mode(s): Manual (up to 3 settings can be saved), Color Temperature (up to 3 settings can be saved), Copying the white balance settings of a captured image possible.
Continuous ShootingUp to 3 fps for up to 30 Frames (JPEG) / 12 Frames (TIFF) / 10 Frames (Raw)
Shutter TypeElectronically controlled, vertical-run, focal plane shutter
Interval RecordingYes
Shutter SpeedsAuto: 1/4000 to 30 sec.
Manual: 1/4000 to 30 sec. (1/3 EV steps or 1/2 EV steps)
Bulb
Self-Timer2/12-Second Delay
Exposure ModesProgram, Sensitivity Priority, Shutter Priority, Aperture Priority, Shutter & Aperture Priority, Manual, Bulb, Flash X-sync Speed, USER1, USER2, USER3
Mirror Lock-UpYes
Drive ModeSingle Frame, Continuous (H, L), Self-timer (12 sec., 2sec.), Remote Control (immediately, 3 sec., continuous), Multi-exposure (available with Continuous, Self-timer or Remote Control), Interval Shooting, Interval Composite
Video
Self TimerYes - 12 seconds, 2 seconds
Recording ModesAVI/MOV/H.264/MPEG-4
Full HD (1920 x 1080) at 24.00p/25p/29.97p/50i
HD (1280 x 720) at 24.00p/25p/29.97p/50p
Remote ControlYes - infrared (0 seconds, 3 seconds, continuous), cable switch
Burst Rate3 fps, JPEG ( L: ★★★ at Continuous H): up to 30 frames, RAW: up to 10 frames, TIFF: up to 12 frames
Recording LimitUp to 25 Minutes
Focus SystemSAFOX II TTL phase-matching autofocus with 27 AF points (25 cross type focus points in the center)
Video EncodingNTSC/PAL
AF ModesSingle AF (AF.S), Continuous AF (AF.C), Manual, Focus operation customizable
Focus AreaSpot, Select, Expanded Area AF (S, M, L), Zone Select, Auto (27 AF Points)
Audio RecordingBuilt-In Microphone (Stereo)
External Microphone Input
BrightnessEV -3 to 18 (ISO 100, at normal temperature)
Viewfinder TypeKepler-telescopic, trapezoid prism finder
Viewfinder CoverageApproximately 98%
Viewfinder Magnification0.62x (55mm f/2.8 at infinity); 0.85x (75mm f/2.8 at infinity)
Focus
Focusing ScreenStandard: Interchangeable Natural-Bright-Matte focusing screen
Focus TypeAuto and Manual Focus
Diopter Adjustment-3.5 m to + 2.0 m-1
Focus ModeContinuous-Servo AF (C), Manual Focus (M), Single-Servo AF (S)
Depth of Field PreviewOptical (diaphragm stop-down), Digital
Autofocus Points27
Eye-Relief LengthApproximately 21 mm (from view window)
Approximately 24.1 mm (from center of lens)
Autofocus Sensitivity-3 to +18 EV
LCD Monitor3.2" 1037k-Dot Tiltable TFT Color LCD
Viewfinder and Monitor
Electronic LevelDisplayed in viewfinder and LCD panel (horizontal direction only); displayed on LCD monitor (horizontal direction and vertical direction)
Viewfinder TypeOptical
Live ViewTTL using CMOS image sensor
Live View Field of View100%
Live View AutofocusContrast detection AF (Face Detection, Tracking, Multiple AF Points, Select, Spot
Focus Peaking: On/Off
External FlashHotshoe (P-TTL), high speed sync and wireless with PENTAX dedicated flash, X-Sync Socket
Viewfinder Coverage98%
Flash ModesFlash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync (available with a dedicated external flash)
Viewfinder MagnificationApprox. 0.85x
Flash Exposure Compensation-2 to +1 EV (1/2 steps)
Diopter Adjustment-3.5 to +2
Flash Synch Speeds1/125 sec
Size3.2"
Storage MediaSD, SDHC*, SDXC* memory card, Eye-Fi card, FLUCARD (*UHS-I compatible)
Dual Card Slot: Sequential save, Save to Both Dual save, Separate RAW/JPG, Copying images between slots possible
Resolution1,037,000 Dot
InterfacesConnection Ports: USB 3.0 (micro B), external power supply terminal, cable switch terminal, X-sync socket, HDMI output terminal (Type D), stereo microphone input terminal (USB Connection: MSC/PTP)
Video out: HD (via HDMI), NTSC, PAL
Display TypeTilting LCD
Computer System RequirementsWindows: Windows 8.1 (32 bit/64 bit) / Windows 8 (32 bit/64 bit) / Windows 7 (32 bit/64 bit) / Windows Vista (32 bit/64 bit), Intel Core 2 Quad or higher, 4GB or more
Mac: Mac OS X 10.9 /10.8 / 10.7 / 10.6, Intel Core 2 Quad or higher, 4GB or more
Flash
Power SupplyRechargeable Li-Ion battery D-LI90
AC adapter available: AC Adapter Kit K-AC132 (Optional)
Built-In FlashNo
Material of ConstructionMagnesium alloy shell over aluminum chassis
Flash ModesForced On, Forced On/Red-Eye Reduction, Hi-Speed Sync, Slow Sync, Slow Sync/Red-Eye Reduction, Wireless
Weather ResistantYes - 76 special seals
Operating Temperature14 to 104°F / -10 to 40°C
Dimensions6.1 x 4.6 x 4.8" / 15.5 x 11.7 x 12.2 cm (excluding protrusions)
Maximum Sync Speed1/125 Second
Weight54.7 oz / 1.55 kg (including battery and memory card)
Flash Compensation-2 to +1 EV (1/2 EV Steps)
Dedicated Flash SystemP-TTL
External Flash ConnectionHot Shoe, X-Sync Terminal
Interface
Memory Card SlotDual Slot: SD/SDHC/SDXC (UHS-I)
Connectivity2.5mm Sub-Mini, 3.5mm Microphone, HDMI D (Micro), PC Sync Socket, USB Micro-B (USB 3.1)
WirelessNone
GPSNo
Environmental
Operating Temperature14 to 104°F / -10 to 40°C
Physical
Battery1 x D-LI90 Rechargeable Lithium-Ion
Dimensions (W x H x D)6.1 x 4.6 x 4.8" / 15.5 x 11.7 x 12.2 cm (Excluding Protrusions)
Weight54.7 oz / 1.55 kg (Body with Battery and Memory)
Packaging Info
Package Weight7.55 lb
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