Pentax 645z Specification
Camera Type TTL autofocus, auto‐exposure medium format digital SLR camera
Sensor 43.8 x 32.8 mm CMOS
JPEG: 8 bits/channel Color Depth RAW: 14 bits/channel
Effective Pixels 51.4MP
Total Pixels 52.99MP
Stills: RAW (PEF/DNG), TIFF, JPEG (Exif 2.30), DCF2.0 compliant File Formats Video: MPEG‐4 AVC/H.264 (MOV) *Motion JPEG (AVI) for Interval Movie Record
JPEG: L (51M: 8256 x 6192), M (36M: 6912 x 5184), S (21M: 5376 x 4032), XS (3M: 1920 x 1440) Resolution RAW: L (51M: 8256 x 6192) TIFF: L (51M: 8256 x 6192)
JPEG: ★★★ (Best), ★★ (Better), ★ (Good), RAW + JPEG simultaneous Image Quality recording available RAW: PEF, DNG
Full HD: (1920x1080, 60i/50i/30p/25p/24p) Video Resolution HD: (1280x720, 60p/50p/30p/25p/24p)
Video Recording Up to 25 minutes Time
Image sensor cleaning using ultrasonic vibrations "DR II" with the Dust Alert Dust Removal function
PENTAX 645AF2 mount with AF coupler, lens information contacts, and Lens Mount power contacts (stainless steel) PENTAX 645AF2, 645AF and 645A mount lenses PENTAX 67 medium Lenses format lenses useable with adapter SDM function: Yes
Image Stabilization Lens‐shift type (when using SR system lens)
Metering System TTL open aperture metering using 86K pixel RGB sensor
Metering Range EV ‐1 to 21 (ISO 100 at 55mm f/2.8)
Metering Modes Multi‐segment metering, Center‐weighted metering, Spot metering
Exposure ±5 EV (1/3 EV steps or 1/2 EV steps) Compensation
Button type (timer‐control: two times the meter operating time set in AE Lock Custom Setting), Continuous as long as the shutter release button is depressed halfway
Exposure 2, 3, or 5 frames, Available with Continuous, Self‐timer, or Remote Control Bracketing
ISO Sensitivity Auto, 100 to 204,800 (EV steps can be set to 1EV, 1/2EV, or 1/3EV)
Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color,N: Daylight White, W: Cool White, L: Warm White), Tungsten, Flash, CTE White Balance 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.
Shutter Type Electronically controlled, vertical‐run, focal plane shutter
Auto: 1/4000 to 30 sec. Shutter Speeds Manual: 1/4000 to 30 sec. (1/3 EV steps or 1/2 EV steps) Bulb
Program, Sensitivity Priority, Shutter Priority, Aperture Priority, Shutter & Exposure Modes Aperture Priority, Manual, Bulb, Flash X‐sync Speed, USER1, USER2, USER3 Single Frame, Continuous (H, L), Self‐timer (12 sec., 2sec.), Remote Control (immediately, 3 sec., continuous), Multi‐exposure (available with Drive Mode Continuous, Self‐timer or Remote Control), Interval Shooting, Interval Composite
Self Timer Yes ‐ 12 seconds, 2 seconds
Remote Control Yes ‐ infrared (0 seconds, 3 seconds, continuous), cable switch
3 fps, JPEG ( L: ★★★ at Continuous H): up to 30 frames, RAW: up to 10 Burst Rate frames, TIFF: up to 12 frames
SAFOX II TTL phase‐matching autofocus with 27 AF points (25 cross type Focus System focus points in the center)
Single AF (AF.S), Continuous AF (AF.C), Manual, Focus operation AF Modes customizable
Focus Area Spot, Select, Expanded Area AF (S, M, L), Zone Select, Auto (27 AF Points)
Brightness EV ‐3 to 18 (ISO 100, at normal temperature)
Viewfinder Type Kepler‐telescopic, trapezoid prism finder
Viewfinder Approximately 98% Coverage
Viewfinder 0.62x (55mm f/2.8 at infinity); 0.85x (75mm f/2.8 at infinity) Magnification
Focusing Screen Standard: Interchangeable Natural‐Bright‐Matte focusing screen
Diopter ‐3.5 m to + 2.0 m‐1 Adjustment
Depth of Field Optical (diaphragm stop‐down), Digital Preview
Eye‐Relief Length Approximately 21 mm (from view window) Approximately 24.1 mm (from center of lens)
LCD Monitor 3.2" 1037k‐Dot Tiltable TFT Color LCD
Displayed in viewfinder and LCD panel (horizontal direction only); displayed Electronic Level on LCD monitor (horizontal direction and vertical direction)
Live View TTL using CMOS image sensor
Live View Field of 100% View
Contrast detection AF (Face Detection, Tracking, Multiple AF Points, Select, Live View Spot Autofocus Focus Peaking: On/Off
Hotshoe (P‐TTL), high speed sync and wireless with PENTAX dedicated External Flash flash, X‐Sync Socket
Flash On, Flash On+Red‐eye Reduction, Slow‐speed Sync, Slow‐speed Flash Modes Sync+Red‐eye, P‐TTL, Trailing Curtain Sync, contrast‐control‐sync, high‐ speed sync, wireless sync (available with a dedicated external flash)
Flash Exposure ‐2 to +1 EV (1/2 steps) Compensation
Flash Synch Speeds 1/125 sec
SD, SDHC*, SDXC* memory card, Eye‐Fi card, FLUCARD (*UHS‐I compatible) Storage Media Dual Card Slot: Sequential save, Save to Both Dual save, Separate RAW/JPG, Copying images between slots possible
Connection Ports: USB 3.0 (micro B), external power supply terminal, cable switch terminal, X‐sync socket, HDMI output terminal (Type D), stereo Interfaces microphone input terminal (USB Connection: MSC/PTP) Video out: HD (via HDMI), NTSC, PAL
Computer System Windows: Windows 8.1 (32 bit/64 bit) / Windows 8 (32 bit/64 bit) / Requirements 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
Rechargeable Li‐Ion battery D‐LI90 Power Supply AC adapter available: AC Adapter Kit K‐AC132 (Optional)
Material of Magnesium alloy shell over aluminum chassis Construction
Weather Resistant Yes ‐ 76 special seals
Operating 14 to 104°F / ‐10 to 40°C Temperature
Dimensions 6.1 x 4.6 x 4.8" / 15.5 x 11.7 x 12.2 cm (excluding protrusions)
Weight 54.7 oz / 1.55 kg (including battery and memory card)