Pentax 645Z + DFA 645 55mm/F2.8

Camera Type TTL autofocus, auto-exposure medium format digital SLR camera
Sensor 43.8 x 32.8 mm CMOS
Color Depth JPEG: 8 bits/channel
RAW: 14 bits/channel
Effective Pixels 51.4MP
Total Pixels 52.99MP
File Formats Stills: 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
Resolution JPEG: 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 Quality JPEG: ??? (Best), ?? (Better), ? (Good), RAW + JPEG simultaneous recording available
RAW: PEF, DNG
Video Resolution Full HD: (1920x1080, 60i/50i/30p/25p/24p)
HD: (1280x720, 60p/50p/30p/25p/24p)
Video Recording Time Up to 25 minutes
Dust Removal Image sensor cleaning using ultrasonic vibrations "DR II" with the Dust Alert function
Lens Mount PENTAX 645AF2 mount with AF coupler, lens information contacts, and power contacts (stainless steel)
Lenses PENTAX 645AF2, 645AF and 645A mount lenses PENTAX 67 medium 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 Compensation ±5 EV (1/3 EV steps or 1/2 EV steps)
AE Lock Button 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 Bracketing 2, 3, or 5 frames, Available with Continuous, Self-timer, or Remote Control
ISO Sensitivity Auto, 100 to 204,800 (EV steps can be set to 1EV, 1/2EV, or 1/3EV)
White Balance Auto, 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.
Shutter Type Electronically controlled, vertical-run, focal plane shutter
Shutter Speeds Auto: 1/4000 to 30 sec.
Manual: 1/4000 to 30 sec. (1/3 EV steps or 1/2 EV steps)
Bulb
Exposure Modes Program, Sensitivity Priority, Shutter Priority, Aperture Priority, Shutter & Aperture Priority, Manual, Bulb, Flash X-sync Speed, USER1, USER2, USER3
Drive Mode Single 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
Self Timer Yes - 12 seconds, 2 seconds
Remote Control Yes - infrared (0 seconds, 3 seconds, continuous), cable switch
Burst Rate 3 fps, JPEG ( L: ??? at Continuous H): up to 30 frames, RAW: up to 10 frames, TIFF: up to 12 frames
Focus System SAFOX II TTL phase-matching autofocus with 27 AF points (25 cross type focus points in the center)
AF Modes Single AF (AF.S), Continuous AF (AF.C), Manual, Focus operation 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 Coverage Approximately 98%
Viewfinder Magnification 0.62x (55mm f/2.8 at infinity); 0.85x (75mm f/2.8 at infinity)
Focusing Screen Standard: Interchangeable Natural-Bright-Matte focusing screen
Diopter Adjustment -3.5 m to + 2.0 m-1
Depth of Field Preview Optical (diaphragm stop-down), Digital

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
Electronic Level Displayed in viewfinder and LCD panel (horizontal direction only); displayed on LCD monitor (horizontal direction and vertical direction)
Live View TTL using CMOS image sensor
Live View Field of View 100%
Live View Autofocus Contrast detection AF (Face Detection, Tracking, Multiple AF Points, Select, Spot
Focus Peaking: On/Off
External Flash Hotshoe (P-TTL), high speed sync and wireless with PENTAX dedicated flash, X-Sync Socket
Flash Modes Flash 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)
Flash Exposure Compensation -2 to +1 EV (1/2 steps)
Flash Synch Speeds 1/125 sec
Storage Media SD, 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
Interfaces Connection 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
Power Supply Rechargeable Li-Ion battery D-LI90
AC adapter available: AC Adapter Kit K-AC132 (Optional)
Material of Construction Magnesium alloy shell over aluminum chassis
Weather Resistant Yes - 76 special seals
Operating Temperature 14 to 104°F / -10 to 40°C
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)