| 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 lensesPENTAX 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 |
| Computer System Requirements |
Windows: 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 |
| 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) |