• APS-C 369.7mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • Medium format 1,436.6mm2
  • 51.4 megapixels
  • ISO 100 - 204,800
  • Detailed specifications
  • Pentax K-7
  • Pentax 645Z
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K20D
K20D vs K-7
Pentax 645D
645D vs 645Z
Successor: Pentax K-5
K-7 vs K-5
 
General
Model Number: K-7 645Z
Alternate Model Number(s):    
Camera Format: Pro SLR Pro SLR
Currently Manufactured: No Yes
Retail Price: $1299.95 $8499.95
Street Price:   $4,845.43
Date Available: 2009-07-15 2014-06-15
Tripod Mount: Yes Yes
Weight: 26.7 oz (758 g)
includes batteries
54.9 oz (1,555 g)
includes batteries
Size: 5.1 x 3.8 x 2.9 in.
(130 x 97 x 74 mm)
6.1 x 4.6 x 4.8 in.
(156 x 117 x 123 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 14.6 51.4
Sensor Format: APS-C Medium format
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 1436.64mm2 (43.80mm x 32.80mm)
Approximate Pixel Pitch: 5.07 microns 5.31 microns
Focal Length Multiplier: 1.5x 0.8x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 61 101
DxO Color Depth Score (bits): 22.6 26.0
DxO Dynamic Range Score (evs): 10.6 14.7
DxO Maximum Effective ISO Score (iso): 536 4,505
Image Capture
Image Resolution: 4672 x 3104 (14.5 MP, Other),
3936 x 2624 (10.3 MP, 3:2),
3072 x 2048 (6.3 MP, 3:2),
1728 x 1152 (2.0 MP, 3:2)
8256 x 6192 (51.1 MP, 4:3),
6192 x 5184 (32.1 MP, Other),
5376 x 4032 (21.7 MP, 4:3),
1920 x 1440 (2.8 MP, 4:3)
Image File Format: JPEG (EXIF 2.21), RAW (.PEF, .DNG) JPEG, 14-bit PEF / DNG RAW, TIFF
Continuous-mode frames/second: 5.2 3.1
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30)
1536x1024 (30)
640x416 (30)
1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
Movie File Format: AVI (Motion JPEG) MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) Pentax 645 bayonet
Lens: n/a n/a
Focal Length (35mm equivalent):    
Focal Length (actual):    
Zoom Ratio:    
Aperture Range:    
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No
Digital Zoom Values: n/a  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) 27-point SAFOX 11+ Phase Difference Detection (25 cross type focus points in the center): Spot, Select, Expanded Area AF (S, M, L), Zone Select, Auto (27 AF Points)
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to 1.5 diopter Trapezoid prism finder w/ interchangeable Natural-Bright-Matte focusing screen; Coverage: ~98%; Magnification: ~0.62x (55mmF2.8 at infinity), ~0.85x (75mmF2.8 at infinity); Diopter: -3.5 m to + 2.0 m-1; Eye Relief: ~21 mm (from view window), ~24.1 mm (from center of lens)
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.61x 0.78x
Viewfinder Magnification (nominal/claimed): 0.92x 0.62x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 921,000 dots 1,036,800 dots (345,600 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 32.0x 16.0x
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 3200 204800
Minimum ISO (native): 100 100
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) Auto, 100-204800 in 1, 1/2 or 1/3EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature 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 Speed Range: 1/8000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77-segment, Center-weighted, Spot 86K-pixel RBG sensor: Multi-segment metering, Center-weighted metering, Spot metering
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Sensitivity Priority, Shutter and Aperture Priority, USER, Movie Sensitivity Priority, Shutter & Aperture Priority; HDR Capture: Auto, Type1, Type2, Type3, Exposure Bracket Value adjustable, Auto Align (automatic composition correction function) available; Custom Image: Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing (Random, Preset 1-3, Favorite 1-3)
Self Timer: 2 or 12 seconds 2 or 12 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless P-TTL; high-speed sync, wireless sync supported with compatible flash unit
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Depends on lens n/a
Max Flash Sync: 1/180 1/125
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps -2 to +1 EV
External Flash Connection: Hot Shoe, PC-Sync Socket Hot shoe, X-sync socket
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (.PEF, .DNG) 14-bit PEF / DNG RAW, TIFF
Movie File Format: AVI (Motion JPEG) MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 3.0 Super Speed
PictBridge Compliant: No No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Wired or IR Optional wired or wireless
Connections (extended): DC input, wired remote, external stereo mic jack Micro (Type-D) HDMI, DC input, Stereo microphone jack, wired remote socket
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): <0.3 0.35
Cycle time for RAW shooting in single shot mode (seconds per frame): <0.3 0.33
Buffer size for RAW shooting in single shot mode (frames): 13 10
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.33
Camera penalizes early shutter press? No Yes
JPEG shooting speed in burst mode (fps, max resolution): 5.2 3.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 20 12
RAW shooting speed in burst mode (fps):   3.1
Buffer size for RAW shooting in burst mode (frames):   10
RAW+JPEG shooting speed in burst mode (fps):   3.1
Buffer Size for RAW+JPEG shooting in burst mode (frames):   10
Shutter lag (full AF, wide/mid): 0.09 seconds 0.16 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):   1.17 seconds
Shutter lag (prefocused, live view - DSLR):   0.385 seconds
Shutter Lag (manual focus): 0.075 seconds 0.117 seconds
Shutter lag (full AF, with flash): 0.15 seconds  
Shutter Lag (prefocused): 0.074 seconds 0.112 seconds
Shutter Lag (notes): Live View Phase-Detect Full AF: 1.2 seconds Contrast-Detect Full AF: 2.3 seconds Prefocused: 0.405 second OVF: Full AF lag, wide-area mode = 0.170s Live View: Full AF lag, Spot AF mode = 1.174s Prefocused = 0.385s
Startup Time: 0.6 seconds 1.5 seconds
Play -> Record Time: 0.1 seconds 0.7 seconds
Flash cycle time, full power: 3.7 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 740 shots 650 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary D-LI90
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary D-LI90 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: CD-ROM S-SW74/75  
OS Compatibility: Windows XP/Vista, MacOS 10.2 or later  
Miscellaneous
Notes & Features: Sensor-shift image stabilization, new 77-segment metering system, Distortion and Lateral Chromatic Aberrations correction, High Dynamic Range (HDR) image capture mode, HD Movie capture (1280x720, 1536x1024, 640x416 all at 30 frames per second), HDMI output, magnesium alloy body. New 51.4MP AA-filterless CMOS sensor, PRIME III processor, 27-point SAFOX 11 AF, 86K RGB metering, Full HD video up to 60i, tilting LCD monitor with Live View, 3fps full-res continuous burst mode.