• Medium format 1,452.0mm2
  • 40.0 megapixels
  • ISO 200 - 1000
  • 35mm 860.4mm2
  • 16.2 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Pentax 645D
  • Nikon D4S
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Nikon D4
D4 vs D4S
Successor: Pentax 645Z
645D vs 645Z
Nikon D5
D4S vs D5
General
Model Number: 645D D4S
Alternate Model Number(s):    
Camera Format: Pro SLR Pro SLR
Currently Manufactured: No No
Retail Price: $9995.95 $6499.95
Street Price: $3,599.00 $5,399.48
Date Available: 2010-12-15 2014-03-06
Tripod Mount: Yes Yes
Weight: 52.2 oz (1,480 g)
includes batteries
47.8 oz (1,356 g)
includes batteries
Size: 6.1 x 4.6 x 4.7 in.
(156 x 117 x 119 mm)
6.3 x 6.2 x 3.6 in.
(160 x 157 x 91 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer: Kodak KAF-40000  
Effective Megapixels: 40.0 16.2
Sensor Format: Medium format 35mm
Sensor size: 1452mm2 (44.00mm x 33.00mm) 860.4mm2 (36.00mm x 23.90mm)
Approximate Pixel Pitch: 6.06 microns 7.31 microns
Focal Length Multiplier: 0.8x 1.0x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: None Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score: 82 89
DxO Color Depth Score (bits): 24.6 24.4
DxO Dynamic Range Score (evs): 12.6 13.3
DxO Maximum Effective ISO Score (iso): 1,262 3,074
Image Capture
Image Resolution: 7264 x 5440 (39.5 MP, Other),
6528 x 4896 (32.0 MP, 4:3),
5376 x 4032 (21.7 MP, 4:3),
4224 x 3168 (13.4 MP, 4:3),
3072 x 2304 (7.1 MP, 4:3)
4928 x 3280 (16.2 MP, 3:2),
3696 x 2456 (9.1 MP, 3:2),
2464 x 1640 (4.0 MP, 3:2),
4096 x 2720 (11.1 MP, Other),
3072 x 2040 (6.3 MP, Other),
2048 x 1360 (2.8 MP, Other),
3200 x 2128 (6.8 MP, 3:2),
2400 x 1592 (3.8 MP, Other),
1600 x 1064 (1.7 MP, 3:2),
4096 x 3280 (13.4 MP, 5:4),
3072 x 2456 (7.5 MP, 5:4),
2048 x 1640 (3.4 MP, 5:4)
Image File Format: JPEG, 14-bit PEF / DNG Raw JPEG, NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed, small size availble (12-bit uncompressed only); TIFF (RGB)
Continuous-mode frames/second: 1.1 10.6
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p)
640x424 (30p/​25p)
Movie File Format:   MOV (Video: H.264/MPEG-4 AVC; Audio: Linear PCM)
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax 645 bayonet Nikon F
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 SAFOX IX+ Phase Difference Detection, single / continuous Nikon Advanced Multi-CAM 3500FX autofocus sensor module with TTL phase detection, fine-tuning, and 51 focus points (including 15 cross-type sensors with f/8 supported by 11 sensors)
Auto Focus Assist Light? No No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) Optical / LCD
Viewfinder Type: Trapezoid prism finder w/ Natural-Bright-Matte focusing screen; Coverage: 98%; Magnification: 0.62X (with D FA645 55mm F2.8 lens at infinity) SLR; eye-level pentaprism, 100% coverage, 0.7x magnification, 18mm eyepoint, -3 to +1 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.78x 0.70x
Viewfinder Magnification (nominal/claimed): 0.62x 0.70x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 921,000 dots (307,000 px) 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   46.0x
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 1000 25600
Minimum ISO (native): 200 100
ISO Settings: Auto (with programmable limits), 200 to 1000 in 1, 1/2 or 1/3 EV steps; expandable to 100 and 1600 Auto, 100 - 25,600, plus down to 50 in Lo-1, up to 409,600 in Hi-4
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Fluorescent ( D / N / W / L), Tungsten, Flash, CTE, Manual 1 / 2 / 3, Color temperature setting 1 / 2 / 3 w/ adjustment Auto (2 types), incandescent, fluorescent (7 types), direct sunlight, flash, cloudy, shade, preset manual (up to 6 values can be stored, spot white balance measurement available during live view), color temperature (2500 K-10000 K)
Shutter Speed Range: 1/4000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 77-segment multi, center-weighted, spot 91K-pixel 3D Color Matrix Metering III, Center-weighted (75% given to 8, 12, 15 or 20mm circle), Spot (4mm) centered on selected focus area
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes:   None
Self Timer: 2 or 12 seconds 2/5/10/20s; 1-9 exposures at intervals of 0.5, 1, 2, or 3 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: No No
Flash Modes: P-TTL, high-speed sync, wireless sync w/ Pentax flash Front curtain sync, slow sync, rear-curtain sync, red-eye reduction, red-eye reduction with slow sync, slow rear-curtain sync, Auto FP High-Speed Sync supported
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/125 1/250
Flash Exposure Compensation:   -3 to +1 EV in 0.3EV steps
External Flash Connection: Hot shoe, X-sync socket ISO 518 Hot Shoe; safety lock provided; PC Sync terminal
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC / SDXC CF1 / XQD
UHS Support: No UHS support  
Other Memory:   UDMA7 compliant
Dual Card Slots: Yes Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit PEF / DNG Raw NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed, small size availble (12-bit uncompressed only); TIFF (RGB)
Movie File Format:   MOV (Video: H.264/MPEG-4 AVC; Audio: Linear PCM)
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 Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,Ethernet
PictBridge Compliant: No Yes
DPOF Compliant: No Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR or wired Optional wired, wireless
Connections (extended): DC input Type-C mini HDMI with uncompressed video support, DC Input, 10-pin Expansion Terminal, Audio input (stereo 3.5mm jack with power), Audio output (stereo 3.5mm jack), Peripheral connector for WT-5A/WT-4A
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.09 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.10 0.36
Buffer size for RAW shooting in single shot mode (frames): 17 Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 1.09 0.33
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 1.1 10.6
Buffer size for JPEG shooting in burst mode (frames, max resolution): 19 200
RAW shooting speed in burst mode (fps): 1.1 10.8
Buffer size for RAW shooting in burst mode (frames): 16 78
RAW+JPEG shooting speed in burst mode (fps): 1.1 10.8
Buffer Size for RAW+JPEG shooting in burst mode (frames): 15 43
Shutter lag (full AF, wide/mid): 0.16 seconds 0.20 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):   0.91 seconds
Shutter lag (prefocused, live view - DSLR):   0.239 seconds
Shutter Lag (manual focus): 0.141 seconds 0.044 seconds
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.142 seconds 0.043 seconds
Shutter Lag (notes): Full Autofocus lag, Auto Area AF = 0.180s OVF: Full AF lag, wide-area mode = 0.288s Live View: Full AF lag = 0.914s Prefocused = 0.239s
Startup Time: 0.7 seconds 0.2 seconds
Play -> Record Time: 0.3 seconds 0.2 seconds
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 800 shots 3020 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary EN-EL18A
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary EN-EL18A Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No No
Software
Included Software: PENTAX Digital Camera Utility 4 (Ver.4.20) Nikon ViewNX 2 CD-ROM
OS Compatibility:   Windows, Mac OS X
Miscellaneous
Notes & Features: Compatible with PENTAX 645AF2, 645AF, and 645A mount lenses. Has dual SD/SDHC card slots. New 16MP sensor with improved high ISO performance, EXPEED 4 processor, 11fps burst mode with AE/AF, improved AF, up to 1920x1080p60 video, new small RAW size option (2464 x 1640, 12-bit), improved battery life, built-in GbE LAN (1000Base-T), uncompressed 1080p60 HDMI output.