• Medium format 1,436.6mm2
  • 51.4 megapixels
  • ISO 100 - 204,800
  • 35mm 861.6mm2
  • 36.3 megapixels
  • ISO 64 - 12,800
  • Detailed specifications
  • Pentax 645Z
  • Nikon D810
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax 645D
645D vs 645Z
Nikon D800E
D800E vs D810
Successor:   Nikon D850
D810 vs D850
General
Model Number: 645Z D810
Alternate Model Number(s):    
Camera Format: Pro SLR Pro SLR
Currently Manufactured: Yes Yes
Retail Price: $8499.95 $3299.95
Street Price: $4,845.43 $2,278.45
Date Available: 2014-06-15 2014-07-31
Tripod Mount: Yes Yes
Weight: 54.9 oz (1,555 g)
includes batteries
34.9 oz (988 g)
includes batteries
Size: 6.1 x 4.6 x 4.8 in.
(156 x 117 x 123 mm)
5.7 x 4.8 x 3.2 in.
(146 x 123 x 82 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony
Effective Megapixels: 51.4 36.3
Sensor Format: Medium format 35mm
Sensor size: 1436.64mm2 (43.80mm x 32.80mm) 861.6mm2 (35.90mm x 24.00mm)
Approximate Pixel Pitch: 5.31 microns 4.88 microns
Focal Length Multiplier: 0.8x 1.0x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: None None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score: 101 97
DxO Color Depth Score (bits): 26.0 25.7
DxO Dynamic Range Score (evs): 14.7 14.8
DxO Maximum Effective ISO Score (iso): 4,505 2,853
Image Capture
Image Resolution: 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)
7360 x 4912 (36.2 MP, 3:2),
5520 x 3680 (20.3 MP, 3:2),
3680 x 2456 (9.0 MP, 3:2),
6114 x 4080 (24.9 MP, 3:2),
4608 x 3056 (14.1 MP, Other),
3072 x 2040 (6.3 MP, Other),
4800 x 3200 (15.4 MP, 3:2),
3600 x 2400 (8.6 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
6144 x 4912 (30.2 MP, 5:4),
4608 x 3680 (17.0 MP, 5:4),
3072 x 2456 (7.5 MP, 5:4)
Image File Format: JPEG, 14-bit PEF / DNG RAW, TIFF JPEG (EXIF 2.3), NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed; small size available (12-bit uncompressed only); TIFF
Continuous-mode frames/second: 3.1 5.1
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format: MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record MOV (H.265/MPEG-4 AVC, Linear PCM stereo audio)
Composite Video Out: No No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a 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
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: Yes
Digital Zoom Values:   1.2x, 1.5x (DX), 5:4 crop modes
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 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) OVF: 51-point TTL phase detection via Nikon Advanced Multi-CAM 3500FX including 15 cross-type sensors; f/8 supported by 11 central sensors; Contrast detection AF in Live View mode
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: 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) SLR; eye-level pentaprism, 100% coverage, 0.7x magnification, 17mm eyepoint, -3 to +1 diopter
Focus Peaking: Yes 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): 3.2 3.2
Rear Display Resolution: 1,036,800 dots (345,600 px) 1,229,000 dots (307,250 px)
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x  
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 204800 12800
Minimum ISO (native): 100 64
ISO Settings: Auto, 100-204800 in 1, 1/2 or 1/3EV steps Auto, 64 - 12800 in 1/3, 1/2 or 1EV steps, plus down to 32 in Lo-1, up to 51,200 in Hi-2
Auto ISO Mode: Yes Yes
White Balance Settings: 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 Auto (2), Incandescent, Fluorescent (7), Direct Sunlight, Flash, Cloudy, Shade, Preset Manual (6) (Spot WB available in Live View), Color Temperature (2,500K-10,000K); Fine-tuning available for all options.
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: 86K-pixel RBG sensor: Multi-segment metering, Center-weighted metering, Spot metering 91K-pixel 3D Color Matrix Metering III, Center-weighted (weight of 75% given to 12-mm circle in center of frame; diameter of circle can be changed to 8, 15 or 20 mm, or weighting can be based on average of entire frame), Spot (4mm circle or about 1.5% frame, 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: 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) None
Self Timer: 2 or 12 seconds 2/5/10/20 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: P-TTL; high-speed sync, wireless sync supported with compatible flash unit Front-curtain sync, Slow sync, Rear-curtain sync, Red-eye reduction, Red-eye reduction with slow sync; supports Advanced Wireless Lighting system
Flash Guide Number (ISO 100): n/a 12.0 m / 39.4 ft.
Flash Range Description: n/a Lens aperture dependent; GN = 12m or 39 ft (ISO 100)
Max Flash Sync: 1/125 1/250 (up to 1/320s with lower flash range)
Flash Exposure Compensation: -2 to +1 EV -3 to +1 EV in 0.3EV steps
External Flash Connection: Hot shoe, X-sync socket ISO-type hot-shoe, PC Sync terminal
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC / SDXC CF1 / SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:   UHS-I/UDMA compliant
Dual Card Slots: Yes Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit PEF / DNG RAW, TIFF NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed; small size available (12-bit uncompressed only); TIFF
Movie File Format: MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record MOV (H.265/MPEG-4 AVC, Linear PCM stereo audio)
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: Yes Yes
Headphone Jack: No Yes
External Connections: USB 3.0 Super Speed USB 3.0 Super Speed
PictBridge Compliant: No Yes
DPOF Compliant: No Yes
Remote Control: Yes Yes
Remote Control Type: Optional wired or wireless Optional wired or wireless
Connections (extended): Micro (Type-D) HDMI, DC input, Stereo microphone jack, wired remote socket Mini HDMI (Type C), USB 3.0 Micro-B, 10-pin Expansion Terminal (GP-1 GPS compatible), Stereo Mic Mini Jack (3.5mm), Stereo Audio Out (3.5mm)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.35 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.33 <0.3
Buffer size for RAW shooting in single shot mode (frames): 10  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.33 <0.3
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 3.1 5.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 12 57
RAW shooting speed in burst mode (fps): 3.1 5.1
Buffer size for RAW shooting in burst mode (frames): 10 23
RAW+JPEG shooting speed in burst mode (fps): 3.1 5.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 10 18
Shutter lag (full AF, wide/mid): 0.16 seconds 0.21 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 1.17 seconds 0.88 seconds
Shutter lag (prefocused, live view - DSLR): 0.385 seconds 0.158 seconds
Shutter Lag (manual focus): 0.117 seconds 0.056 seconds
Shutter lag (full AF, with flash):   0.24 seconds
Shutter Lag (prefocused): 0.112 seconds 0.054 seconds
Shutter Lag (notes): OVF: Full AF lag, wide-area mode = 0.170s Live View: Full AF lag, Spot AF mode = 1.174s Prefocused = 0.385s OVF, Full Autofocus, 51-point Auto Area = 0.302s Live View, Full Autofocus = 0.875s Live View, Prefocused = 0.158s
Startup Time: 1.5 seconds 0.5 seconds
Play -> Record Time: 0.7 seconds 0.8 seconds
Flash cycle time, full power:   2.2 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 650 shots 1200 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary
Usable Battery Types: Lithium-ion rechargeable EN-EL15 Lithium-ion rechargeable or MB-D12 battery grip
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary EN-EL15 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:   Nikon ViewNX 2 CD-ROM
OS Compatibility:   Windows Vista/7/8; Mac OS 10.7.5+
Miscellaneous
Notes & Features: 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. Brand-new, 36.3-megapixel FX-format (full-frame) AA-filterless CMOS sensor, expanded sensitivity range (ISO 32-51200), EXPEED 4 processor, Group-area AF mode, 5fps full-res burst mode, electronic front curtain shutter option, Full HD 60p video, Small RAW option, USB 3.0, dual CF/SD slots.