• Medium format 1,436.6mm2
  • 51.4 megapixels
  • ISO 100 - 204,800
  • 35mm 861.6mm2
  • 24.3 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Pentax 645Z
  • Nikon D750
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax 645D
645D vs 645Z
 
Successor:   Nikon D780
D750 vs D780
General
Model Number: 645Z D750
Alternate Model Number(s):    
Camera Format: Pro SLR SLR
Currently Manufactured: Yes Yes
Retail Price: $8499.95 $3599.95
Street Price: $4,845.43 $1,698.45
Date Available: 2014-06-15 2014-09-30
Tripod Mount: Yes Yes
Weight: 54.9 oz (1,555 g)
includes batteries
54.7 oz (1,550 g)
includes batteries, kit lens
Size: 6.1 x 4.6 x 4.8 in.
(156 x 117 x 123 mm)
5.5 x 4.4 x 3.1 in.
(141 x 113 x 78 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony
Effective Megapixels: 51.4 24.3
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 5.97 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: 101 93
DxO Color Depth Score (bits): 26.0 24.8
DxO Dynamic Range Score (evs): 14.7 14.5
DxO Maximum Effective ISO Score (iso): 4,505 2,956
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)
6016 x 4016 (24.2 MP, 3:2),
4512 x 3008 (13.6 MP, 3:2),
3008 x 2008 (6.0 MP, 3:2),
5008 x 3336 (16.7 MP, 3:2),
3752 x 2504 (9.4 MP, 3:2),
2504 x 1664 (4.2 MP, 3:2),
3936 x 2624 (10.3 MP, 3:2),
2944 x 1968 (5.8 MP, 3:2),
1968 x 1312 (2.6 MP, 3:2)
Image File Format: JPEG, 14-bit PEF / DNG RAW, TIFF JPEG (EXIF 2.3), RAW (NEF), lossless compressed, compressed 14 or 12-bit; RAW+JPEG
Continuous-mode frames/second: 3.1 6.6
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.264/MPEG-4 AVC video with Linear PCM 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 Nikkor AF-S 24-120mm f/4G ED VR; 17 elements in 13 groups, including 3 aspherical and 2 ED elements
Focal Length (35mm equivalent):   24 - 120mm
Focal Length (actual):   24 - 120mm
Zoom Ratio:   5.00x
Aperture Range:   f/4 - f/22
Integrated ND Filter: No No
Normal Focus Range:   45 cm to Infinity
17.7 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 77.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No
Digital Zoom Values:   n/a
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 (15 cross-type, f/8 supported by 11 points) TTL phase detection with 3D focus tracking via Nikon Advanced Multi-CAM 3500FX II; Contrast-detect 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 type; fixed eye-level pentaprism, 100% coverage, 0.70x magnification, 21mm 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) 1,228,800 dots (307,200 px)
Touchscreen: No No
Articulating Screen: Yes Yes
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): 100 100
ISO Settings: Auto, 100-204800 in 1, 1/2 or 1/3EV steps ISO 100 - 12,800, Lo-1 (ISO 50), Hi-1 (ISO 25,600), Hi-2 (ISO 51,200), Auto (adjustable)
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 types), Incandescent, Fluorescent (7 types), Direct Sunlight, Flash, Cloudy, Shade, Preset manual (up to 6 values can be stored), Color temperature (2,500K-10,000K)
Shutter Speed Range: 1/4000 - 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: 86K-pixel RBG sensor: Multi-segment metering, Center-weighted metering, Spot metering 91,000-pixel RGB sensor; 3D Color Matrix Metering III, Center-weighted, Spot (1.5%) centered on selected focus area; Highlight-weighted
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) Scene (portrait, landscape, child, sports, close up, night portrait, night landscape, party/indoor, beach/snow, sunset, dusk/dawn, pet, candlelight, blossom, autumn colors, food), Effects, HDR, Active D-Lighting
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; built-in flash supports wireless Commander mode
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 1/200 (up to 1/250 with reduced 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
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: Yes Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit PEF / DNG RAW, TIFF RAW (NEF), lossless compressed, compressed 14 or 12-bit; RAW+JPEG
Movie File Format: MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record MOV (H.264/MPEG-4 AVC video with Linear PCM audio)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
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 2.0 High Speed,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: No Yes
Remote Control: Yes Yes
Remote Control Type: Optional wired or wireless Via Wi-Fi; optional wired or wireless
Connections (extended): Micro (Type-D) HDMI, DC input, Stereo microphone jack, wired remote socket Type-C Mini HDMI, Accessory Terminal, 3.5mm Stereo Mic Jack, 3.5mm Stereo Headphone Jack, Built-in Wi-Fi
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 6.6
Buffer size for JPEG shooting in burst mode (frames, max resolution): 12 40
RAW shooting speed in burst mode (fps): 3.1 6.6
Buffer size for RAW shooting in burst mode (frames): 10 14
RAW+JPEG shooting speed in burst mode (fps): 3.1 6.7
Buffer Size for RAW+JPEG shooting in burst mode (frames): 10 10
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 1.77 seconds
Shutter lag (prefocused, live view - DSLR): 0.385 seconds 0.174 seconds
Shutter Lag (manual focus): 0.117 seconds 0.055 seconds
Shutter lag (full AF, with flash):   0.25 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 AF shutter lag, wide-area AF mode = 0.228s Live View: - Full AF shutter lag = 1.769s - Prefocused: 0.174s
Startup Time: 1.5 seconds 0.5 seconds
Play -> Record Time: 0.7 seconds 0.5 seconds
Flash cycle time, full power:   2.4 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 650 shots 1230 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary EN-EL15
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable or MB-D14 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:    
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. EXPEED 4 processor, 6.5fps burst rate, 1080p60 movies, built-in Wi-Fi, tilting 3.2-inch 1229K-dot LCD, improved 51-point AF, highlight-weighted metering, dual SD card slots. Available body only or bundled with AF-S 24-120mm f/4 lens.