• Medium format 1,452.0mm2
  • 40.0 megapixels
  • ISO 200 - 1000
  • 35mm 858.0mm2
  • 24.5 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Pentax 645D
  • Nikon Z6 II
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Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Pentax 645Z
645D vs 645Z
 
General
Model Number: 645D Z6 II
Alternate Model Number(s):   Z 6 II
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $9995.95 $1999.95
Street Price: $3,599.00 $1,746.95
Date Available: 2010-12-15 2020-11-01
Tripod Mount: Yes Yes
Weight: 52.2 oz (1,480 g)
includes batteries
24.9 oz (705 g)
includes batteries
Size: 6.1 x 4.6 x 4.7 in.
(156 x 117 x 119 mm)
5.3 x 4.0 x 2.7 in.
(134 x 101 x 70 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 24.5
Sensor Format: Medium format 35mm
Sensor size: 1452mm2 (44.00mm x 33.00mm) 858.01mm2 (35.90mm x 23.90mm)
Approximate Pixel Pitch: 6.06 microns 5.94 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 Yes
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 82  
DxO Color Depth Score (bits): 24.6  
DxO Dynamic Range Score (evs): 12.6  
DxO Maximum Effective ISO Score (iso): 1,262  
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)
6048 x 4024 (24.3 MP, 3:2),
4528 x 3016 (13.7 MP, 3:2),
3024 x 2016 (6.1 MP, 3:2),
4016 x 4016 (16.1 MP, 1:1),
3008 x 3008 (9.0 MP, 1:1),
2000 x 2000 (4.0 MP, 1:1),
6048 x 3400 (20.6 MP, 16:9),
4528 x 2544 (11.5 MP, 16:9),
3024 x 1696 (5.1 MP, 16:9),
3840 x 2160 (8.3 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
4128 x 2320 (9.6 MP, 16:9),
3840 x 2160 (8.3 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
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 JPEG (EXIF 2.31), NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed; large, medium, and small available (medium and small images are recorded at a bit depth of 12 bits using lossless compression); TIFF
Continuous-mode frames/second: 1.1 14.0
Video Capture
Can take movies: No Yes
Movie Resolution: 3840x2160 (30p/​25p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
1920x1080 (120p/​100p)
Movie File Format:   MOV/MP4 (H.265/MPEG-4 AVC, Linear PCM/AAC audio)
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 Z
Lens: n/a Nikkor Z 24-70mm f/4 S
Focal Length (35mm equivalent):   24 - 70mm
Focal Length (actual):   24 - 70mm
Zoom Ratio:   2.92x
Aperture Range:   f/4 - f/22; 7-blade rounded diaphragm
Integrated ND Filter: No No
Normal Focus Range:   30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 72.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No Yes
Digital Zoom Values: n/a 1.5x (DX), 5:4, 1:1, 16:9 crop modes
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point SAFOX IX+ Phase Difference Detection, single / continuous Hybrid phase-detection/contrast AF; 273 (single-point AF); Pinpoint, single-point and dynamic-area AF (pinpoint and dynamic-area AF available in photo mode only); wide-area AF (S); wide-area AF (L); auto-area AF; Autofocus (AF): Single-servo AF (AF-S); continuous-servo AF (AF-C); full-time AF (AF-F; available only in movie mode); predictive focus tracking; Manual focus (M): Electronic rangefinder can be used; Touch AF and Touch Shutter supported.
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) EVF / 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) EVF: 1.27-cm/0.5-in., approx. 3690k-dot (Quad VGA) OLED with color balance and auto and 11-level manual brightness controls, 100% coverage, 0.8x magnification, 21mm eyepoint, -4 to +2 diopter, eye sensor
Focus Peaking: No Yes
EVF Resolution: n/a 3,686,400 dots (1,228,800 pixels)
Viewfinder Magnification (35mm equivalent): 0.78x  
Viewfinder Magnification (nominal/claimed): 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 (307,000 px) 2,100,000 dots
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   24.0x
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 1000 51200
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 - 51,200 in 1/3, 1/2 or 1EV steps, plus down to 50 in Lo-1 and up to 204,800 in Hi-2
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 (3), Natural Light Auto, Incandescent, Fluorescent (7), Direct Sunlight, Flash, Cloudy, Shade, Preset Manual (6), Color Temperature (2,500K-10,000K); Fine-tuning available.
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 Matrix, Center-weighted (weight of 75% given to 12-mm circle in center of frame; weighting can be based on average of entire frame), Spot (4mm circle or about 1.5% frame, centered on selected focus point), Highlight-weighted
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes:   3 User Settings (U1, U2, U3); HDR, Multiple Exposure (Add, average, lighten, darken)
Self Timer: 2 or 12 seconds 2/5/10/20 seconds
Time Lapse (intervalometer): 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, off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/125 1/200
Flash Exposure Compensation:   -3 to +1 EV in 0.3EV steps
External Flash Connection: Hot shoe, X-sync socket ISO-type hotshoe
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC XQD / SD / SDHC / SDXC / CFexpress
UHS Support: No UHS support UHS-II
Other Memory:    
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; large, medium, and small available (medium and small images are recorded at a bit depth of 12 bits using lossless compression); TIFF
Movie File Format:   MOV/MP4 (H.265/MPEG-4 AVC, Linear PCM/AAC audio)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: No Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR or wired Wi-Fi, Bluetooth or optional wired or wireless
Connections (extended): DC input Mini (Type C) HDMI, USB 3.1 Gen 1 Type C (SuperSpeed USB), 10-pin Expansion Terminal, Stereo Mic Jack (3.5mm, plug-in power provided), Stereo Audio Out (3.5mm)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.09  
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.10  
Buffer size for RAW shooting in single shot mode (frames): 17  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 1.09  
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 1.1 14.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 19  
RAW shooting speed in burst mode (fps): 1.1  
Buffer size for RAW shooting in burst mode (frames): 16  
RAW+JPEG shooting speed in burst mode (fps): 1.1  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 15  
Shutter lag (full AF, wide/mid): 0.16 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.141 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.142 seconds  
Shutter Lag (notes): Full Autofocus lag, Auto Area AF = 0.180s  
Startup Time: 0.7 seconds  
Play -> Record Time: 0.3 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 800 shots  
Battery Life, Video:   85 minutes
Battery Form Factor: Proprietary D-LI90 Proprietary
Usable Battery Types: Lithium-ion rechargeable EN-EL15c/EN-EL15b/EN-EL15a/EN-EL15 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary EN-EL15c Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No Yes
Software
Included Software: PENTAX Digital Camera Utility 4 (Ver.4.20)  
OS Compatibility:    
Miscellaneous
Notes & Features: Compatible with PENTAX 645AF2, 645AF, and 645A mount lenses. Has dual SD/SDHC card slots.