• Medium format 1,452.0mm2
  • 40.0 megapixels
  • ISO 200 - 1000
  • APS-H 476.1mm2
  • 25.6 megapixels
  • ISO 100 - 6400
  • Detailed specifications
  • Pentax 645D
  • Sigma sd Quattro H
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Pentax 645Z
645D vs 645Z
 
General
Model Number: 645D sd Quattro H
Alternate Model Number(s):    
Camera Format: Pro SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $9995.95 $1200.00
Street Price: $3,599.00 $1,199.00
Date Available: 2010-12-15 2017-01-15
Tripod Mount: Yes Yes
Weight: 52.2 oz (1,480 g)
includes batteries
22.4 oz (635 g)
Size: 6.1 x 4.6 x 4.7 in.
(156 x 117 x 119 mm)
5.8 x 3.7 x 3.6 in.
(147 x 95 x 91 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer: Kodak KAF-40000 Foveon X3 Quattro
Effective Megapixels: 40.0 25.6
Sensor Format: Medium format APS-H
Sensor size: 1452mm2 (44.00mm x 33.00mm) 476.14mm2 (26.60mm x 17.90mm)
Approximate Pixel Pitch: 6.06 microns 4.30 microns
Focal Length Multiplier: 0.8x 1.3x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG Full Color
Anti Aliasing Filter: None Not needed
Self-Cleaning: Yes No
Sensor shift image stabilization: No No
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)
6192 x 4128 (25.6 MP, 3:2),
5504 x 4128 (22.7 MP, 4:3),
6192 x 3480 (21.5 MP, 16:9),
4128 x 4128 (17.0 MP, 1:1),
5152 x 4128 (21.3 MP, 5:4),
6192 x 2648 (16.4 MP, Other),
8768 x 5840 (51.2 MP, 3:2),
7792 x 5840 (45.5 MP, 4:3),
8768 x 4928 (43.2 MP, 16:9),
5840 x 5840 (34.1 MP, 1:1),
8768 x 3752 (32.9 MP, Other),
7296 x 5840 (42.6 MP, 5:4)
Image File Format: JPEG, 14-bit PEF / DNG Raw JPEG (EXIF 2.3), Lossless compressed 14-bit X3F or Uncompressed 12-bit DNG, RAW(X3F)+JPEG
Continuous-mode frames/second: 1.1 n/a
Video Capture
Can take movies: No No
Movie Resolution:
Movie File Format:    
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 Sigma SA 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 SAFOX IX+ Phase Difference Detection, single / continuous Hybrid Phase/Contrast Detect AF: 9 points select mode, Free move mode (It is possible to change the size of Focus Frame to Spot, Regular and Large), Face Detection AF Mode
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: 2,360K-dot LCD, 100% coverage, 0.96x magnification, 21mm eyepoint, -4 to +2 diopter
Focus Peaking: No Yes
EVF Resolution: n/a 2,360,000 dots
Viewfinder Magnification (35mm equivalent): 0.78x 0.74x
Viewfinder Magnification (nominal/claimed): 0.62x 0.96x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,000 dots (307,000 px) 1,620,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:    
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 1000 6400
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, 100-6400 in 1/3 EV steps; Auto has programmable High/Low limits
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, Auto (Lighting Source Priority), Daylight, Shade, Overcast, Incandescent, Fluorescent, Color Temperature, Flash, Custom 1/2/3
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: 77-segment multi, center-weighted, spot Evaluative, center-weighted average, spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes:   Color modes: Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Sunset Red, Forest Green, FOV Classic Blue, FOV Classic Yellow, Monochrome
Self Timer: 2 or 12 seconds 2 or 10 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 n/a
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/125 1/180
Flash Exposure Compensation:   +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot shoe, X-sync socket Hot Shoe, PC Socket
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: No UHS support  
Other Memory:    
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit PEF / DNG Raw Lossless compressed 14-bit X3F or Uncompressed 12-bit DNG, RAW(X3F)+JPEG
Movie File Format:    
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 No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 3.0 Super Speed
PictBridge Compliant: No No
DPOF Compliant: No Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR or wired Optional wired (Cable Release Switch CR-3)
Connections (extended): DC input Mini (Type-C) HDMI
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  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 19  
RAW shooting speed in burst mode (fps): 1.1 4.4
Buffer size for RAW shooting in burst mode (frames): 16 8
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:    
Battery Form Factor: Proprietary D-LI90 Proprietary BP-61
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary BP-61 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) SIGMA Photo Pro Download
OS Compatibility:   Windows, Mac OS
Miscellaneous
Notes & Features: Compatible with PENTAX 645AF2, 645AF, and 645A mount lenses. Has dual SD/SDHC card slots.