• Medium format 1,452.0mm2
  • 40.0 megapixels
  • ISO 200 - 1000
  • APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Pentax 645D
  • Canon EOS 77D
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Canon T6s
T6s vs 77D
Successor: Pentax 645Z
645D vs 645Z
 
General
Model Number: 645D 77D
Alternate Model Number(s):   9000D
Camera Format: Pro SLR SLR
Currently Manufactured: No Yes
Retail Price: $9995.95 $1499.00
Street Price: $3,599.00 $549.99
Date Available: 2010-12-15 2017-04-15
Tripod Mount: Yes Yes
Weight: 52.2 oz (1,480 g)
includes batteries
37.2 oz (1,055 g)
includes batteries, kit lens
Size: 6.1 x 4.6 x 4.7 in.
(156 x 117 x 119 mm)
5.2 x 3.9 x 3.0 in.
(131 x 100 x 76 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer: Kodak KAF-40000 Canon
Effective Megapixels: 40.0 24.2
Sensor Format: Medium format APS-C
Sensor size: 1452mm2 (44.00mm x 33.00mm) 332.27mm2 (22.30mm x 14.90mm)
Approximate Pixel Pitch: 6.06 microns 3.72 microns
Focal Length Multiplier: 0.8x 1.6x
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 Yes
DxO Sensor Score: 82 78
DxO Color Depth Score (bits): 24.6 23.6
DxO Dynamic Range Score (evs): 12.6 13.3
DxO Maximum Effective ISO Score (iso): 1,262 971
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)
6000 x 4000 (24.0 MP, 3:2),
3984 x 2656 (10.6 MP, 3:2),
2976 x 1984 (5.9 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
6000 x 3368 (20.2 MP, 16:9),
3984 x 2240 (8.9 MP, 16:9),
2976 x 1824 (5.4 MP, Other),
2400 x 1344 (3.2 MP, Other),
5328 x 4000 (21.3 MP, 4:3),
3552 x 2664 (9.5 MP, 4:3),
2656 x 1992 (5.3 MP, 4:3),
2112 x 1600 (3.4 MP, Other),
4000 x 4000 (16.0 MP, 1:1),
2656 x 2656 (7.1 MP, 1:1),
1984 x 1984 (3.9 MP, 1:1),
1600 x 1600 (2.6 MP, 1:1)
Image File Format: JPEG, 14-bit PEF / DNG Raw JPEG (EXIF 2.3), 14-bit .CR2 RAW, RAW+JPEG
Continuous-mode frames/second: 1.1 6.0
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p)
640x480 (30p/​25p)
Movie File Format:   MOV (Video: H.264, Audio: Stereo Linear PCM); MP4 (Video: H.264, Audio: AAC)
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 Canon EF/EF-S
Lens: n/a Canon EF-S 18-135mm f/3.5-5.6 IS USM
Focal Length (35mm equivalent):   29 - 216mm
Focal Length (actual):   18 - 135mm
Zoom Ratio:   7.50x
Aperture Range:   f/3.5 - f/22 (wide) / f/5.6 - f/36 (tele)
Integrated ND Filter: No No
Normal Focus Range:   39 cm to Infinity
15.4 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 67.0mm
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: 11-point SAFOX IX+ Phase Difference Detection, single / continuous OVF: AF-dedicated CMOS sensor, 45-points, up to 45 cross-type (f/5.6), 1 dual-cross (f/2.8 and f/5.6), 27 support f/8 (9 cross-type); Live View: Dual-Pixel CMOS AF
Auto Focus Assist Light? No Yes
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 type; eye-level pentamirror, ~95% coverage, ~0.82x magnification, 19mm eyepoint, -3 to +1 diopter, eye sensor
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.78x 0.51x
Viewfinder Magnification (nominal/claimed): 0.62x 0.82x
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) 1,040,000 dots (346,600 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom:   10.0x
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 - 25600 in 1EV steps, Expandable to 51200
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, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom
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 7,560-pixel RGB+IR metering sensor: 63-zone Evaluative (linked to all AF points), Center-weighted, Partial (6.0%), Spot (3.5%)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes:   Creative Auto, Portrait, Landscape, Close-up, Sports, Special Scene (Group Photo, Kids, Food, Candlelight, Night Portrait, Handheld Night Scene, HDR Backlight Control), Flash Off, Creative Filters (Grainy B/W, Soft Focus, Fish-eye, Water-painting, Toy Camera, Miniature, HDR Art (Standard/Vivid/Bold/Embossed)
Self Timer: 2 or 12 seconds 10 or 2 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 w/ Pentax flash E-TTL II, Manual
Flash Guide Number (ISO 100): n/a 12.0 m / 39.4 ft.
Flash Range Description: n/a Lens aperture dependent; GN= 12m (39.4 ft.) at ISO 100, works out to about 11.2 feet at f/3.5 and 7 feet at f/5.6
Max Flash Sync: 1/125 1/200
Flash Exposure Compensation:   +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot shoe, X-sync socket Hot Shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: No UHS support UHS-I
Other Memory:    
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit PEF / DNG Raw 14-bit .CR2 RAW, RAW+JPEG
Movie File Format:   MOV (Video: H.264, Audio: Stereo Linear PCM); MP4 (Video: H.264, Audio: AAC)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: No Yes
Remote Control: Yes Yes
Remote Control Type: Optional IR or wired Optional wired, IR wireless, Bluetooth or Wi-Fi
Connections (extended): DC input Mini (Type-C) HDMI, 3.5mm Microphone Jack, Wired Remote Jack
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  
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 <0.3
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 1.1 6.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 19 167
RAW shooting speed in burst mode (fps): 1.1 6.0
Buffer size for RAW shooting in burst mode (frames): 16 23
RAW+JPEG shooting speed in burst mode (fps): 1.1 6.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 15 21
Shutter lag (full AF, wide/mid): 0.16 seconds 0.09 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):   0.071 seconds
Shutter Lag (manual focus): 0.141 seconds 0.087 seconds
Shutter lag (full AF, with flash):   0.25 seconds
Shutter Lag (prefocused): 0.142 seconds 0.068 seconds
Shutter Lag (notes): Full Autofocus lag, Auto Area AF = 0.180s  
Startup Time: 0.7 seconds 0.4 seconds
Play -> Record Time: 0.3 seconds 0.2 seconds
Flash cycle time, full power:   3.1 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   270 shots
Battery Life, Still (CIPA Rating OVF/EVF): 800 shots 600 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary
Usable Battery Types: Lithium-ion rechargeable LP-E17 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary LP-E17 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)  
OS Compatibility:    
Miscellaneous
Notes & Features: Compatible with PENTAX 645AF2, 645AF, and 645A mount lenses. Has dual SD/SDHC card slots.