• Medium format 1,452.0mm2
  • 40.0 megapixels
  • ISO 200 - 1000
  • 1/2.3 inch 28.1mm2
  • 14.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • Detailed specifications
  • Pentax 645D
  • Fujifilm FinePix JX280
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Pentax 645Z
645D vs 645Z
 
General
Model Number: 645D JX280
Alternate Model Number(s):    
Camera Format: Pro SLR Ultra Compact
Currently Manufactured: No No
Retail Price: $9995.95 $149.95
Street Price: $3,599.00  
Date Available: 2010-12-15 2010-08-31
Tripod Mount: Yes Yes
Weight: 52.2 oz (1,480 g)
includes batteries
4.6 oz (130 g)
includes batteries
Size: 6.1 x 4.6 x 4.7 in.
(156 x 117 x 119 mm)
3.7 x 2.2 x 0.9 in.
(93 x 55 x 23 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer: Kodak KAF-40000  
Effective Megapixels: 40.0 14.1
Sensor Format: Medium format 1/2.3 inch
Sensor size: 1452mm2 (44.00mm x 33.00mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 6.06 microns 1.44 microns
Focal Length Multiplier: 0.8x n/a
Aspect Ratio: 4:3 4:3, 16:9
Color Filter Type: RGBG  
Anti Aliasing Filter: None  
Self-Cleaning: Yes No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
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)
4288 x 3216 (13.8 MP, 4:3),
4288 x 2864 (12.3 MP, 3:2),
4288 x 2416 (10.4 MP, Other),
3072 x 2304 (7.1 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1600 x 1200 (1.9 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG, 14-bit PEF / DNG Raw JPEG (Exif v2.3)
Continuous-mode frames/second: 1.1 1.2
Video Capture
Can take movies: No Yes
Movie Resolution: 1280x720 (30)
640x480 (30)
320x240 (30)
Movie File Format:   AVI (Motion JPEG)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Pentax 645 bayonet n/a
Lens: n/a Fujinon
Focal Length (35mm equivalent):   28 - 140mm
Focal Length (actual):   5 - 25mm
Zoom Ratio:   5.00x
Aperture Range:   F3.6 / F8 (wide); F5.9 / F13 (tele) with ND filter
Integrated ND Filter: No No
Normal Focus Range:   45 cm to Infinity
17.7 in to Infinity
Macro Focus Range:   10 - 80 cm
3.9 - 31.5 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 6.7x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point SAFOX IX+ Phase Difference Detection, single / continuous Contrast-Detection AF: Center / Tracking AF
Auto Focus Assist Light? No No
Manual Focus: Yes No
Viewfinder
Viewfinder: Optical / LCD (playback only) 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)  
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.78x  
Viewfinder Magnification (nominal/claimed): 0.62x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 2.7
Rear Display Resolution: 921,000 dots (307,000 px) 230,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:    
Top Deck Display: Yes
Exposure
Maximum ISO (native): 1000  
Minimum ISO (native): 200  
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, 200, 400, 800, 1600, 3200* (* 3mp and lower resolutions)
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, Fine, Shade, Fluorescent light (Daylight), Fluorescent light (Warm White), Fluorescent light (Cool White), Incandescent light, Custom
Shutter Speed Range: 1/4000 - 30 sec 1/1400 - 8 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 5.0EV in 0.3EV steps  
Metering Modes: 77-segment multi, center-weighted, spot 256-zone Multi
Program Auto Exposure: Yes Yes
Aperture Priority: Yes No
Shutter Priority: Yes No
Full Manual Exposure: Yes No
Creative Exposure Modes:   Natural Light, Natural Light with Flash, Portrait, Baby, Smile, Landscape, Motion Panorama, Sport, Night, Night (Tripod), Fireworks, Sunset, Snow, Beach, Party, Flower, Text
Self Timer: 2 or 12 seconds 2 or 10 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: P-TTL, high-speed sync, wireless sync w/ Pentax flash Auto, Forced Flash, Suppressed Flash, Slow Synchro; Red-eye removal can be turned off/on
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a ISO Auto: Wide: approx. 40cm–3.0 m/1.3ft.–9.8 ft., Telephoto: approx. 80 cm–2.0 m/2.6 ft.–6.6 ft. Macro approx. 30 cm–80 cm/1.0 ft.–2.6 ft.
Max Flash Sync: 1/125  
Flash Exposure Compensation:    
External Flash Connection: Hot shoe, X-sync socket n/a
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC
UHS Support: No UHS support  
Other Memory:    
Dual Card Slots: Yes No
RAW Capture Support: Yes No
Uncompressed Format: 14-bit PEF / DNG Raw  
Movie File Format:   AVI (Motion JPEG)
Included Memory: No memory included 24.0 MB
Included Memory Type:   Internal
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 2.0 High Speed
PictBridge Compliant: No Yes
DPOF Compliant: No Yes
Remote Control: Yes No
Remote Control Type: Optional IR or wired  
Connections (extended): DC input HD Player (optional extra)
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 1.2
Buffer size for JPEG shooting in burst mode (frames, max resolution): 19 3
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):   180 shots
Battery Life, Still (CIPA Rating OVF/EVF): 800 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary NP-45A
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x Proprietary NP-45A Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: PENTAX Digital Camera Utility 4 (Ver.4.20) CD-ROM
OS Compatibility:    
Miscellaneous
Notes & Features: Compatible with PENTAX 645AF2, 645AF, and 645A mount lenses. Has dual SD/SDHC card slots. HD Movies (720p), Tracking AF, Smile & Blink Detection, Scene Recognition Auto, Motion Panorama Mode with Auto Stitch, Face Detection and Automatic Red-eye Removal. Available in black.