• APS-C 369.7mm2
  • 10.2 megapixels
  • ISO 100 - 3200
  • Medium format 1,452.0mm2
  • 40.0 megapixels
  • ISO 200 - 1000
  • Detailed specifications
  • Sony Alpha DSLR-A230
  • Pentax 645D
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Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Pentax 645Z
645D vs 645Z
General
Model Number: DSLR-A230 645D
Alternate Model Number(s):    
Camera Format: SLR Pro SLR
Currently Manufactured: No No
Retail Price: $549.00 $9995.95
Street Price:   $3,599.00
Date Available: 2009-06-15 2010-12-15
Tripod Mount: Yes Yes
Weight: 25.6 oz (725 g)
includes batteries
52.2 oz (1,480 g)
includes batteries
Size: 5.0 x 3.8 x 2.7 in.
(128 x 97 x 68 mm)
6.1 x 4.6 x 4.7 in.
(156 x 117 x 119 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer: Sony Kodak KAF-40000
Effective Megapixels: 10.2 40.0
Sensor Format: APS-C Medium format
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 1452mm2 (44.00mm x 33.00mm)
Approximate Pixel Pitch: 6.12 microns 6.06 microns
Focal Length Multiplier: 1.5x 0.8x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 63 82
DxO Color Depth Score (bits): 22.3 24.6
DxO Dynamic Range Score (evs): 11.4 12.6
DxO Maximum Effective ISO Score (iso): 531 1,262
Image Capture
Image Resolution: 3872 x 2592 (10.0 MP, Other),
2896 x 1936 (5.6 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2),
3872 x 2176 (8.4 MP, 16:9),
2896 x 1632 (4.7 MP, Other),
1920 x 1088 (2.1 MP, Other)
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)
Image File Format: JPEG, RAW JPEG, 14-bit PEF / DNG Raw
Continuous-mode frames/second: 2.4 1.1
Video Capture
Can take movies: No No
Movie Resolution:
Movie File Format:    
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) Pentax 645 bayonet
Lens: Sony 18-55mm f/3.5-5.6 DT SAM n/a
Focal Length (35mm equivalent): 27 - 83mm  
Focal Length (actual): 18 - 55mm  
Zoom Ratio: 3.00x  
Aperture Range: f/3.5 - 22 (W), f/5.6 - ?? (T)  
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: 55.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point TTL phase detection (one cross-type sensor) with eye-start AF 11-point SAFOX IX+ Phase Difference Detection, single / continuous
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) Optical / LCD (playback only)
Viewfinder Type: SLR type; eye-level pentamirror, 95% coverage, 0.83x mag., 16.5mm eyepoint, -2.5 to +1.0 diopter 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): 0.55x 0.78x
Viewfinder Magnification (nominal/claimed): 0.83x 0.62x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 230,400 dots 921,000 dots (307,000 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 12.0x  
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 3200 1000
Minimum ISO (native): 100 200
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200 Auto (with programmable limits), 200 to 1000 in 1, 1/2 or 1/3 EV steps; expandable to 100 and 1600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Custom Auto, Daylight, Shade, Cloudy, Fluorescent ( D / N / W / L), Tungsten, Flash, CTE, Manual 1 / 2 / 3, Color temperature setting 1 / 2 / 3 w/ adjustment
Shutter Speed Range: 1/4000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 40-segment honeycomb pattern, center-weighted, spot 77-segment multi, center-weighted, spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Portrait, Landscape, Macro, Sports, Sunset, Night Portrait/Night View  
Self Timer: 2 or 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off P-TTL, high-speed sync, wireless sync w/ Pentax flash
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. n/a
Flash Range Description: Lens dependent n/a
Max Flash Sync: 1/160 1/125
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps  
External Flash Connection: Hot shoe Hot shoe, X-sync socket
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC SD / SDHC / SDXC
UHS Support:   No UHS support
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: RAW 14-bit PEF / DNG Raw
Movie File Format:    
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: 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: Yes No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Optional wireless Optional IR or wired
Connections (extended): DC input, min-HDMI DC input
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.48 1.09
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.78 1.10
Buffer size for RAW shooting in single shot mode (frames): Unlimited 17
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   1.09
Camera penalizes early shutter press? Yes Yes
JPEG shooting speed in burst mode (fps, max resolution): 2.4 1.1
Buffer size for JPEG shooting in burst mode (frames, max resolution): 21 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): 0.19 seconds 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): 0.182 seconds 0.141 seconds
Shutter lag (full AF, with flash): 0.22 seconds  
Shutter Lag (prefocused): 0.107 seconds 0.142 seconds
Shutter Lag (notes): Full Autofocus Wide Area AF lag = 0.204s Full Autofocus lag, Auto Area AF = 0.180s
Startup Time: 0.6 seconds 0.7 seconds
Play -> Record Time: 0.2 seconds 0.3 seconds
Flash cycle time, full power: 4.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 510 shots 800 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FH50 Proprietary D-LI90
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FH50 Lithium-ion rechargeable 1 x Proprietary D-LI90 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: Software/USB Driver CD-ROM PENTAX Digital Camera Utility 4 (Ver.4.20)
OS Compatibility: Windows 2000/XP/Vista, Mac OS X (v. 10.13+)  
Miscellaneous
Notes & Features: SteadyShot Sensor-Shift Image Stabilization. Compatible with PENTAX 645AF2, 645AF, and 645A mount lenses. Has dual SD/SDHC card slots.