• APS-C 369.7mm2
  • 10.2 megapixels
  • ISO 100 - 3200
  • APS-C 369.0mm2
  • 14.8 megapixels
  • 28.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha DSLR-A230
  • Sigma DP1 Merrill
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: DSLR-A230 DP1 Merrill
Alternate Model Number(s):    
Camera Format: SLR Mid-Sized
Currently Manufactured: No No
Retail Price: $549.00 $799.00
Street Price:   $849.00
Date Available: 2009-06-15 2012-09-15
Tripod Mount: Yes Yes
Weight: 25.6 oz (725 g)
includes batteries
13.8 oz (391 g)
includes batteries
Size: 5.0 x 3.8 x 2.7 in.
(128 x 97 x 68 mm)
4.8 x 2.6 x 2.5 in.
(122 x 67 x 64 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer: Sony Foveon X3
Effective Megapixels: 10.2 14.8
Sensor Format: APS-C APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 368.95mm2 (23.50mm x 15.70mm)
Approximate Pixel Pitch: 6.12 microns 5.00 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG Full Color
Anti Aliasing Filter: Fixed Not needed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 63  
DxO Color Depth Score (bits): 22.3  
DxO Dynamic Range Score (evs): 11.4  
DxO Maximum Effective ISO Score (iso): 531  
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)
4704 x 3136 (14.8 MP, 3:2),
3264 x 2176 (7.1 MP, 3:2),
2336 x 1568 (3.7 MP, Other)
Image File Format: JPEG, RAW JPEG, 12-bit RAW (.X3F), RAW+JPEG
Continuous-mode frames/second: 2.4 3.8
Video Capture
Can take movies: No Yes
Movie Resolution: 640x480 (30)
Movie File Format:   AVI (Motion JPEG) with monaural sound
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a
HD Video Out: Yes No
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) n/a
Lens: Sony 18-55mm f/3.5-5.6 DT SAM Sigma Lens; 9 elements in 8 groups
Focal Length (35mm equivalent): 27 - 83mm 28mm
Focal Length (actual): 18 - 55mm 19mm
Zoom Ratio: 3.00x 1.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - ?? (T) f/2.8 - f/16, with 9-bladed diaphragm
Integrated ND Filter: No No
Normal Focus Range:   100 cm to Infinity
39.4 in to Infinity
Macro Focus Range:   20 cm to Infinity
7.9 in to Infinity
Filter Thread: 55.0mm 49.0mm
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 Contrast Detection: 9 points select mode, Free move mode; possible to change size of focus frame (Spot, Regular, Large)
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) No / LCD
Viewfinder Type: SLR type; eye-level pentamirror, 95% coverage, 0.83x mag., 16.5mm eyepoint, -2.5 to +1.0 diopter Optional add-on optical type VF-11.
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.55x  
Viewfinder Magnification (nominal/claimed): 0.83x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 230,400 dots 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 12.0x 10.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 3200 6400
Minimum ISO (native): 100 100
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200 Auto (with programmable low and high limits), 100-6400 in 1 or 1/3 EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Custom Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom
Shutter Speed Range: 1/4000 - 30 sec 1/2000 - 30 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: 40-segment honeycomb pattern, 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: Portrait, Landscape, Macro, Sports, Sunset, Night Portrait/Night View No scene modes or effects. Note that maximum shutter speed varies with aperture. Top shutter speeds are 1/2000s at f/5.6-f/16, 1/1600s at f/4.0-f/16 and 1/1250s at f/2.8-f/16.
Self Timer: 2 or 10 seconds 2 or 10 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 Normal, Redeye, Slow Sync., Redeye + Slow Sync (with compatible external flash unit)
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  
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot shoe Hot Shoe
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 No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW 12-bit RAW (.X3F), RAW+JPEG
Movie File Format:   AVI (Motion JPEG) with monaural sound
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 Yes
Remote Control: Yes No
Remote Control Type: Optional wireless  
Connections (extended): DC input, min-HDMI Combined USB/AV
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.48 1.68
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.78 1.84
Buffer size for RAW shooting in single shot mode (frames): Unlimited 9
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   1.88
Camera penalizes early shutter press? Yes Yes
JPEG shooting speed in burst mode (fps, max resolution): 2.4 3.8
Buffer size for JPEG shooting in burst mode (frames, max resolution): 21 7
RAW shooting speed in burst mode (fps):   3.8
Buffer size for RAW shooting in burst mode (frames):   7
RAW+JPEG shooting speed in burst mode (fps):   3.8
Buffer Size for RAW+JPEG shooting in burst mode (frames):   7
Shutter lag (full AF, wide/mid): 0.19 seconds 0.49 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 0.081 seconds
Shutter lag (full AF, with flash): 0.22 seconds  
Shutter Lag (prefocused): 0.107 seconds 0.043 seconds
Shutter Lag (notes): Full Autofocus Wide Area AF lag = 0.204s Full AF lag, Speed Priority AF mode = 0.424s
Startup Time: 0.6 seconds 2.9 seconds
Play -> Record Time: 0.2 seconds 0.8 seconds
Flash cycle time, full power: 4.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   97 shots
Battery Life, Still (CIPA Rating OVF/EVF): 510 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FH50 Proprietary BP-41
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FH50 Lithium-ion rechargeable 2 x Proprietary BP-41 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 SIGMA Photo Pro
OS Compatibility: Windows 2000/XP/Vista, Mac OS X (v. 10.13+) Windows, Mac OS
Miscellaneous
Notes & Features: SteadyShot Sensor-Shift Image Stabilization. Update of DP1x with same 14.8MP x 3 Foveon X3 Full Color sensor used in the SD1, 3-inch 920K-dot LCD, and dual TRUE II processors.