• 0.98 inch 285.7mm2
  • 4.6 megapixels
  • 28.00mm (35mm eq.)
  • APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Sigma DP1
  • Sony Alpha ILCA-A77 II
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Sony A77
A77 vs A77 II
Successor:    
General
Model Number: DP1 A77 II
Alternate Model Number(s):   ILCA-77M2
Camera Format: Mid-Sized SLR
Currently Manufactured: No Yes
Retail Price: $999.00 $1799.99
Street Price:   $1,198.00
Date Available: 2008-03-31 2014-06-15
Tripod Mount: Yes Yes
Weight: 9.8 oz (278 g)
includes batteries
47.7 oz (1,351 g)
includes batteries, kit lens
Size: 4.5 x 2.3 x 2.0 in.
(113 x 60 x 50 mm)
5.6 x 4.1 x 3.2 in.
(143 x 104 x 81 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Foveon X3 Sony
Effective Megapixels: 4.6 24.3
Sensor Format: 0.98 inch APS-C
Sensor size: 285.66mm2 (20.70mm x 13.80mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 7.84 microns 3.92 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 3:2, 16:9 3:2
Color Filter Type: Full Color RGBG
Anti Aliasing Filter:   Fixed
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 2640 x 1760 (4.6 MP, 3:2),
2640 x 1485 (3.9 MP, 16:9),
1872 x 1248 (2.3 MP, 3:2),
1312 x 880 (1.2 MP, Other)
6000 x 4000 (24.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
4240 x 2832 (12.0 MP, 3:2),
4240 x 2400 (10.2 MP, Other),
3008 x 2000 (6.0 MP, 3:2),
3008 x 1688 (5.1 MP, 16:9),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other)
Image File Format: JPEG (EXIF 2.21), 12-bit RAW (.X3F) JPEG (EXIF 2.3), 12-bit RAW (ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 3.8 11.5
Video Capture
Can take movies: Yes Yes
Movie Resolution: 320x240 (30) 1920x1080 (60p/​28Mbps/​PS or 60i/​24Mbps/​FX or 60i/​17Mbps/​FH or 24p/​24Mbps/​FX or 24p/​17Mbps/​FH)
1440x1080 (30p/​12Mbps)
640x480 (30p/​3Mbps)
Movie File Format: AVI AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a Sony Alpha (Minolta A)
Lens: Sigma Lens (6 Elements in 5 Groups) Sony 16-50mm f/2.8 DT SSM (SAL1650)
Focal Length (35mm equivalent): 28mm 24 - 75mm
Focal Length (actual): 16.6mm 16 - 50mm
Zoom Ratio: Non-Zoom 3.13x
Aperture Range: f/4.0 - 11 f/2.8 - f/22 (W/T)
Integrated ND Filter: No No
Normal Focus Range: 50 cm to Infinity
19.7 in to Infinity
30 cm to Infinity
11.8 in to Infinity
Macro Focus Range: 30 cm to Infinity
11.8 in to Infinity
 
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: 3.0x 1.4x / 2x Smart Zoom, 2x Clear Image Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point contrast detection Phase Detection: 79 points, 15 cross-type, f/2.8 center sensor
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD EVF / LCD
Viewfinder Type: Optional add-on type. EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter
Focus Peaking: No Yes
EVF Resolution: n/a 2,359,296 dots (786,432 pixels)
Viewfinder Magnification (35mm equivalent):   0.73x
Viewfinder Magnification (nominal/claimed):   1.09x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.5 3.0
Rear Display Resolution: 230,000 dots 1,229,760 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom:   13.6x
Top Deck Display: Yes
Exposure
Maximum ISO (native):   25600
Minimum ISO (native):   100
ISO Settings: Auto (100 - 200), Flash (100 - 400), 100, 200, 400, 800 Auto; 100-25600; 50/64/80 extended; Auto/100-51200 in Mutli-frame NR
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, Color Temp. 2500 to 9900K, Color Filter G7 to M7 (15-step), Custom 1/2/3
Shutter Speed Range: 1/2000 - 15 sec 1/8000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Evaluative, center-weighted average, spot 1200-zone Evaluative, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes:   Scene Modes: Portrait, SportsAction, Macro, Landscape, Sunset, Night Scene, Hand-held Twilight (6 shot layering), Night Portrait; Picture Effects: Toy Camera (Normal/Cool/Warm/ Green/Magenta), Pop Color, Posterization (color/B/W), Retro Photo, Soft High-key, Partial color (R/G/B/Y), High Contrast Monochrome, Soft Focus (Hi/Mid/Lo), HDR Painting (Hi/Mid/Lo), Rich Tone Monochrome, Miniature (7Setting), Watercolor, Illustration (Hi/Mid/Lo)
Self Timer: 2 or 10 seconds 2, 10; 3 or 5 frames after 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Anti red-eye, Auto, Fill-in, Slow Sync, Off Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync (with external flash), Slow sync, Red-eye reduction: On/Off
Flash Guide Number (ISO 100): 6.0 12.0 m / 39.4 ft.
Flash Range Description: ISO 200: 30cm to 2.1m GN=12(m) at ISO 100; Range is lens aperture dependent
Max Flash Sync:   1/250
Flash Exposure Compensation:   +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe (X Sync. Contact) Multi Interface Hot shoe, Sync terminal
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC MS Duo / MS PRO Duo / SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.X3F) 12-bit RAW (ARW 2.3), RAW+JPEG
Movie File Format: AVI AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No No
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,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional wireless, wired or via Wi-Fi
Connections (extended): Audio out (monaural) Type-D Micro HDMI; Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 5.70 0.36
Cycle time for RAW shooting in single shot mode (seconds per frame): 6.47  
Buffer size for RAW shooting in single shot mode (frames): 7  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.37
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 3.8 11.5
Buffer size for JPEG shooting in burst mode (frames, max resolution): 3 26
RAW shooting speed in burst mode (fps):   12.0
Buffer size for RAW shooting in burst mode (frames):   28
RAW+JPEG shooting speed in burst mode (fps):   12.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   24
Shutter lag (full AF, wide/mid): 1.53 seconds 0.09 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.160 seconds 0.095 seconds
Shutter lag (full AF, with flash): 1.71 seconds 0.21 seconds
Shutter Lag (prefocused): 0.132 seconds 0.051 seconds
Shutter Lag (notes): "Full AF" mode used.  
Startup Time: 3.9 seconds 0.8 seconds
Play -> Record Time: 0.2 seconds 0.9 seconds
Flash cycle time, full power: 8.2 seconds 3.1 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 250 shots 480 shots
Battery Life, Still (CIPA Rating OVF/EVF):   410 shots
Battery Life, Video:    
Battery Form Factor: Proprietary BP-31 Proprietary NP-FM500H
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BP-31 Lithium-ion rechargeable 1 x Proprietary NP-FM500H 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: SIGMA Photo Pro Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4)
OS Compatibility: Windows, Mac OS Windows, Mac OS X
Miscellaneous
Notes & Features: Optional accessories include: Optical View Finder VF-11, Hood Adapter HA-11, SAC-3 AC Adapter, Electronic Flash EF-140 DG New 79-point phase detection AF system with 15 cross-type sensors, BIONZ X processor, 12fps burst mode with continuous AF, Full HD 60p/24p movies using AVCHD 2.0, clean HDMI output, built-in Wi-Fi with NFC, optional VG-C77AM grip.