• APS-C 369.7mm2
  • 14.2 megapixels
  • ISO 100 - 3200
  • 1/2.3 inch 28.1mm2
  • 16.1 megapixels
  • 24.00mm - 100.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha DSLR-A290
  • Nikon Coolpix P310
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: DSLR-A290 P310
Alternate Model Number(s):    
Camera Format: SLR Compact
Currently Manufactured: No No
Retail Price: $499.99 $329.95
Street Price:   $168.95
Date Available: 2010-07-15 2012-02-15
Tripod Mount: Yes Yes
Weight: 17.9 oz (508 g)
includes batteries 		6.8 oz (194 g)
includes batteries
Size: 5.0 x 3.8 x 3.1 in.
(128 x 97 x 80 mm) 		4.1 x 2.3 x 1.3 in.
(103 x 58 x 32 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer: Sony BSI
Effective Megapixels: 14.2 16.1
Sensor Format: APS-C 1/2.3 inch
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 5.16 microns 1.34 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2, 16:9 4:3
Color Filter Type: RGBG  
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 66  
DxO Color Depth Score (bits): 22.6  
DxO Dynamic Range Score (evs): 11.5  
DxO Maximum Effective ISO Score (iso): 615  
Image Capture
Image Resolution: 4592 x 3056 (14.0 MP, 3:2),
4592 x 2576 (11.8 MP, 16:9),
3408 x 2272 (7.7 MP, 3:2),
3408 x 1920 (6.5 MP, 16:9),
2288 x 1520 (3.5 MP, Other),
2288 x 1280 (2.9 MP, Other) 		4608 x 3456 (15.9 MP, 4:3),
3264 x 2448 (8.0 MP, 4:3),
2272 x 1704 (3.9 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
640 x 480 (0.3 MP, 4:3),
4608 x 2592 (11.9 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
4608 x 3072 (14.2 MP, 3:2),
3456 x 3456 (11.9 MP, 1:1)
Image File Format: JPEG, RAW JPEG
Continuous-mode frames/second: 2.4 7.0
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (30p)
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) n/a
Lens: Sony 18-55mm f/3.5-5.6 DT SAM Zoom-Nikkor VR
Focal Length (35mm equivalent): 27 - 83mm 24 - 100mm
Focal Length (actual): 18 - 55mm 4.3 - 17.9mm
Zoom Ratio: 3.00x 4.20x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 36 (T) f/1.8 (wide) / f/4.9 (tele) - ???
Integrated ND Filter: No No
Normal Focus Range:   30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:   2 cm to Infinity
0.8 in to Infinity
Filter Thread: 55.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 2x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point TTL phase detection (one cross-type sensor) with eye-start AF Contrast Detection with Subject Tracking
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: Optical / LCD (playback only) LCD
Viewfinder Type: SLR type; eye-level pentamirror, 95% coverage, 0.83x mag., 16.5mm eyepoint, -2.5 to +1.0 diopter  
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 921,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 14.0x  
Top Deck Display: No
Exposure
Maximum ISO (native): 3200  
Minimum ISO (native): 100  
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200 Auto (auto gain from ISO 100 to 1600), Fixed range auto (ISO 100 to 400, 100 to 800), ISO 100, 200, 400, 800, 1600, 3200, Hi 1 (equivalent to 6400), Hi 2 (equivalent to 12800 in High ISO monochrome special effects mode)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Custom  
Shutter Speed Range: 1/4000 - 30 sec  
Bulb Mode: Yes No
Exposure Compensation: +/- 2.0EV in 0.3EV steps  
Metering Modes: 40-segment honeycomb pattern, 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 21 scene modes plus special effects including Soft Focus, Sepia, High Key, Low Key, High Contrast and High ISO Monochrome
Self Timer: 2 or 10 seconds 10 or 2 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off Auto, Auto w/ Red-eye Reduction, Flash Off, Flash On, w/ Red-eye Reduction, Flash Off; Slow Syncro
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: Lens dependent n/a
Max Flash Sync: 1/160  
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps  
External Flash Connection: Hot shoe n/a
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:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes
Uncompressed Format: RAW  
Movie File Format:    
Included Memory:   90.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: No No
NFC:
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
Remote Control Type: Optional wireless  
Connections (extended): DC input, min-HDMI HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.50  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.46  
Buffer size for RAW shooting in single shot mode (frames): 5  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 2.4 7.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 18 5
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid): 0.20 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  
Shutter lag (full AF, with flash): 0.22 seconds  
Shutter Lag (prefocused): 0.107 seconds  
Shutter Lag (notes): Full AF lag, Auto Area = 0.200s  
Startup Time: 0.5 seconds  
Play -> Record Time: 0.4 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   230 shots
Battery Life, Still (CIPA Rating OVF/EVF): 500 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FH50 Proprietary EN-EL12
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FH50 Lithium-ion rechargeable 1 x Proprietary EN-EL12 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Software/USB Driver CD-ROM Nikon ViewNX 2 CD-ROM
OS Compatibility: Windows 2000/XP/Vista/7, Mac OS X (v. 10.4+) Windows, Mac OS
Miscellaneous
Notes & Features: Optical VR Image Stabilization, f/1.8 Maximum Aperture Lens, 1080p Full HD Movies w/ Stereo Sound, 21 Scene modes including Backlight HDR and Easy Panorama, Subject Tracking AF, Smart Portrait System. Available in black.