• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 110.00mm (35mm eq.)
  • APS-C 369.7mm2
  • 14.2 megapixels
  • ISO 100 - 3200
  • Detailed specifications
  • Pentax Optio P80
  • Sony Alpha DSLR-A290
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: P80 DSLR-A290
Alternate Model Number(s):    
Camera Format: Ultra Compact SLR
Currently Manufactured: No No
Retail Price: $199.95 $499.99
Street Price:    
Date Available: 2009-09-15 2010-07-15
Tripod Mount: Yes Yes
Weight: 4.2 oz (119 g)
includes batteries
17.9 oz (508 g)
includes batteries
Size: 3.8 x 2.1 x 0.8 in.
(97 x 53 x 20 mm)
5.0 x 3.8 x 3.1 in.
(128 x 97 x 80 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer:   Sony
Effective Megapixels: 12.1 14.2
Sensor Format: 1/2.3 inch APS-C
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 1.54 microns 5.16 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 4:3, 16:9 3:2, 16:9
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   Fixed
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
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: 4000 x 3000 (12.0 MP, 4:3),
3072 x 2304 (7.1 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
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)
Image File Format: JPEG (EXIF 2.2) JPEG, RAW
Continuous-mode frames/second: 0.9 2.4
Video Capture
Can take movies: Yes No
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15)
Movie File Format: AVI (Motion JPEG)  
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: Pentax Zoom; 7 elements, 6 groups, 3 aspheric Sony 18-55mm f/3.5-5.6 DT SAM
Focal Length (35mm equivalent): 28 - 110mm 27 - 83mm
Focal Length (actual): 4.9 - 19.6mm 18 - 55mm
Zoom Ratio: 4.00x 3.00x
Aperture Range: f/2.6 (W) to f/5.8 (T) f/3.5 - 22 (W), f/5.6 - 36 (T)
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
 
Macro Focus Range: 10 - 50 cm
3.9 - 19.7 in
 
Filter Thread: n/a 55.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes No
Digital Zoom Values: Up to approx. 6.3X n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection; 9 point AF, Spot AF, Auto Tracking AF 9-point TTL phase detection (one cross-type sensor) with eye-start AF
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD 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
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: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 2.7
Rear Display Resolution: 230,000 dots 230,400 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x 14.0x
Top Deck Display: No
Exposure
Maximum ISO (native):   3200
Minimum ISO (native):   100
ISO Settings: Auto (64 - 800), Digital SR (64 - 6400), 64, 100, 200, 400, 800, 1600, 3200*, 6400*; *5MP Auto, 100, 200, 400, 800, 1600, 3200
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent, Manual Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Custom
Shutter Speed Range: 1/1000 - 4 sec 1/4000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: TTL Multi-segment, Center-weighted, Spot 40-segment honeycomb pattern, center-weighted, spot
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: Auto Picture (Standard, Landscape, Portrait, Night Scene Portrait, Night Scene, Sport, Flower, Candlelight), Night Scene, Night Scene Portrait, Half-Length Portrait (3M), Landscape, Flower, Portrait, Surf & Snow, Sport, Kids, Pet, Food, Fireworks, Frame Composite, Party, Natural Skin Tone... Portrait, Landscape, Macro, Sports, Sunset, Night Portrait/Night View
Self Timer: 2 or 10 seconds 2 or 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye, Soft Auto, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: : Approx 15’ (wide, auto ISO), 6.9’ (tele, auto ISO) Lens dependent
Max Flash Sync:   1/160
Flash Exposure Compensation:   +/- 2.0 EV in 0.3EV steps
External Flash Connection: n/a Hot shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC MS Duo / MS PRO Duo / SD / SDHC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   RAW
Movie File Format: AVI (Motion JPEG)  
Included Memory: 33.6 MB  
Included Memory Type: Internal  
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: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes
Remote Control Type:   Optional wireless
Connections (extended): DC-Input DC input, min-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): 0.9 2.4
Buffer size for JPEG shooting in burst mode (frames, max resolution): 3 18
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): 200 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   500 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI88 Proprietary NP-FH50
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI88 Lithium-ion rechargeable 1 x Proprietary NP-FH50 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 CD-ROM S-SW87 Software/USB Driver CD-ROM
OS Compatibility: Windows 2000/XP/Vista; MacOS-X 10.1.2-10.5 Windows 2000/XP/Vista/7, Mac OS X (v. 10.4+)
Miscellaneous
Notes & Features: PENTAX Shake Reduction (SR) technology features Pixel Track SR, Digital SR, and Movie SR to stabilize images and video. Smile Capture automatically captures pictures when your subject smiles, and Blink Detection alerts you if your subject's eyes are closed during the exposure. Available in Mint, Pearl and Black.