• 1/2.33 inch 28.2mm2
  • 10.1 megapixels
  • 32.00mm - 96.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 12.2 megapixels
  • 28.00mm - 112.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio E70
  • Sony Cyber-shot DSC-W310
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: E70 DSC-W310
Alternate Model Number(s):    
Camera Format: Ultra Compact Ultra Compact
Currently Manufactured: No No
Retail Price: $139.95 $149.00
Street Price: $139.95 $83.97
Date Available: 2009-02-15 2010-02-15
Tripod Mount: Yes Yes
Weight: 5.6 oz (160 g)
includes batteries
4.8 oz (137 g)
includes batteries
Size: 3.8 x 2.1 x 0.9 in.
(97 x 54 x 22 mm)
3.8 x 2.2 x 0.7 in.
(95 x 55 x 19 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer:   Sony Super HAD
Effective Megapixels: 10.1 12.2
Sensor Format: 1/2.33 inch 1/2.3 inch
Sensor size: 28.198mm2 (6.13mm x 4.6mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.68 microns 1.54 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 4:3, 16:9
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: No No
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: 3648 x 2736 (10.0 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)
4000 x 3000 (12.0 MP, 4:3),
4000 x 2248 (9.0 MP, 16:9),
3264 x 2448 (8.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (EXIF 2.2) JPEG
Continuous-mode frames/second: n/a 0.9
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30/​15)
320x240 (30/​15)
640x480 (30)
320x240 (30)
Movie File Format: AVI (Motion JPEG) AVI (Motion JPEG)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: No No
HD Video Connection:
Lens & Optics
Lens Mount: n/a n/a
Lens: Pentax zoom lens, 6 elements, 5 groups (4 aspherical elements) Sony lens; 6 elements in 5 groups
Focal Length (35mm equivalent): 32 - 96mm 28 - 112mm
Focal Length (actual): 6.3 - 18.9mm 5 - 20mm
Zoom Ratio: 3.00x 4.00x
Aperture Range:   f/3.0/4.3 (W) - f/5.8/? (T) 2-steps
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
5 cm to Infinity
2.0 in to Infinity
Macro Focus Range: 10 - 100 cm
3.9 - 39.4 in
5 cm to Infinity
2.0 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: 2x Precision, up to 25x Smart Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point TTL contrast detection, Spot AF, Auto Tracking AF Contrast Detection; 9-area, Center-weighted
Auto Focus Assist Light? Yes No
Manual Focus: Yes No
Viewfinder
Viewfinder: LCD LCD
Viewfinder Type:    
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No No
Rear Display: Yes Yes
Rear Display Size (inches): 2.4 2.7
Rear Display Resolution: 112,000 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 8.0x
Top Deck Display:
Exposure
Maximum ISO (native):    
Minimum ISO (native):    
ISO Settings: Auto / Manual ISO 64 - 6400; ISO 3200 or above is at reduced 5 megapixel resolution Auto (100-800), 100, 200, 400, 1600, 3200
Auto ISO Mode: Yes Yes
White Balance Settings: TBD, Manual Auto, Daylight, Cloudy, Fluorescent 1/2/3, Incandescent, Flash
Shutter Speed Range: 1/2000 - 4 sec 1/2000 - 1 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: TTL Multi-Segment, Center-weighted, Spot Multi-pattern, Center-weighted, Spot
Program Auto Exposure: No Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: Auto Picture (7 modes) Easy, Smile, Softsnap, Landscape, Twilight portrait, High Sensitivity, Twilight, Snow, Beach, Gourmet
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, On, Off, Red-Eye Reduction Auto, On, Slow Synch, Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: Wide: 0.2 - 4.6m, Tele: 0.5 - 2.1m (ISO Auto) ISO Auto: 0.5m - 3.0m(W), 0.5m - 1.5m(T)
Max Flash Sync:    
Flash Exposure Compensation:    
External Flash Connection: n/a n/a
Built-In Wireless Flash Control:    
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 No
Uncompressed Format:    
Movie File Format: AVI (Motion JPEG) AVI (Motion JPEG)
Included Memory: 34.8 MB 6.0 MB
Included Memory Type: Internal Internal
Connectivity
Built-In Wi-Fi: No No
NFC: No 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: No
Remote Control Type:    
Connections (extended): DC Input Multiuse Terminal (AV(SD)/USB)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):    
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press?
JPEG shooting speed in burst mode (fps, max resolution):   0.9
Buffer size for JPEG shooting in burst mode (frames, max resolution):   100
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):    
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):    
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):    
Shutter Lag (notes):    
Startup Time:    
Play -> Record Time:    
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 620 shots (Lithium AA) 220 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: 2 x AA Proprietary NP-BN1
Usable Battery Types: Alkaline or Lithium disposable, NiMH rechargeable Lithium-ion rechargeable
Batteries Included: 2 x AA (type TBD) 1 x Proprietary NP-BN1 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): No Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Software CD-ROM S-SW87 Sony CD-ROM (Picture Motion Browser (PC), Picture Motion Browser Portable (PC/MAC), Music Transfer (PC/MAC)
OS Compatibility:   Windows XP/Vista/7, Mac OS X v10.3+
Miscellaneous
Notes & Features: Pixel Track SR, High-Sensitivity SR, Movie SR mode. Available colors: Champagne Gold, Wine Red, Deep Blue. Available in Silver, Black and Pink.