| Attribute | Olympus Stylus 820 × | Pentax Optio WS80 × |
|---|---|---|
| General | ||
| Model | Olympus Stylus 820 | Pentax Optio WS80 |
| Brand | Olympus | Pentax |
| Manufacturer url | http://www.olympusamerica.com/ | https://us.ricoh-imaging.com/ |
| Model number | 820 | WS80 |
| Camera format | Ultra Compact | Ultra Compact |
| Release year (year) | 2007 | 2009 |
| Tripod mount | + | + |
| Length (mm) | 96 | 92 |
| Width (mm) | 24 | 23 |
| Height (mm) | 56 | 59 |
| Weight (g) | 140 | 125 |
| Waterproof | - | - |
| Image Sensor | ||
| Sensor type | CCD | CCD |
| Effective megapixels (MP) | 8 | 10 |
| Sensor format | 1/2.35 inch | 1/2.3 inch |
| Sensor area (mm²) | 27.26 | 28.07 |
| Sensor width (mm) | 6.03 | 6.17 |
| Sensor height (mm) | 4.52 | 4.55 |
| Approximate pixel pitch (micron) | 1.85 | 1.69 |
| Aspect ratio | 4:3, 16:9 | 4:3, 16:9 |
| Color filter type | - | RGBG |
| Self-cleaning | - | - |
| Sensor shift image stabilization | - | - |
| On-sensor phase detect | - | - |
| Image Capture | ||
| Image resolution |
|
|
| Image file format |
|
|
| Continuous-mode (fps) | 6.5 | 1.1 |
| Video Capture | ||
| Can take movies | + | + |
| Movie resolution |
|
|
| Image Storage | ||
| Movie file format | AVI (Motion JPEG) | AVI (Motion JPEG) |
| Composite video out | + | + |
| Ntsc/pal switchable video | + | + |
| Hd video out | - | - |
| Lens and Optics | ||
| Lens | Olympus lens (8 elements in 6 groups, 4 aspherical) | Pentax zoom; 10 elements in 8 groups, 4 aspherical elements |
| Focal length (35mm equivalent) (mm) | 36.00 - 180.00 | 35.00 - 175.00 |
| Focal length (actual) (mm) | 4.00 - 32.00 | 2.00 - 31.00 |
| Zoom ratio (x) | 5 | 5 |
| Aperture range (f) | 0.20 - 0.29 | 0.21 - 0.26 |
| Integrated nd filter | - | - |
| Min focus range (cm) | 70 | 40 |
| Macro focus range (cm) | 3 - 70 | 10 - 50 |
| Optical image stabilization | - | - |
| Digital zoom | + | + |
| Digital zoom values (x) |
|
|
| Auto Focus | ||
| Auto focus | + | + |
| Auto focus type | CCD Contrast Detection with iESP Auto, Spot AF, Face Detection AF, Full-Time AF | 9-point Contrast Detection with face recognition, spot, pan, and auto tracking modes |
| Auto focus assist light | - | - |
| Manual focus | - | + |
| Viewfinder | ||
| Viewfinder | LCD | LCD |
| Focus peaking | - | - |
| Display | ||
| Eye-level viewfinder | - | - |
| Rear display | + | + |
| Rear display size (inch) | 2.7 | 2.7 |
| Rear display resolution (dots) | 230,000 | 230,000 |
| Touchscreen | - | - |
| Articulating screen | - | - |
| Tilt swivel screen | - | - |
| Selfie screen | - | - |
| Max playback zoom (x) | 10 | 10 |
| Exposure | ||
| Iso settings | Auto, 50, 100, 200, 400, 800, 1600, 3200 | Auto (64-800), Digital SR (64-6400), Manual (64-6400), ISO 3200/6400 limited to 5mpix |
| Auto iso mode | - | + |
| White balance settings |
|
|
| Shutter speed range (s) | 1/2000 - 4 | 1/1500 - 4 |
| Bulb mode | - | - |
| Exposure compensation | +/- 2.0EV in 0.3EV steps | +/- 2.0EV in 0.3EV steps |
| Explosure metering modes | Digital ESP Metering, Spot Metering, Face Detection AE (when Face Detection AF is selected) | Multi-segment, Center-weighted, Spot |
| Program auto exposure | + | + |
| Aperture priority | - | - |
| Shutter priority | - | - |
| Full manual exposure | - | - |
| Creative exposure modes | Portrait, Landscape, Landscape+portrait, Night Scene, Night+portrait, Sport, Indoor, Candle, Self Portrait | Auto Picture (Standard, Landscape, Portrait, Night Scene Portrait, Night Scene, Sport, Flower, Candlelight), Night Scene, Movie |
| Self timer (s) |
|
|
| Time lapse (intervalometer) | - | + |
| High resolution composite | - | - |
| Flash | ||
| Built-in flash | + | + |
| Flash modes |
|
|
| Flash range description | ISO 800: Wide: 0.66ft (0.2m) � 12.8ft. (3.9m); Tele: 2.0ft (0.6m) � 8.5ft. (2.6m) | 11’ (wide, auto ISO), 9.2’ (tele, auto ISO) |
| Usable memory types |
|
|
| Dual card slots | - | - |
| Raw capture support | - | - |
| Included memory (MB) | 47 | 33 |
| Included memory type | Internal | Internal |
| Connectivity | ||
| Built-in wi-fi | - | - |
| NFC | - | - |
| Bluetooth | - | - |
| Built-in gps | - | - |
| Microphone jack | - | - |
| Headphone jack | - | - |
| External connections |
|
|
| Pictbridge compliant | + | - |
| Dpof compliant | + | + |
| Remote control | - | - |
| Connections (extended) |
| - |
| Performance Timing | ||
| Max cycle time for jpeg shooting (s/frame) | 3.35 | - |
| Camera penalizes early shutter press | - | - |
| Jpeg shooting speed in burst mode (max resolution) (fps) | 6.5 | 1.1 |
| Buffer size for jpeg shooting in burst mode (max resolution) (frames) | 11 | - |
| Shutter lag (full af, wide/mid) (s) | 0.54 | - |
| Shutter lag (full af, tele) (s) | 0.92 | - |
| Shutter lag (full af, with flash) (s) | 0.82 | - |
| Shutter lag (prefocused) (s) | 0.09 | - |
| Shutter lag (notes) | Continuous mode is 2048x1546 pixels max. | - |
| Startup time (s) | 2.1 | - |
| Play -> record time (s) | 1 | - |
| Flash cycle time, full power (s) | 3.7 | - |
| Power | ||
| Battery life, stills (cipa rating monitor/live view) (shots) | 300 | 200 |
| Battery form factor | Proprietary LI-42B | Proprietary D-LI88 |
| Usable battery types |
|
|
| Batteries included | 1 x Proprietary LI-42B Lithium Ion rechargeable | 1 x Proprietary D-LI88 Lithium-ion rechargeable |
| Battery charger included (dedicated charger or ac/usb adapter) | + | + |
| Software | ||
| Included software |
|
|
| Os compatibility |
|
|
| Miscellaneous | ||
| Notes and features | All-Weather: Equivalent to IEC Standard publication 529 IPX4 | Waterproof and dustproof design allows underwater photography up to five feet for up two hours (JIS Class 8 standard) |