| Attribute | Value |
| General |
| Model | Pentax Optio W20 |
| Brand | Pentax |
| Manufacturer url | https://us.ricoh-imaging.com/ |
| Model number | W20 |
| Alternate model number(s) | Add |
| Camera format | Compact |
| Release year | Add |
| Tripod mount | + |
| Length | 107 mm |
| Width | 23 mm |
| Height | 55 mm |
| Weight | 150 g |
| Waterproof | - |
| Waterproof depth | Add |
| Predecessor | Add |
| Successor | Add |
| Image Sensor |
| Sensor type | CCD |
| Sensor manufacturer | Add |
| Effective megapixels | 7 MP |
| Sensor format | 1/2.5 inch |
| Sensor area | 24.71 mm² |
| Sensor width | 5.76 mm |
| Sensor height | 4.29 mm |
| Approximate pixel pitch | 1.88 micron |
| Focal Length Multiplier | Add |
| Aspect ratio | 4:3 |
| Color filter type | RGBG |
| Anti aliasing filter | Add |
| Self-cleaning | - |
| Sensor shift image stabilization | - |
| On-sensor phase detect | - |
| Dxo sensor score | Add |
| Dxo color depth score | Add |
| Dxo dynamic range score | Add |
| Dxo maximum effective iso score | Add |
| Image Capture |
| Image resolution | - 1024 x 768(0.8 mp 4:3)
- 1600 x 1200(1.9 mp 4:3)
- 2048 x 1536(3.1 mp 4:3)
- 2304 x 1728(4.0 mp 4:3)
- 2560 x 1920(4.9 mp 4:3)
- 3072 x 2304(7.1 mp 4:3)
- 640 x 480(0.3 mp 4:3)
|
| Image file format | |
| Continuous-mode | Add |
| Video Capture |
| Can take movies | + |
| Movie resolution | |
| Movie max framerate | Add |
| Image Storage |
| Movie file format | MOV (QuickTime MotionJPEG) |
| Composite video out | + |
| Ntsc/pal switchable video | + |
| Video usable as viewfinder | Add |
| Hd video out | Add |
| Hd video connection | Add |
| Lens and Optics |
| Lens mount | Add |
| Lens | PENTAX power zoom |
| Focal length (35mm equivalent) | 38.00 - 114.00 mm |
| Focal length (actual) | 9.00 mm |
| Zoom ratio | 3 x |
| Aperture range | 0.25 - 0.30 f |
| Integrated nd filter | - |
| Min focus range | 40 cm |
| Macro focus range | 1 - 60 cm |
| Filter thread | Add |
| Thread type | Add |
| Optical image stabilization | - |
| Digital zoom | + |
| Digital zoom values | |
| Auto Focus |
| Auto focus | + |
| Auto focus type | 9-point Contrast Detection w/ tracking and face priority |
| Auto focus assist light | - |
| Manual focus | + |
| Viewfinder |
| Viewfinder | LCD |
| Viewfinder type | Add |
| Focus peaking | - |
| Evf resolution | Add |
| Viewfinder magnification (35mm equivalent) | Add |
| Viewfinder magnification (nominal/claimed) | Add |
| Display |
| Eye-level viewfinder | - |
| Rear display | + |
| Rear display size | 2.5 inch |
| Rear display resolution | 115,000 dots |
| Touchscreen | - |
| Articulating screen | - |
| Tilt swivel screen | Add |
| Selfie screen | Add |
| Max playback zoom | 8 x |
| Top deck display | Add |
| Exposure |
| Maximum iso (native) | Add |
| Minimum iso (native) | Add |
| Iso settings | Auto, 64, 100, 200, 400, 800, 1600* (Blur Reduction / Report modes only) |
| Auto iso mode | - |
| White balance settings | - auto
- daylight
- fluorescent light
- manual
- shade
- tungsten light
|
| Shutter speed range | 1/2000 - 4 s |
| Bulb mode | - |
| Exposure compensation | +/- 2.0EV in 0.3EV steps |
| Explosure metering modes | TTL multi-segment w/ face recognition AE |
| Program auto exposure | + |
| Aperture priority | - |
| Shutter priority | - |
| Full manual exposure | - |
| Creative exposure modes | Program, Landscape, Flower, Portrait, Night scene, Surf & snow, Self-portrait, Food, Museum, Sport, Underwater, Underwater movie |
| Self timer | |
| Time lapse (intervalometer) | - |
| High resolution composite | - |
| Flash |
| Built-in flash | + |
| Flash modes | - auto
- auto + red-eye reduction
- flash-off
- flash-on
- flash-on + red-eye reduction
- soft flash
|
| Flash guide number (iso 100) | Add |
| Flash range description | ISO Auto: Wide: 0.98 ft - 16.4 ft (0.3m - 5m); 1.64 ft - 13.2 ft (0.5m - 4m) |
| Max flash sync | Add |
| Flash exposure compensation | Add |
| External flash connection | Add |
| Built-in wireless flash control | Add |
| Usable memory types | |
| Uhs support | Add |
| Other memory | Add |
| Dual card slots | - |
| Raw capture support | - |
| Uncompressed format | Add |
| Included memory | 21 MB |
| Included memory type | built-in memory |
| Connectivity |
| Built-in wi-fi | - |
| NFC | - |
| Bluetooth | - |
| Built-in gps | - |
| Microphone jack | - |
| Headphone jack | - |
| External connections | |
| Pictbridge compliant | + |
| Dpof compliant | + |
| Connections (extended) | |
| Power |
| Battery form factor | Proprietary D-LI8 |
| Usable battery types | |
| Batteries included | 1 x Proprietary D-LI8 Lithium Ion rechargeable |
| Battery charger included (dedicated charger or ac/usb adapter) | + |
| Software |
| Included software | - software s-sw58 (cd rom) with acdsee for pentax
|
| Os compatibility | |
| Miscellaneous |
| Notes and features | Rated as JIS Class 8 waterproof to 1.5 meters, and JIS Class 5 dustproof. |