 | Pentax Optio M85 | Sony Alpha 550 |
|---|---|---|
| Resolution | 12 Megapixel | 14.2 Megapixel |
| Sensor size | 1/2.3-inch | 23.4x15.6mm |
| Sensor type | CCD | CMOS |
| Digital zoom | Yes | No |
| Built-in flash | Yes | Yes |
| Video out | Yes | Yes |
| Video recording | Yes | No |
| File formats | JPEG | JPEG, RAW, RAW - JPEG |
| USB port | USB 2.0 Hi-Speed | USB 2.0 Hi-Speed |
| Firewire port | No | No |
| White balance | Auto, Cloudy, Daylight, Fluorescent, Incandescent, Manual | Auto, Cloudy, Daylight, Flash, Fluorescent, Incandescent, Manual, Sunny, User Set Color Temperature |
| Self-timer | Yes | Yes |
| Bluetooth | No | No |
| Weight | 128 g | 599 g |
| Dimensions | 90x58x19 mm | 137x104x84 mm |
| Storage | SDHC, Secure Digital | Memory Stick Pro, Memory Stick Pro Duo, SDHC, Secure Digital |
| Battery | Li-Ion | Li-Ion |
| Minimum shutter speed | 2 sec | 30 sec |
| Maximum shutter speed | 1/2000 sec | 1/4000 sec |
| Maximum resolution | 4000x3000 pixels | 4592x3056 pixels |
| Minimum resolution | 640x480 pixels | 2288x1520 pixels |
| Auto focus | Yes | Yes |
| Manual focus | No | Yes |
| Flash modes | anti red-eye, auto, fill in, off, slow flash | anti red-eye, auto, fill in, off, slow flash |
| Aperture priority | No | Yes |
| Shutter priority | No | Yes |
| External flash | No | Yes |
| Exposure compensation | -2EV - +2EV with 1/3EV steps | -3EV - +3EV with 1/2 or 1/3EV steps |
| Video sound | Yes | No |
| Frames per second (fps) | 30 | 0 |
| Voice recording | Yes | No |
| Optical viewfinder | No | Yes |
| Electronic viewfinder | No | No |
| LCD size | 3-inch | 3-inch |
| LCD monitor | Yes | Yes |
| Metering modes | Multi-segment | Center weighted, Multi-segment, Spot |
| ISO ratings (light sensitivity) | auto, 80 - 3200 | auto, 200 - 12800 |
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