The Pentax Optio W20 has 7 megapixels, 3x optical and 4x digital zoom and the addition of a Shake Reduction mode which means high quality, precise photographs without subject blurring. The inclusion of Face Recognition AF & AE also means that portrait photography results in quality prints.

There is a built-in memory of 22MB and the Optio W20 is compatible with SD and SDHC memory cards. Still image files are JPEG (Exif 2.2), DCF, DPOF, PRINT Image Matching III and movie files are MOV (QuickTime Motion JPEG) at 30fps and 15fps with sound (WAV/PCM, monaural). Images can be viewed on the 2.5" TFT colour low reflective LCD and playback includes a digital filter (black and white, sepia, fisheye and various colours).

Pentax W20 ISO equivalents are auto and manual (64/100/200/400/800/1600) with sensitivity being auto selected up to 1600 in the blur reduction mode. White balance modes are auto, manual, daylight, shade, tungsten and fluorescent and the Optio W20 has a built-in auto flash with flash-on, flash-off, soft flash and red-eye reduction modes.

Focus area is 9-point multi autofocus/Spot AF, Tracking AF switchable with still ranges in pan and manual focus and movie ranges in normal, macro, pan, manual and infinity landscape. The Pentax Optio W20 has 25 special scene modes where settings have already been selected to suit different situations and these include; night, movie, underwater, sport, surf and snow, fireworks, text, natural skin tone, landscape and portrait.

The Pentax W20 is powered by a rechargeable D-L18 lithium-ion battery and there is an optional AC adaptor available. The Optio W20 is PAL, NTSC and PictBridge compatible.