Amazon.com: 32GB Class 10 SDHC High Speed Memory Card For PENTAX OPTIO W20 E60 M60. Perfect for high-speed continuous shooting and filming in HD. Comes with Hot Deals 4 Less All In
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PENTAX Optio W20 Battery Replacement
Amazon.com: VI VINTRONS 850mAh Battery for PENTAX Optio W20, Optio WP, Optio Wpi, Optio X : Electronics
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Pentax Optio W20, another waterproof digital camera - Panbo