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• case: Housed within a water-resistant and dustproof case this rugged, durable, compact and easily transportable handheld is a miracle of modern technology.

• rating: Third in the PENTAX waterproof digital line-up, the Optio W10 features JIS Class 8 Waterproof and JIS Class 5 dustproof ratings.

• housing: In practice, more dustproof housings are used to protect cameras from inquisitive little fingers, than any overwhelming clouds of sooty particulates.