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Sigma SD1 Digital SLRs
The SD1 features a 46-megapixel 24×16mm APS-C X3 direct image sensor, dual TRUE (Three-layer Responsive Ultimate Engine) II image processing engines, Type I CF Card compatibilty, 11 point twin cross sensor autofocus system, a 3.0-inch LCD, O-ring sealing weather-resistant design, a lightweight magnesium alloy body, and is compatible with over 40 Sigma lenses.
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