It featured a 10.3 megapixel APS-C CMOS sensor (21.5 × 14.4 mm), a size typically used in DSLRs and rarely used in bridge cameras (which were using at that time 2/3" (= 6.6 × 8.8 mm) or 1/1.8" (= 5.3 × 7.1 mm)).

This was the first time such a large sensor was incorporated into a bridge camera.

[1] Besides the APS-C sensor, the DSC-R1 also featured a 14.3–71.5 mm Carl Zeiss Vario-Sonnar T* lens, providing for an angle of view equivalent to 24–120 mm on a full frame camera.

Compared to a standard DSLR the Sony DSC-R1 had the following advantages: and the following disadvantages: Media related to Sony Cyber-shot DSC-R1 at Wikimedia Commons

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