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We test resolution in laboratory conditions using an industry standard test chart. Resolution is quoted in line widths/picture height, a standard comparison method for digital cameras. We tested the RX1R II across a wide ISO range and shooting both JPEG and RAW files. Our charts also show the results from three of its rivals:
- Sony RX1R: This is the RX1R II's predecessor and it uses the same lens and body shape, though the sensor is an older 24-megapixel design.
- Leica Q: Expensive but beautiful fixed-lens high-end compact from Leica, also with a full frame sensor.
- Fuji X100T: The X100T has a smaller 16-megapixel APS-C sensor, but it's pitched at the same quality-conscious audience and it's considerably cheaper.
JPEG resolution analysis: The combination of the Sony's Zeiss lens and non-anti aliased 42Mp sensor have proved too much for our test chart, and the RX1R II's resolution is off the scale right up until ISO 6400. It beats all of its rivals by some margin.
Raw (converted to TIFF) resolution analysis: The Sony's raw files don't show quite the same resolution advantage as its JPEGs, but it's still visibly better than its nearest rival, the Leica Q, with the old Sony RX1R and Fuji X100T trailing in third place.
