The actual sensitivity of each indicated ISO is measured using the same shots as are used to measure ISO noise levels, we simply compare the exposure for each shot to the metered light level (using a calibrated Sekonic L-358), middle gray matched. We estimate the accuracy of these results to be +/- 1/6 EV (the margin of error given in the ISO specifications). In our tests we found that measured ISOs from the Sony DSC-RX100 II (like the RX100) match the marked ISOs within 1/6 stop accuracy, meaning ISO 125 indicated = ISO 125 measured.
The RX100 II's JPEGs are rendered with very little noise at low ISOs, with incremental increases until ISO 3200. The new BSI sensor appears to be doing its job, as an ISO 3200 shot from the RX100 II looks about the same as an ISO 800 shot from the RX100 in terms of noise, though rendering of detail in the test shot shows that the ISO 3200 shot looks more smoothed out. The Canon G1X, with a slightly larger sensor, shows its size with noticeably better detail rendering than either Sony camera at ISO 800 and above.
Detail rendered from the RX100 II in our ACR Raw noise comparison looks about as expected. At ISO 200 there's a good deal more fine detail in the RX100 II's image than the X20's, but the RX100 II doesn't fare as well as the Olympus E-M5 O-MD. The chart shows about a half stop advantage to the RX100 II over the RX100, though it's difficult to spot the difference visually in the images of the color chart.
Sony DSC-RX100M II Cyber-shot Digital Still Camera 20.2MP, Black | $679.99 |
Sony DSC-RX100M II Cyber-shot Digital Still Camera 20.2MP, Black | $679.99 |
Focus Camera Sony Cyber-shot DSC-RX100M2/B RX100M2 RX100M II RX100MII 20.2MP Wi-Fi Digital Camera with F1.8 Carl Zeiss Vario-Sonnar T Lens and Full HD 1080p Video at 60fps + Sony 64GB SDHC Class 10 Memory Card + Wasabi NP-BX1 Battery Pack + Sony Camera Case + Micro HDMI Cable + Focus Multi Memory Card Wallet | $748.00 |
Sony Cyber-shot DSC-RX100M2/B RX100M2 RX100M II RX100MII 20.2MP Wi-Fi Digital Camera Bundle with Sony 64GB Memory Card + Wasabi Power Replacement Battery for Sony DSC-RX1 + Sony Black Carrying Case + Wrist Grip Strap + Camera Accessories | $788.00 |
Sony DSC-RX100M II DSC-RX100M2 DSC-RX100MII RX100M2 RX100MII DSC-RX100M II Cyber-shot Digital Still Camera 20.2MP, Black Bundle with 64GB Class 10 High Speed Card, Spare Battery, Micro HDMI Cable SD Card Reader, Mini Tripod + More! | $759.00 |
Sony DSC-RX100/B 20.2 MP Exmor CMOS Sensor Digital Camera with 3.6x Zoom | $598.00 |
Sony Cyber-shot DSC-RX100M2/B RX100M2 RX100M II RX100MII 20.2MP Wi-Fi Digital Camera Bundle with Sony 32GB Memory Card + Wasabi Power Replacement Battery for Sony DSC-RX1 + Sony Black Carrying Case + Wrist Grip Strap + Camera Accessories | $768.00 |
Sony Cyber-Shot DSC-RX100mII DSC-RX100m II DSC-RX100M2/B RX100 II + LoweProCase (Sage) + Battery + Charger + Giotto's Blower + Lens Pen Cleaning System + 64GB Kit | $748.00 |
Sony Cyber-Shot DSC-RX100mII DSC-RX100m II DSC-RX100M2/B RX100 II + LoweProCase (Red) + Battery + Charger + Giotto's Blower + Lens Cleaning System + 64GB Kit | $748.00 |
Sony Cyber-shot DSC-RX100 Digital Camera (Black) 32GB Package 3 | $598.00 |
Sony DSC-RX100 II Cyber-shot Digital Still Camera DSC-RX100 MARK II | $734.99 |
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