For comparison sake the FX01 starts out with ISO 80 FX01 @ ISO 100 FX07 @ ISO100 The FX01 calculated the exposure darker at ISO 200 FX07 @ ISO 200 The FX01 also calculated the exposure darker at ISO 400 Here is the FX01 again at ISO 400 but +2/3 stop Exp. Comp. FX07 @ ISO 400 Here is the FX07 at 800 ISO FX07 @ ISO 1250 (pretty much unusable) FX01 in "High Sensitivity" mode @ ISO 800\nBoth cameras feature a High Sensitivity mode\nOn the FX01 this yields ISO800 but with lots of noise reduction. However it does yield a usable picture in some situations. FX07 in "High Sensitivity" mode @ ISO 3200\neven at this higher ISO the new camera keeps more detail FX01 closer crop @ ISO 100 FX07 closer crop @ ISO 100\nAt ISO 100 the FX01 appears to have a little less noise\nBut the FX07 looks like it has more sharpening applied. FX01 closer crop @ ISO 200\nAt ISO 200 the FX01 noise reduction blurs detail FX07 closer crop @ ISO 200\nHere the Noise Reduction retains more detail.