Official FAQ about the Huey →
Answers most questions one might have about the Huey and has some well explained background information about monitor calibration.
Monitor brightness and the Huey
The way I understand things are that more expensive calibration software [than the Huey] allows one to set a brightness level, e.g. 120 cd/m^2. Depending on the amount of ambient light, slightly different settings, e.g. between 100 - 140 cd/m^2 might be good settings. Moreover, depending on the final output of the photografic material, one might choose different settings. Since printed...
Aperture - Levels, Exposure and Curves
The exposure slider in Aperture does pretty much the same as moving the right bottom sliders in Levels. One difference is that one naturally can move the right slider in levels only to the left. The exposure slider can be moved in both directions. The brightness slider does the exactly the same, except that it acts on the left bottom control in Levels. The contrast slider acts on both the right...