Above----Very true I think There in NO correct exposure also, one just cannot mathch any scene to real sight of human eye, b'cos the eye can dynamically adjust to a large spectrum of intensities. the Correct expoure as you call it I think, should be decided so as to suit the Mood of the situation you want to portray. Ansel adams zone system helps a lot for visualizing the final mood of the print(posted 9209 days ago)thanks shreepad