Originally Posted by HarryT
Remember that contrast is measured with a photometer - it's a purely objective measurement.
But "a 25% increase" is a relative measurement.
25% of what? A "white on black" refelctivity ratio? Expressed id dB? Is it a peak value? or an average?
But what really counts is the subjective part: how much does a 25% increase improve actual reading?
Can't wait to answer this last question from direct experience....