>>3957449micro contrast is just a low iq way of saying accutance, as you pointed out. and it's important, a lens resolving 100lp/mm at MTF 80 is a fuck ton more impressive than 100lp/mm at MTF 10.
And warmth can be measured in music gear, it could either be caused by a bias towards lower frequencies, or by distortion being predominantly on odd harmonics, rather than even.
Warmth and micro cotnrast are just easier words for people less technologically versed to express their opinion on characteristics of equipment. They're common sense words that people can easily relate to.
