Steve Shapiro regales us thusly --- >Ansel expressed his preference to non coated lenses in a letter to >Cole when the young Weston was shipping for a lens, at the beginning >of his individual career. AA said he wanted to control the > wavelength with filter choices of his own, not to rely on the > interpretation of the manufacturers' coating. AA talks about uncoated lenses in one of his books, how they (via flare acting as a preflash of sorts) falsely raise the values in the shadows, lowering contrast by one paper grade. He comments on Strand noticing this, and one filmmaker of the day. Of course, later he did use coated lenses. -- Luis