Second layers

by adrien

D65 6 A LUCCA 12 03 13 CIN 2

CLICK ON THE PICTURES TO ZOOM

Red and Violet lines being almost parallel, a strong moiré appears. The yellowish appearance of the moiré figures is pure color-contrast illusion. Red lines are actually becoming less and less parallel here, so the moiré changes its shape in a regular way – producing figures that look like (an look like only!) distorted Newton rings (see below) :

NewtonsRings21-crop-1000x667

img source: http://isites.harvard.edu/fs/docs/icb.topic186204.files/images/NewtonsRings21-crop-1000×667.jpg

D65 6 A LUCCA 12 03 13 CIN 3

CLICK ON THE PICTURE TO ZOOM