230821 1NL82A22(.KTT/G): http://farbe.li.tu-berlin.de/ees4/ees4.htm or http://color.li.tu-berlin.de/ees4/ees4.htm

For this page, see ees4 in English, egs4 in German.
For the previous similar page, see ees3 in English, egs3 in German.
For the next similar page, see ees5 in English, egs5 in German.

For the corresponding image page with 10 colour series, see eess in English, egss in German.
For the previous image page, see eers in English, egrs in German.
For the next image page, see eets in English, egts in German.

TUB-test chart ees4; Achromatic thresholds, 5 Lu & Lm on U
thresholds delta_L (0,4s), contrast and lightness;
experimental data of Lingelbach and Richter

Figure ees4l0n1: Output layout of page 1 of the file ees4l0np.pdf with the format A6, see
ees4l0n1. ps / txt / jpg / pdf
and the format A4 in the following tables.

One page, orientation A4L, Intended for pdf output, No linearization or transfer	One page, orientation A4L, Intended for ps output, No linearization or transfer
ees4l0np. ps / txt / pdf	ees4l0na. ps / txt / pdf

Two pictures of one page (left side)	Two pictures of one page (right side)
ees40-3n. ps / txt / pdf ees40-7n. ps / txt / pdf	ees41-3n. ps / txt / pdf ees41-7n. ps / txt / pdf