230702 1NL82A22(.KTT/G): http://farbe.li.tu-berlin.de/een4/een4.htm or http://color.li.tu-berlin.de/een4/een4.htm

For this page, see een4 in English, egn4 in German.
For the previous similar page, see een3 in English, egn3 in German.
For the next similar page, see een5 in English, egn5 in German.

For the corresponding image page with 10 colour series, see eens in English, egns in German.
For the previous image page, see eems in English, egms in German.
For the next image page, see eeos in English, egos in German.

TUB-test chart een4; Achromatic thresholds for 5 Lu,
thresholds delta_L (0,4s), contrast and lightness;
experimental data of Lingelbach and Richter

Figure een4l0n1: Output layout of page 1 of the file een4l0np.pdf with the format A6, see
een4l0n1. 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
een4l0np. ps / txt / pdf	een4l0na. ps / txt / pdf

Two pictures of one page (left side)	Two pictures of one page (right side)
een40-3n. ps / txt / pdf een40-7n. ps / txt / pdf	een41-3n. ps / txt / pdf een41-7n. ps / txt / pdf