230201 1NL82A22(T1): http://farbe.li.tu-berlin.de/AEQ4/AEQ4.HTM or http://color.li.tu-berlin.de/AEQ4/AEQ4.HTM

For this page, see AEQ4 in English, AGQ4 in German.
For the previous similar page, see AEQ3 in English, AGQ3 in German.
For the next similar page, see AEQ5 in English, AGQ5 in German.

For the corresponding image page with 10 colour series, see AEQS in English, AGQS in German.
For the previous image page, see AEPS in English, AGPS in German.
For the next image page, see AERS in English, AGRS in German.

TUB-test chart AEQ4; Achromatic thresholds for 5 Lu,
thresholds delta_L (0,4s), contrast and lightness;
experimental data of Lingelbach and Richter

Figure L0N1: Output layout of page 1 of the file AEQ4L0NP.PDF with the format A6, see
AEQ4L0N1. 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
AEQ4L0NP. PS / TXT / PDF	AEQ4L0NA. PS / TXT / PDF

Two pictures of one page (left side)	Two pictures of one page (right side)
AEQ40-3N. PS / TXT / PDF AEQ40-7N. PS / TXT / PDF	AEQ41-3N. PS / TXT / PDF AEQ41-7N. PS / TXT / PDF