Lens Testing Chart (distortion)
Image: 6 1/2 x 4 1/2 in. (16.5 x 11.4 cm)
Paper: 11 x 7 3/4 in. (27.9 x 19.7 cm)
Paper: 11 x 7 3/4 in. (27.9 x 19.7 cm)
Credit Line
Bequest of Wilma Wilcox, 1993
Accession No.
13904.1993