Lens Testing Chart (distortion)
Image: 6 1/8 x 4 1/2 in. (15.6 x 11.4 cm)
Paper: 6 5/8 x 5 1/4 in. (16.8 x 13.3 cm)
Paper: 6 5/8 x 5 1/4 in. (16.8 x 13.3 cm)
Credit Line
Bequest of Wilma Wilcox, 1993
Accession No.
13844.1993