Lens Testing Chart (distortion)
Image: 7 5/8 x 4 7/8 in. (19.4 x 12.4 cm)
Paper: 8 1/4 x 5 1/2 in. (21 x 14 cm)
Paper: 8 1/4 x 5 1/2 in. (21 x 14 cm)
Credit Line
Bequest of Wilma Wilcox, 1993
Accession No.
13846.1993