Lens Testing Chart (distortion)
Image: 7 1/8 x 5 in. (18.1 x 12.7 cm)
Paper: 8 1/8 x 5 3/8 in. (20.6 x 13.7 cm)
Paper: 8 1/8 x 5 3/8 in. (20.6 x 13.7 cm)
Credit Line
Bequest of Wilma Wilcox, 1993
Accession No.
13845.1993