Lens Testing Chart (distorton)
Image: 7 7/8 x 4 3/4 in. (20 x 12.1 cm)
Paper: 10 x 8 1/8 in. (25.4 x 20.6 cm)
Paper: 10 x 8 1/8 in. (25.4 x 20.6 cm)
Credit Line
Bequest of Wilma Wilcox, 1993
Accession No.
13867.1993