Petzval portrait lens, 8-inch focal length
Lens
Derogy
French, ca. 1870s
Petzval portrait lens, 8-inch focal length
1858
Metal and glass
Overall: 4 3/16 × 2 3/4 × 2 3/8 in. (10.6 × 7 × 6 cm)
Gift of Eastman Kodak Company, ex-collection Gabriel Cromer
1985.0774.0032
DescriptionSerial #14116, 8 inch Petzval portrait lens; rack & pinion focus mechanism; no slot for waterhouse stop.
Inscriptions Engraved in metal, lens barrel, C: No.14116 \ Derogy Fct.[Fabricant] \ [crown design] \ Breveté \ Paris & Londres