Dubroni's Landscape Lens, c. 1860

Huge Darlot Convertible "Objectif Universel", c. 1866

Universal Wide-Angle Lens Set (Convertible Lens – Objectif Unive

Darlot "Hémisphérique" Wide-Angle Lens, c. 1866

"Objectif d'Artiste, Formule Anachromatique, L. de Pulligny & C.

"Adjustable Landscape Lens No. 1" by Darlot, c. 1880

Darlot Wide-Angle Lens Universal, 1866 onwards

Large Lerebours et Secretan Lens (Petzval-Type), 1845 onwards

Hermagis "Eidoscope f/5 No. 2" (Soft Focus), c. 1903

Petzval-Type Lens by Hermagis, c. 1862

Convertible Lens No. 11824 by Hermagis, c. 1863

Optique Française, Ligny (Meuse), Objectif Anachromatique, c. 18

Derogy's Convertible Universal Lens (Objectif à foyer multiples

Teleobjectif Panorthoscopique by Clément & Gilmer, c. 1893

Convertible Lens "No. 1" by Berthiot, c. 1870

Rectilineaire Grand Angle No. 4 by E. Français, c. 1892

Petzval-Type Lens by Jamin, c. 1863

Landscape Lens by Bautain à Paris, c. 1850–55

Daguerreotype Landscape Lens, Probably by Richebourg, c. 1845

Landscape Lens by Gasc & Charconnet with Built-in Waterhouse Sto

Portrait Lens (Petzval-Type) by Vallantin, c. 1858

10 French Lenses, c. 1880–1910

Teleobjectif Panorthoscopique by Clément & Gilmer, c. 1893

Lerebours & Secretan Petzval-Type Landscape Lens, c. 1858

Jamin: Objectif Double à Cone Centralisateur, c. 1861

"Haupteigenschaften der sphärischen Spiegel und Linsen" by J.B.

Landscape Lens by Anzoux & Ganz, c. 1860

"Adjustable Landscape Lens" by M.L. de Pulligny for Artistic Lan

Wide-Angle "Periscope 4 ¼ x 3 ¼" by Laverne/Clé ment & Gilmer, c

Landscape Lens by Lerebours et Secretan, Paris, c. 1857