Beck wide angle rectilinear lens, F:7 f/16-64. Iris diaphragm also calibrated US 16-256 No 4015. Beck Wide Angle Rectilinear Lens
Beck wide angle rectilinear lens, F:7 rotating aperture plate f/16, 22.6, 32, 45.2, 64. Lens No 24 89. Beck Wide Angle Rectilinear Lens
Busch Wide Angle lens, Aplanat No 2 Serie C. F:6 rotating aperture plate f/16/22/32/45/64. Emil Busch. Busch wide angle aplanat lens
35mm f/3.5 lens for Signet camera; EV scale; helical focusing; in leather pouch. Signet Wide Angle lens
Periscope wide angle lens, made by A. Laverne & Co. Successors to Clenment and Gilmer, Paris. Wide angle rapid rectilinear lens for 3 1/4 x 4 1/4" plates, c: F13cm, f/16 rotating plate with four apertures in flange. (M1685) Periscope Wide Angle Lens 1895-1905
Ross Xpres wide angle lens F:5 inch f:4-11 No 132787 E.M.I air ministry reference no. 14A/843. Ross Xpres Wide Angle Lens
Wray wide angle lens, F:4 for 4 1/4 x 3 1/4 plates rotating aperture plates f5.6,8,11,16,22. Nos 8686 and 8687. Wray wide angle lens
Wide angle Rapid Rectilinear lens F:5 inch rotating aperture plate, f/16,22,32,44,64. In flange. Wide Angle Rapid Rectilinear Lens