Demainbray's convex lens
1750
Achromatic doublet lens with a focal length of 52 inches
1780
Pair of safety goggle lenses, with case
Set of opticians trial lenses in wooden box
Two "Franklin Split Bifocal" lenses: (1) Oval
Photo lens Ross patent airo
Photo lens
Photo lens
Photo lens
Photo lens
Photo lens
Photo lens
Selenium glass signal lens
2a. Patent portrait lens front crown
Cylindrical concave lens, focal length about 75mm
1900-1980
Cylindrical bi-concave lens
1900-1983
Cylindrical plano-convex lens
1900-1983
Lenses illustrating manufacture of Dallmeyer Stigmatic F/6 lens
Lenses illustrating manufacture of Dallmeyer Stigmatic F/6 lens
Watson close-up lens
Two green lenses set in a wooden holder
Two biconvex lenses
Horn framed reading lens with trefoiled handle
1680-1700
Optician's trial set of lenses
Reading lens in wooden frame and handle
1650
Reading lens in leather mount, 1701-1730
1701-1720
Stanhope lens
1829-1845
Stanhope lens of greenish glass
Aspheric lens used for slide projectors
1980
Super Takumar F3.5 135mm Lens
Takumar F3.5 135mm Lens
Pentax FA F4 28-70mm Lens
Pentax 110 Zoom F2 20-40mm Lens
Takumar Zoom F4 45-125mm Lens
Tale Takumar F3.5 135mm Lens
Auto Takumar F3.5 35mm Lens
Takumar A F2.8 28mm Lens
Schneider 150mm Symmer -S lens
Photo Lens, Ross Patent Airo f5
Box Of Lenses
Mounting for lens
"Fold up" stereoscopic viewer housing a magnifying lens and stereoscopic lenses
1930-1970
Box containing Two Varamorph Anamorphic Lenses
circa 1954
Box containing a 7 1/2 Inch Lens
Box containing Two 4 3/4 Inch Lenses
Curved sheet of translucent plastic with rivetted lens
Lens type PS 0120001 polished and anti-reflection coated by Barr and Stroud Ltd.
1986
Germanium lens
1980-1986
Thallium bromo-iodide lens, one of ten, c. 1960
1955-1965
Thallium bromo-iodide lens, one of ten, c. 1960
1955-1965