lens for USAAF Aircraft camera, type K20, 1940-1945
1940-1945
burning glass
1780-1800
Nikon WC-E63 lens
Three lenses
1760-1850
Convex lens
1760-1850
Two convex lenses
1760-1850
Convex lens
1760-1850
Plano-convex lens in cylindrical mount
Glass lens in threaded mounting cell
1800-1850
Two concave and one convex lens
1760-1850
Plano-convex lens mounted in flange
Plano-convex lens mounted in flange
Four crown glass convex lenses
Lenses in mounts
Convex lens in slide holder
1750-1800
Convex lens in circular mount
1760-1850
Automatic triplet lens
Convex lens
Green glass lens
Convex lens in mount
Six lenses of varying size and type
Two lenses in circular box
Model: showing concave lens virtual image
1752-1755
Lens polisher
Reading glass magnifying lens in horn frame
1701-1750
concave lens
1790-1819
Two cork and one wood framed polari-scope lenses
Plano-convex lens in mount
Lens on adjustable arm
1850-1924
1 Convexo convex lens
1790-1819
Aldis Anastigmat Lens
Ross Xpres Lens
Ross Xpres Lens
circa 1920
Cooke Anastigmat Lens F.4.5 6" f.l.
circa 1924
Dallmeyer anastigmat lens F.8
circa 1920
Rapid Symmetrical Lens
circa 1880
Cooke Process Anastigmat Lens Series VB
'The International' Folding Bellows Tailboard Field or Stand Camera, Case and Three Book Form Double Darkslides.
1887
Rapid Rectilinear Lens
circa 1900
Ross Definex Lens
circa 1948
Anastigmat Lens
c.1904
Aldis anastigmat lens F.7.7
circa 1920
Cooke Telekinic Anastigmat Lens
Ross Xpres lens F.3.5 4 inch f.l.
circa 1924
Cooke Speed Panchro Lens
Universal lens No.1 F.4 7.5 inch with Waterhouse stops
circa 1885
Watson Zoom Lens
Beck "Neostigmar" series IIIn No.3 F.7 7.5" f.l.
circa 1922
Beck Symmetrical Lens
circa 1890