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TitleMakerDate Made
Cemented bifocal lens: 'Jump-Free' crescent segmentView
Cemented bifocal lens: 'Wafer' segmentView
Cemented bifocal lens: Crescent segmentView
Cemented bifocal lens: Prismatic segmentView
Cemented bifocal lens: Straight-top segmentView
Cemented lenticular S.V. lens - flat-form20th c.View
Cemented stepped lenticular S.V. lens20th c.View
Chance's Arc Screen 'Protex' glass samplesChance Brothers LimitedEarly 20th c.View
Chance's Crookes Lens Flat A ShadeThomas Styring & Son LtdEarly-Mid 20th c.View
Charles Hymans' upcurve solid bifocal lensesView
Clarlet Comfort ETZeiss1970s?View
Clarlet FarbbezeichnungenZeiss1990s?View
Clarlet lens demonstration setZeiss1980s?View
Clarlet Transitions DemonstratorZeiss1990sView
Clip-on low Vision MonocularMid-Late 20th c.View
Coburn Fused 63mm White Multifocal LensCoburn Optical Ind., Inc.January 1983View
Collection of early AR CoatingsCambridge Optical Group; Transitions Optical Inc.; Balzers High Vacuum Ltd1970s-1980sView
Colormatic 2 demonstration lensRodenstockLate 1980sView
Comparison of glass and plastic microscopic LVA lenses1950s?View
Corrective Sunwear Lenses for SportEssilorEarly 2010sView
Crookes A2 tinted lens & envelopeMid 20th c.View
Crookes Alpha tinted lens & envelopeMid 20th c.View
Crookes B1 tinted lens & envelopeMid 20th c.View
Crookes B1 tinted prismatic toric lens & envelopeMid 20th c.View
Crookes B2 Equitint tinted lens & envelopeMid 20th c.View
Crookes B2 tinted lens & envelopeMid 20th c.View
Crookes Flat Lens A ShadeThomas Styring & Son LtdEarly-Mid 20th c.View
Crookes Glass - tinted trial lens samplesChance Brothers LimitedMid 20th c.View
Crookes Glass - tinted trial lens samplesChance Brothers LimitedMid 20th c.View
Crookes Lens A ShadeThomas Styring & Son LtdEarly-Mid 20th c.View
Crookes Periscopic Lens (envelope only)British Machine Chain LtdEarly-Mid 20th c.View
CS Photochromic lensEssilor20th c.View
Dark 'Rosal' tinted lensMid-Late 20th c.View
Dark green tinted lensMid-Late 20th c.View
Dark smoke tinted lensMid-Late 20th c.View
Decentred sun lens for Gucci frame GG 2653/SSafiloLate 20th c.View
Deep MinusMid 20th c.View
Deep Plus Post CataractMid 20th c.View
Demonstration lensHoyaView
Demonstration set of Quazar Anti-Reflection (AR) CoatingsBalzers High Vacuum LtdLate 1980sView
demonstration solid bifocal lensView
Dense Barium Crown lens20th c.View
Diagnostic and Therapeutic Ophthalmoscopic Lens Set: Digital 1.0X Imaging Lens / Digital Wide Field LensVolk Optical Incc.2006View
dispensing aid stickersPell Optical Co1970-1979View
display booklet of 'Soft-Lite' lensesSoft-Lite Lens Company; Bausch & Lomb20th c.View
Display of Norlite Lens FormsNorville Optical Company Limited1980s?View
Double 'Univis' ('Academy') fused trifocal lensUnited Kingdom Optical Company Ltd20th c.View
Double 'Univis' ('Academy') fused trifocal lensUnited Kingdom Optical Company Ltd20th c.View
Double circular segment fused trifocal lensView
Double upcurve trifocal lensView
Duralet spectacle lensZeiss (Oberkochen)c.1971View
Duralet spectacle lensZeiss (Oberkochen)c.1971View
E4600 upcurve semi-finished blankBirch-Stigmat Group LtdLate 20th c.View
Early 'Kryptok' fused bifocal lensKryptok LtdView
Early 'Kryptok' fused bifocal lensKryptok Ltd; C. W. Dixey & Son LtdView
Early fused bifocal lensZeissView
example of cut lens - margin intactMid 20th c.View
Example of lens edgingMid 20th c.View
Executive bifocal lens & envelopeMid 20th c.View
Executive trifocal lensView
Executive-type trifocal lensView
Feinbloom all-plastics aspherical telescopesDesigns for Vision Inc.1980-1985View
Feinbloom Bifocal glass telescope1958View
Feinbloom glass telescopic lensesc.1980View
Feinbloom Keplerian telescopes for standard trial frame1990View
Feinbloom microscopic unit trial set1958View
Feinbloom Mirrorscope1956View
Feinbloom Trifocal units1958View
Feinbloom wide angle reduced aperture distance telescopeDesigns for Vision Inc.Late 1970sView
Fernrohrbrille Aufsteckglas lensZeissMid-late 20th c.View
Fernrohrbrille Aufsteckglas lensesZeissMid-late 20th c.View
Flat lens & envelopeMid 20th c.View
Flattened lenticular S.V. lens20th c.View
Flattened lenticular S.V. lens with hand-edged aperture20th c.View
Flattened lenticular S.V. lens with optically-worked convex margin20th c.View
Formmuster Punktal-HalbentspiegelZeissMid 20th c.View
Fresnel lensMid-late 20th c.View
Fresnel lensMid-late 20th c.View
Fresnel lensMid-late 20th c.View
Fresnel lensG. Nissel & Company LtdMid-late 20th c.View
Fresnel lens20th c.View
Fresnel lens20th c.View
frosted lens / occluder20th c.View
Full field near vision telescopic unit (L.V.A. 22)Keelerc.1970View
Fused Bifocal - Part FinishedMid 20th c.View
Fused Bifocal - PolishedMid 20th c.View
Fused Bifocal - Rough BlankMid 20th c.View
Fused Bifocal - RoughedMid 20th c.View
fused bifocal lens1950s?View
Fused bifocal lensView


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