Trifocal lens, 'Varilux' lens with a continuous variation vision power

Made:: 1960-1966 in France

maker:: Essel

Cardboard carton containing a trifocal lens, 'Varilux'

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Cardboard carton containing a trifocal lens, 'Varilux'
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© The Board of Trustees of the Science Museum

Cardboard carton containing a trifocal lens, 'Varilux', by Essel, France, 1960-1966. This lens has a continuous variation of power for vision at intermediate distances.

Details

Category:: Optics

Object Number:: 1966-168

Materials:: cardboard, vinyl, felt, paper (fibre product) and glass

Measurements:: carton closed: 21 mm x 88 mm x 88 mm, .076kg

type:: lens - component

credit:: Societe des Lunetiers

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Trifocal lens, 'Varilux' lens with a continuous variation vision power

Details

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