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LicenseCardboard carton containing a trifocal lens, 'Varilux'
Science Museum Group
© 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
