Ophthalmic lens blank in Sundance photochromic glass

Ophthalmic lens blank in Sundance photochromic glass

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Ophthalmic lens blank in Sundance photochromic glass
Science Museum Group
© The Board of Trustees of the Science Museum

Ophthalmic lens blank in Sundance photochromic glass, short-range grey tint, type SDX1, transmittance 55% to 10%, by Chance-Pilkington, St Asaph, Denbighshire, Wales, United Kingdom, 1986-1987

Details

Category:
Optics
Object Number:
1987-22
Materials:
glass
Measurements:
overall: 10 mm 69 mm, .027kg
type:
ophthalmic lens blank
credit:
Chance-Pilkington