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Auxiliary lens unit / telescopic unit / miniature distance telescope
OPHTHALMIC LENSES
low vision lens
Asia: Japan
c.1960
metal; glass
2013.588
OPHTHALMIC LENSES
low vision lens
Asia: Japan
c.1960
metal; glass
Set of four telescopic units for low vision patients. Round lenses with black-painted metal bell-shaped/conical barrels. Limited X2 screw-focussing.
2013.588
The Norman Bier Collection, transfer from City University, 2013