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Auxiliary lens unit / telescopic unit
OPHTHALMIC LENSES
low vision lens
Mid-late 20th c.
metal; glass
overall: 46 mm x 49 mm
2013.584
OPHTHALMIC LENSES
low vision lens
Mid-late 20th c.
metal; glass
overall: 46 mm x 49 mm
Telescopic unit for low vision patients. Round lens with black metal conical barrel, screw bracket for attachment to another device and push-on auxiliary lens.
2013.584
The Norman Bier Collection, transfer from City University, 2013