'Porro' type optical system taken from field glass binoculars

Made:
1930-1950
maker:
Barr and Stroud Limited

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'Porro' type optical system with modified cemented 'Porro' glass prisms and cemented magnifying eye-piece field-lens, taken from (7 x 50) field glass binoculars by Barr and Stroud Limited, Glasgow, Scotland, 1930-1950.

Details

Category:
Optics
Object Number:
1955-322
Materials:
Canada balsam, glass and stainless steel
type:
component - object
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • optical instrument component
  • prism - optical
  • erecting prism
  • roof prism
credit:
Banfield, Arthur Clive