'Porro' type optical system taken from field glass binoculars

Made:: 1930-1950 in Glasgow

maker:: Barr and Stroud Limited

'Porro' type optical system with modified cemented 'Porro'

This image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print

License this image for commercial use at Science and Society Picture Library

'Porro' type optical system with modified cemented 'Porro'
Science Museum Group
© The Board of Trustees of the Science Museum

'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:: glass, Canada balsam and stainless steel

Measurements:: overall: 50 mm x 50 mm x 30 mm, .03kg

type:: porro–abbe prism and component - object

credit:: Banfield, Arthur Clive

Cite this page

Rights

We encourage the use and reuse of our collection data.

Data in the title, made, maker and details fields are released under Creative Commons Zero . Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence

Using our data

Download

Download catalogue entry as json

Download manifest IIIF

Our records are constantly being enhanced and improved, but please note that we cannot guarantee the accuracy of any information shown on this website.

'Porro' type optical system taken from field glass binoculars

Details

Related Objects

Pair of plastic National Health Service spectacles

Telescope by John Yarwell.

‘Visual glasses’ designed by Benjamin Martin

Telescope by Christopher Cock

Handheld reading lens and case

Telescope by John Marshall