Science & Invention

Robert Waland

Selection of optical lenses, prisms and eyepieces

Period:
20th Century
Description:

The refractor telescope uses a set of curved glass lenses (which change the direction of the light as it passes through them) to produce an image.

 

The reflecting telescope uses a concave mirror to reflect the light and produce an initial image which may then be manipulated by lenses.

Materials/Media:
brass, glass, celluloid
Source:
Dumfries Museum & Camera Obscura
Accession Number:
DUMFM:1999.7.12
Digital Number:
DMSI006a-e
Copyright:
Dumfries & Galloway Council
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