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Apertometer for microscope objectives
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Apertometer for microscope objectives
Apertometer for microscope objectives
CS
C J D Spencer
C J D Spencer
WW
W T Welford
W T Welford
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1 August 1961
journal article
research article
Published by
IOP Publishing
in
Journal of Scientific Instruments
Vol. 38
(8)
,
328
https://doi.org/10.1088/0950-7671/38/8/305
Abstract
In conventional apertometers accuracy is limited by parallax between the effective aperture stop and the scale image. This is overcome by the use of a projection system in the device described.
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Cited by 2 articles