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Marshall Electronics Inc., Optical Systems
- Torrance, CA
Collimated Holes Inc.
- Campbell, CA
Glossary
pinhole eyepiece
A type of eyepiece, or the modification of an eyepiece, in which a small hole, without a lens, functions as the eye lens; used in the adjustment and alignment of microscopes.
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precision aperture
pinhole aperture
small hole apertures
optical systems masking devices
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