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5. Projector instruments
5.1 Collimators
To adjust optical instruments, it is often necessary to have a distant light source, located in a stable direction. In a laboratory or workshop, distances are rarely large enough for a source to be considered infinite in relation to the instrument being adjusted. This is remedied by placing the source in the object focal plane of a lens or mirror, which gives an image at infinity (figure 18...
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Projector instruments
References
Manufacturers. Distributors
French manufacturers
Angénieux (lenses).
Bertin & Cie (various instruments).
Bodson SA (endoscopes).
Cerco (objectives).
Fichou (components).
Strong (endoscopes).
Instruments SA, Jobin-Yvon division (components, various instruments).
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