Measurements with autocollimators by TRIOPTICS
= Measurements with autocollimators by TRIOPTICS
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https://www.trioptics.com/applications/alignment-and-testing-of-optical-components/angle-measurement/autocollimators
Manufacturer primary apparatus account: shared collimator/telescope optical path with beam splitter and reticle image at infinity; Checking straightness section, mirror support base b and height relation h=b tan(alpha). Numeric focal-plane example independently derived.