Terms and Definitions¶
Davidson, M. W., & Primer, F. S. U. O. M. Terms and Definitions: Prisms.
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Domain-specific¶
- Optical Square
- … achieves the 90-degree deviation through two reflecting faces; the useful constant-deviation property makes the beam direction comparatively insensitive to a small rotation of the prism around the appropriate axis, but does not erase manufacturing error, index variation, locating error, or other alignment terms.
This sourceDefines the pentaprism's two reflecting surfaces, 90-degree deviation behavior, and use as an optical square in surveying and alignment machinery; also distinguishes right-angle, corner, and other prism functions.
- … achieves the 90-degree deviation through two reflecting faces; the useful constant-deviation property makes the beam direction comparatively insensitive to a small rotation of the prism around the appropriate axis, but does not erase manufacturing error, index variation, locating error, or other alignment terms.
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