 | Martin H. Weik - 1983 - 1064 σελίδες
[ Λυπούμαστε, το περιεχόμενο αυτής της σελίδας είναι περιορισμένο ] | |
 | Martin H. Weik - 1989 - 1240 σελίδες
[ Λυπούμαστε, το περιεχόμενο αυτής της σελίδας είναι περιορισμένο ] | |
 | 1990 - 314 σελίδες
...Diaphram (Stop) Location in an Optical System 9-2. Optical Components - Continued c. Filters (Colored) . Filters (or ray filters) are colored glass disks with...intensities. They are provided as separate elements (A, fig. 9-8) or mounted so they may be placed in or out of position as desired (B and C, fig. 9-8).... | |
 | 1977 - 240 σελίδες
...final analysis the true field of the instrument must be governed by the eyepiece. 4-28 4-11. FUtere. a. General. Filters or ray filters are colored glass...the path of light through the optical system of a fire-control instrument to reduce glare and light intensities. They are provided as separate elements... | |
 | 1992 - 328 σελίδες
...PLANE OF EXIT PUPIL Figure 9-7. Diaphragm (Stop) Location in an Optical System c. Filters (Colored) . Filters (or ray filters) are colored glass disks with...in the path of light through the optical system of a-fire control instrument to reduce glare and light intensities. They are provided as separate elements... | |
 | Robert J. Hoss - 1993 - 312 σελίδες
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 | Kai Sondergaard, J. Lyngaae-Jorgensen - 1995 - 604 σελίδες
...filter is usually of special glass, gelatin, or plastic optical parts with plane parallel surfaces that are placed in the path of light through the optical system of an instrument to selectively absorb certain wavelengths of light, reduce glare, or reduce light intensity.... | |
 | Fred A. Carson - 2011 - 356 σελίδες
[ Λυπούμαστε, το περιεχόμενο αυτής της σελίδας είναι περιορισμένο ] | |
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A filter is usually of special glass, gelatin, or plastic optical parts with plane parallel surfaces that are placed in the path of light through the optical system of an instrument to selectively absorb certain wavelengths of light, reduce glare, or... 