1、SMPTE RECOMMENDED PRACTICE RP 59-1 999 Revision of RP 59-1995 Color and Luminance of Review Room Screens for Viewing Motion-Picture Materials Intended for Slides or Film Strips 1 Scope This practice specifies the luminance (photometric brightness) and color quality of projection illumination in revi
2、ew rooms for prints on motion-picture film intended for ultimate use as siides or film strips. distribution of a black body at a color temperature between 3200 K (x = 0.42, y = 0.40) and 3450 K (x = 0.41, y = 0.41), which is the approximate color qual produced by a 3200 K (incandescent) lamp burned
3、at its rated voltage as modified by normal lamphouse optics and heat-absorbing filter in the projector. 2 Luminance level 4 Special applications The luminance (photometric brightness) at the center of thescreenshall be 16fLtr2fL(55cd/m2i7cd/m2), measured within the standard observing area with the p
4、rojector in complete operation but with no film in the aperture. 3 Spectral distribution The color quality of the projected light reflected from the screen surface shall approximate the spectral Annex A (informative) Additional data It is the purpose of this practice to specify the brightness and co
5、lor quality of standard review room conditions for the subjective evaluation of motion-picture prints in the labora- tory when the intended use of the prints will be as slides or film strips. If the viewing conditions used to establish normal printing conditions of density and color balance for any
6、laboratory Annex B (informative) Bibliography ANSIISMPTE 196M-1995, Motion-Picture Film - Indoor Theater and Review Room Projection - Screen Luminance and Viewing Conditions Prints balanced for higher color temperatures may be requested when use conditions are known to require them for optimum quali
7、ty (such as for xenon or arc projection or for television). ANSVSMPTE 196M encompasses the above specifications as part of a broader set of specifications and gives detailed descriptions of methods of measurement and sur- rounding conditions. EBU 3091 should be used when slides are specifically requ
8、ested for television. are the same from laboratory to laboratory, there should be greater consistency in standard prints from various sources. Because the conditions of ultimate use may vary greatly in terms of such factors as screen brightness and ambient light, it is quite possible that prints may
9、 be ordered at densities greater or less than normal. EBU 3091 (1970), Optical Viewing Conditions for Films Intended for Colour Television Copyright O 1999 by the SOCIETY OF MOTION PICTURE AND TELEVISION ENGINEERS 595 W. Hartsdale Ave., White Plains, NY 10607 (914) 761-1 100 Approved November 5, 1999
