Abstract

Spectral densities of photographic lenses can be determined by the Cary Model 11 MS recording spectrophotometer if small apertures are placed in the sample and comparison compartments to reduce the diameter of the measuring beam, and a supplementary lens is used to concentrate the transmitted beam on the cathode of the phototube. The results are consistently reliable as long as the light transmitted through the sample lens can be made to fall on the phototube in approximately the same position as when the instrument was balanced.

© 1960 Optical Society of America

Collaborative Readings with the Cary-14 Spectrophotometer*

J. M. Vandenbelt
J. Opt. Soc. Am. 50(1) 24-27 (1960)

Absorptivity Recorder

D. D. Tunnicliff and Roland C. Hawes
J. Opt. Soc. Am. 50(11) 1039-1042 (1960)

Integrating Sphere for the Measurement of Reflectance with the Beckman Model DR Recording Spectrophotometer

John A. Jacquez, Wayne McKeehan, John Huss, James M. Dimitroff, and Hans F. Kuppenheim
J. Opt. Soc. Am. 45(11) 971-975 (1955)

A System for Microspectrophotometry Employing a Commercial Recording Spectrophotometer

Paul K. Brown
J. Opt. Soc. Am. 51(9) 1000-1008 (1961)

Ultraviolet Wavelength Range Extension of the General Electric Spectrophotometer*

F. Grum and P. T. Scharf
J. Opt. Soc. Am. 50(8) 816-819 (1960)