United States of America

Photo Research Inc
9731 Topanga Canyon Place
Chatsworth, CA 91311-4135

Photo Research Inc


Photo Research is the world leader and innovator in high precision, state of the art electro-optical instrumentation and systems. Photo Research has delivered world-class light and color measurement solutions, serving the cathode ray tube ("CRT")/flat panel display ("FPD"), automotive, aerospace, lighting, motion picture, research and development and related industries for over 60 years.


Photo Research has three main product lines. The Spectra product line offers systems to a wide variety of industries for research, quality control and on-line testing. This line includes the only truly portable battery operated Spectroradiometer; the PR-650 fast scanning SpectraColorimeter. The PR-730/735 SpectraScan complements this line with an industry first automated aperture wheel with up to six apertures. The Pritchard® line originated with the industry workhorse the PR-1980 series.


Photo Research Optical Metrology Laboratory (PROML) is a supplier of and service provider to optical radiation standards, calibration and measurement for major manufacturers of instruments, displays, devices and materials. All Photo Research instruments are calibrated to NIST-traceable standards.


Photo Research developed many industry standards, such as Spectra Pritchard Optics, utilized in astronomical and star-simulation measurements. Photo Research is also instrumental in supporting standards for organizations including VESA, ISO and SAE.

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