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Photonics Buyers' Guide
OSA150D Fast Optical Spectrum Analyzer
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Ultra Compact Fizeau /Twyman Green Interferometers for Optical Testing
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A dioptometer is a telescopic system having an eyepiece, a reticle and an objective. The instrument measures wavefront power in diopters.
TRIOPTICS GmbH - Wedel, Germany
The Whole Spectrum of Optical Metrology Since 1992 TRIOPTICS GmbH has been a leading manufacturer of optical test equipment for industrial and scientific use. The company has focused on research and development of accurate and automatic optical test and measurement instruments. The...
Vermont Photonics Technologies Corp. - Brattleboro, VT
Optical test, metrology and quality control equipment including the Elcomat autocollimator, collimators, spherometers, focometers, visual autocollimators, alignment telescopes, goniometers, divided-circle spectrometers, electronic autocollimators, alignment systems, refractometers, interferometers,...
TRIOPTICS Japan Co., Ltd., Sub. of TRIOPTICS GmbH - Shizuoka, Japan
A telescopic system having an eyepiece, a reticle and an objective. The instrument measures wavefront power in diopters.
A unit of optical measurement that expresses the refractive power of a lens or prism. In a lens or lens system, it is the reciprocal of the focal length in meters. For example, if a lens has a focal length of 25 cm, the lens would have a power of 4...
A scale located on the eyepiece focusing screw and used to measure the amount of defocusing of the eyepiece in diopters. The reciprocal of the image distance in meters is a measure of the amount of defocusing in diopters.
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