For measurement of the luminous efficacy and luminous flux of large objects with the help of an Integrating sphere, GL Optic have developed their Opti Sphere 2000 (GLS 2000).
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For measurement of the luminous efficacy and luminous flux of large objects with the help of an Integrating sphere, GL Optic have developed their Opti Sphere 2000 (GLS 2000).
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