Request InfoSpectrum IlluminationThe BL series of backlights from Spectrum Illumination LLC are designed for applications that require high output and even illumination over a large area. The backlights range from 2 x 4 in. to 12 x 12 in. and feature 12 surface-mount LEDs per square inch for even light output. Red, white and IR LEDs are available. The connectors offer 24-VDC input and built-in constant/ strobe operation.See full productRelated content from Photonics MediaPRODUCTSPromoted Content June 2022 IssueSeiwa Optical Infrared OpticsSeiwa introduces new SWIR lens and camera series. SWIR lenses have a super wide focal length 6 mm and 8 mm and low distortion of 0.7% and 1.1%. 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