1. Optics

    Absorptive block filters from Midwest Optical Systems have AR coating on both sides

    Feb. 28, 2017
    The SP635 absorptive visible shortpass/near-IR block filters are commonly used inside cameras to block IR light.
    Content Dam Lfw Online Articles 2017 02 Midopt Sp635 Trans Graphic

    The SP635 absorptive visible shortpass/near-IR block filters are commonly used inside cameras to block IR light or to protect the camera’s sensor from stray light. Features include AR coating on both sides, 380–585 nm wavelength range, 635 nm cutoff wavelength, peak transmission >90%, and a surface quality of 40/20.
    Midwest Optical Systems
    Palatine, IL
    http://midopt.com

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