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polarizing film for the light source
Most silicon camera sensors have some sensitivity in the UV spectrum
These filters are also excellent for use in vegetative health monitoring applications where separate blue plus near-IR imaging sensors / cameras are used as opposed to the more traditional NDVI index applications that utilize red plus near-IR wavelengths
visible (VIS) and near-infrared (IR)
Absorptive Visible (VIS) Shortpass / Near-Infrared (IR) Block Filter, 380-585nm - MidOpt SP635 Size:30.5mm polarizing film for the lightThe MidOpt SP635 Absorptive Visible (VIS) Shortpass Near Infrared (IR) Block Filter is recommended for use inside a camera to block IR light. When working with any camera that has been modified to have its internal IR cut filter removed, an SP635 is mounted on the front of the lens when needed to return the camera's function to the unmodified version. As an absorptive IR block filter, it's also recommended for protecting the cameras sensor from stray
US$ 29.99
US$ 670.00