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  • Midwest Optical DB660/850 Dual Bandpass Red + 850nm NIR, 645-675nm, 830-870nm Range

    Model #
    MWO DB660/850
    Availability
    Typically 2-5 days
    Shipping
    Calculated at checkout
    $0.00
    Quantity


    Technical Information

    The DB660/850 filter has been designed primarily for NDVI imaging applications. When using a single camera, incorporation of this filter allows reflected red light (660nm) to be captured in the camera sensor’s red channel and reflected near- infrared light (850nm) to be captured in the sensor’s blue channel (the green channel is not used). Even when using an inexpensive consumer camera (that has first had its IR blocking filter removed), this easy separation then makes it possible to post-process the red and blue channels for NDVI by performing the calculation: NDVI = (blue – red) / (blue + red). Healthy vegetation will absorb (not reflect) red light and strongly reflect near-infrared light. Thus this information can then be used to apply a false color gradient to images to better highlight the contrast between regions of healthy vegetation vs. areas with stressed/diseased or no vegetation.

    • Useful Range : 645-675nm, 830-870nm
    • FWHM : 40nm, 50nm
    • Tolerance : +/-5
    • Peak Transmission : ≥90%
    • Surface Quality : 40/20

     

    Note: Midwest Optical filters are considered to be special order items and are thus not returnable.

     

    Download Datasheet:

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