MidOpt - DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter

$207.00
$207.00

SKU: DB660/850-25.5

The MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter is designed for Normalized Difference Vegetation Index (NDVI) imaging... Learn more
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Details
Details

The MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter is designed for Normalized Difference Vegetation Index (NDVI) imaging applications. When using a single camera, this filter allows reflected red light (660nm) to be captured in the camera sensor’s red channel and reflected near-IR (NIR) 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 separation 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 NIR light. This information can then be used to apply a false color gradient to images to better highlight the contrast between regions of healthy vegetation versus areas with stressed, diseased or no vegetation. MidOpt Multi-Bandpass Filters have a broad, Gaussian passband to mimic and accommodate the entire output of the most common LED wavelengths, are double-side polished for exceptional parallelism and optical flatness and are anti-reflection (AR) coated to limit glare and minimize reflection loss.

Specs
Specs

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

Technical Data
Technical Data

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MidOpt Multi-Bandpass Filters
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MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt - DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt - DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
MidOpt - DB660/850 Dual Bandpass Red + 850nm Near-Infrared (IR) Filter
$207.00
$207.00