TB550/660/850-82 Green Red NIR Triple Bandpass Filter M82x0.75

Midwest Optical SystemsSKU: TB550/660/850-82

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Sale price$1,223.00 USD

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Description

MidOpt TB550/660/850-82 Green Red NIR Triple Bandpass Filter

MidOpt triple bandpass filters are primarily designed for aerial agriculture mapping and surveying purposes. Green-Red-Near IR data is used for applications where Chlorophyll Vegetation Index (CVI) and other vegetative index monitoring is preferred. TB550/660/850 filters, when mounted in converted consumer cameras, can help in achieving a more affordable, lightweight alternative to systems using three or more cameras or sensors.

Some of the formulas that are employed in these cases include:
Chlorophyll Vegetation Index
CVI = (NIR * Red) / (Green ^ 2)
Normalized Green
NG = Green / (NIR + Red + Green)
Normalized Near Infrared
NNIR = NIR / (NIR + Red + Green)
Normalized Red
NR = Red / (NIR + Red + Green)
Triangular Vegetation Index
TVI =0.5 * (120 * (NIR – Green) – 200 * (Red – Green))

MidOpt TB550/660/850-82 Technical Specifications:

Filter Model TB550/660/850
Filter Type Green Red NIR Triple Bandpass
StablEDGE No
Useful Range 543nm - 558nm / 653nm - 668nm / 835nm - 865nm
Tolerance +/- 10nm
Peak Transmission ≥85%
Surface Quality 40/20
Filter Size 82mm
Filter Thread M82x0.75
Outer Diameter 89mm
Clear Aperture 80.8mm
Overall Thickness 6.5mm
Exposed Thickness 4.5mm
FWHM 20nm/20nm/45nm
Average Transmission Not Specified
Brand Midwest Optical Systems

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