Bi725 Red Edge Bandpass Filter

Midwest Optical SystemsSKU: Bi725-13.25

Filter Mounting Thread: 13.25mm
Sale price$131.00 USD

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Was $200.00 Now $100.00


MidOpt Bi725 Red Edge Bandpass Filter

Bi725 is designed for use in certain aerial vegetative health monitoring applications. This so-called “Red Edge” filter isolates the wavelength region where the most rapid change in reflectance occurs in foliage. When plants are stressed or dying, photosynthesis slows down or stops. IR wavelengths are absorbed, while more visible light–particularly red light–is reflected. The transitional 725nm band is uniquely affected by vegetative health changes and provides information relating to chlorophyll and nitrogen status used to distinguish thriving from stressed vegetation.

MidOpt Bi725 Red Edge Bandpass Filter Technical Characteristics

Useful Range: 717-732nm
FWHM: 25nm
Tolerance: +/- 5nm
Peak Transmission ?90%
Surface Quality 40/20
Mount (Mount Varies)
Clear Aperture (Aperture Varies)
Overall Thickness (Overall Thickness Varies)
Exposed Thickness (Exposed Thickness Varies)
StablEdge No

*Filters 62mm and greater have a surface quality tolerance of 60/40.

MidOpt Bi725 Red Edge Bandpass Filter Transmission Chart

MidOpt Bi725 Interference Bandpass Filter Transmission

MidOpt Bi725 Red Edge Bandpass Filter Transmission Data 

MidOpt Bi725 Interference Bandpass Filter Datasheet

MidOpt Bi725 Part Numbers:

MidOpt Bi725-25.4
MidOpt Bi725-13.25
MidOpt Bi725-22.5
MidOpt Bi725-27
MidOpt Bi725-30.5
MidOpt Bi725-34
MidOpt Bi725-35.5
MidOpt Bi725-37
MidOpt Bi725-37.5
MidOpt Bi725-39
MidOpt Bi725-40.5
MidOpt Bi725-43
MidOpt Bi725-46
MidOpt Bi725-48
MidOpt Bi725-49
MidOpt Bi725-52
MidOpt Bi725-55
MidOpt Bi725-58
MidOpt Bi725-62
MidOpt Bi725-67
MidOpt Bi725-72
MidOpt Bi725-77
MidOpt Bi725-82
MidOpt Bi725-86
MidOpt Bi725-95
MidOpt Bi725-105 

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