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The MidOpt TB475/550/850 Triple Bandpass Blue + Green + 850nm Near-Infrared (IR) Filter is mounted onto converted consumer cameras used in aerial surveying applications to provide a more affordable
When precise illumination control is needed or similar blue wavelengths are also being simultaneously imaged with other cameras
The MidOpt LP800 Near-Infrared (IR) Longpass Filter is designed for use within the 800-1100nm range
greatly reducing errors by improving signal-to-noise ratios
the MidOpt BP660 is recommended
Neutral Density (ND) Filter - Absorptive 12.5% Transmission, 425-675nm - MidOpt ND090 Size:25.5mm The MidOpt TB475/550/850 Triple BandpassThe MidOpt ND090 Neutral Density (ND) Filter has an optical density of 0. 9, or average 12. 5% transmission across the visible (VIS) spectrum. The ND090 has identical male and female threads on either end so it can be stacked with other ND filters to achieve various optical densities. For example, two ND090 filters stacked together would perform approximately the same as one ND180 Filter. MidOpt ND Filters are double side polished for exceptional