Midwest Optical Systems LP190-49 AIDA High Extinction M40

High Extinction M40

5 Acrylic Near-IR Longpass M40

Midwest Optical Systems ND400-95 Absorptive 0

Midwest Optical Systems DB660/850-13

Midwest Optical Systems Bi405-46 Blue Interference Bandpass M46 Bandpass Interference Filters

Midwest Optical Systems LP190-49 AIDA High Extinction M40Midwest Optical Systems LP190 49 Sapphire Protective Window M49 Protective Filters Often referred to as a sharp cut filter, Longpass Filters are specifically designed to pass a broad spectrum of longer wavelength light while blocking shorter wavelengths. Longpass Filters are often used in fluorescence applications to block an excitation light source or to pass multiple emission wavelengths, improving signal to noise ratio. Longpass Filters are also