Midwest Optical Systems LP170-72 CW Series Lens Midwest Optical Systems Bi830-43 Near-IR

Midwest Optical Systems Bi830-43 Near-IR Interference Bandpass M43 Bandpass Interference Filters

Midwest Optical Systems Bi350-58 Near UV Interference Bandpass M58 Near UV Bandpass Filter

Midwest Optical Systems BP470-40

5 Narrow Green Bandpass M25

Midwest Optical Systems LP170-72 CW Series Lens Midwest Optical Systems Bi830-43 Near-IRMidwest Optical Systems LP170 72 Fused Silica Protective Window M72 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