Midwest Optical Systems LP645-30.5 KOWA Midwest Optical Systems BN785-48 Narrow

Midwest Optical Systems BN785-48 Narrow Near-IR Bandpass M48 Narrow Bandpass Filters

Midwest Optical Systems Bi520-82 Light Green Interference Bandpass M82 Bandpass Interference

Midwest Optical Systems LP590-13

Midwest Optical Systems Ni200-27 Reflective 1% Transmission M27 Neutral Density Filters

4 Yellow-Orange Longpass M25

Midwest Optical Systems LP645-30.5 KOWA Midwest Optical Systems BN785-48 NarrowMidwest Optical Systems LP645 30. 5 Dark Red Longpass M30. 5 Longpass 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