Midwest Optical Systems LP170-25.5 Toshiba 5% Transmission M49 Neutral Density

5% Transmission M49 Neutral Density Filters

Midwest Optical Systems AC760-40

Midwest Optical Systems BN535-72 Narrow Green Bandpass M72 Narrow Bandpass Filters

5 Absorptive 25% Transmission M25

Aperture (f/#):

Midwest Optical Systems LP170-25.5 Toshiba 5% Transmission M49 Neutral DensityMidwest Optical Systems LP170 25. 5 Fused Silica Protective Window M25. 5 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