Midwest Optical Systems LP170-62 IDS Midwest Optical Systems BN520-67 Narrow

Midwest Optical Systems BN520-67 Narrow Green Bandpass M67 Narrow Bandpass Filters

and work well at distances out to infinity

Midwest Optical Systems BN740-25

Midwest Optical Systems LP590-34 Red Longpass M34 Longpass Filters

Midwest Optical Systems ND060-95 Absorptive 25% Transmission M95 Neutral Density Filters

Midwest Optical Systems LP170-62 IDS Midwest Optical Systems BN520-67 NarrowMidwest Optical Systems LP170 62 Fused Silica Protective Window M62 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