Midwest Optical Systems LP285-55 Forge Midwest Optical Systems LP550-13

Midwest Optical Systems LP550-13

UI-5261SE-M-GL Rev

Schneider Industrial Optics 21-1088899 TOPAZ 2

5 Narrow Dark Red Bandpass M22

Midwest Optical Systems LP285-55 Forge Midwest Optical Systems LP550-13Midwest Optical Systems LP285 55 High Transmission Heat Resistant A R Protective Window M55 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.