Midwest Optical Systems LP590-55 Forge Midwest Optical Systems LP665-13

Midwest Optical Systems LP665-13

Midwest Optical Systems ND090-25

Midwest Optical Systems BP850-25

Midwest Optical Systems Bi685-43 Dark Red Interference Bandpass M43 Bandpass Interference Filters

Midwest Optical Systems LP590-55 Forge Midwest Optical Systems LP665-13Midwest Optical Systems LP590 55 Red Longpass M55 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 commonly used in