Midwest Optical Systems LP695-95 Dual Bandpass Filter 25 Narrow Dark Red Bandpass

25 Narrow Dark Red Bandpass M13

Midwest Optical Systems Bi650-35

Midwest Optical Systems Bi520-37 Light Green Interference Bandpass M37 Bandpass Interference

Edmund Optics 86-569 Lens:

Midwest Optical Systems LP530-13

Midwest Optical Systems LP695-95 Dual Bandpass Filter 25 Narrow Dark Red BandpassMidwest Optical Systems LP695 95 Near IR Longpass M95 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