Midwest Optical Systems LP171-25.5 6mm Lens Midwest Optical Systems BN630-34 Narrow

Midwest Optical Systems BN630-34 Narrow Light Red Bandpass M34 Narrow Bandpass Filters

Midwest Optical Systems LP330-58 Protective Window M58 Protective Filters

Midwest Optical Systems BP340-72 Near-UV Bandpass M72 Bandpass Filters

0/38mm 27-2202038 P-Iris Ruggedized These lenses are designed for use at long working distances--from ~2m out to infinity

Midwest Optical Systems LP171-25.5 6mm Lens Midwest Optical Systems BN630-34 NarrowMidwest Optical Systems LP171 25. 5 Fused Silica Multi Layer Vis A R Coated 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