Midwest Optical Systems LP170-72 CW Series Lens Midwest Optical Systems BP470-40

Midwest Optical Systems BP470-40

Midwest Optical Systems AC760-48 Acrylic Near-IR Longpass M48 Acrylic Filters

Midwest Optical Systems Bi350-58 Near UV Interference Bandpass M58 Near UV Bandpass Filter

By wearing this easily concealed Bluetooth tag

5 Narrow Green Bandpass M25

Midwest Optical Systems LP170-72 CW Series Lens Midwest Optical Systems BP470-40Midwest Optical Systems LP170 72 Fused Silica Protective Window M72 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