Midwest Optical Systems LP590-35.5 HP Series Lens Midwest Optical Systems Ni060-49 Low

Midwest Optical Systems Ni060-49 Low Reflectivity 25% Transmission M49 Neutral Density Filters

5 Near-IR Interference Bandpass M35

Midwest Optical Systems BN470-35

Midwest Optical Systems Ni090-25

0 Ci Series Fixed Focal Length Lens      86-618

Midwest Optical Systems LP590-35.5 HP Series Lens Midwest Optical Systems Ni060-49 LowMidwest Optical Systems LP590 35. 5 Red Longpass M35. 5 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