Midwest Optical Systems LP171-35.5 Midwest Optical Systems Darkfield 4 Zone Ring Light

Darkfield 4 Zone Ring Light with 850nm IR LEDs and Black Anodized Housing (Contains Light

Midwest Optical Systems LP341-37

Midwest Optical Systems LP665-30

Midwest Optical Systems BP1000-25

Midwest Optical Systems DB660/850-62 Dual Bandpass Red + 850 NIR M62 Dual Bandpass Filters

Midwest Optical Systems LP171-35.5 Midwest Optical Systems Darkfield 4 Zone Ring LightMidwest Optical Systems LP171 35. 5 Fused Silica Multi Layer Vis A R Coated Protective Window M35. 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