Midwest Optical Systems LP645-48 75mm Lens BLANK XS MOUNTING PLATE

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Midwest Optical Systems LP645-48 75mm Lens BLANK XS MOUNTING PLATEMidwest Optical Systems LP645 48 Dark Red Longpass M48 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