Midwest Optical Systems LP285-48 Toshiba Midwest Optical Systems LP715-58 Near-IR

Midwest Optical Systems LP715-58 Near-IR Longpass M58 Longpass Filters

5 Absorptive VIS/NIR Block M22

Midwest Optical Systems AC370-22

Midwest Optical Systems BN595-37

Midwest Optical Systems LP285-48 Toshiba Midwest Optical Systems LP715-58 Near-IRMidwest Optical Systems LP285 48 High Transmission Heat Resistant A R Protective Window M48 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.