Midwest Optical Systems LP695-48 KOWA Midwest Optical Systems Bi650-25

Midwest Optical Systems Bi650-25

Midwest Optical Systems ND200-52 Absorptive 1

f/8 Ci Series Fixed Focal Length Lens            86-596

Midwest Optical Systems BP1550-13

5 Orange Bandpass M35

Midwest Optical Systems LP695-48 KOWA Midwest Optical Systems Bi650-25Midwest Optical Systems LP695 48 Near IR 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