Midwest Optical Systems LP171-25.5 6mm Lens 25% Transmission M35

25% Transmission M35

5 Short-Wave Infrared Bandpass M37

Midwest Optical Systems BP800-86 Near-IR Bandpass M86 Bandpass Filter

Midwest Optical Systems LP610-37 Red Longpass M37 Longpass Filters

Midwest Optical Systems LP330-58 Protective Window M58 Protective Filters

Midwest Optical Systems LP171-25.5 6mm Lens 25% Transmission M35Midwest Optical Systems LP171 25. 5 Fused Silica Multi Layer Vis A R Coated Protective Window M25. 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