Midwest Optical Systems LP815-82 Teledyne Flir f/11 Ci Series Fixed Focal

f/11 Ci Series Fixed Focal Length Lens      87-550

Midwest Optical Systems BP735-37 Near-IR Bandpass M37 Bandpass Filter

5 Amber Interference Bandpass M30

Midwest Optical Systems LP645-67 Dark Red Longpass M67 Longpass Filters

Midwest Optical Systems LP815-82 Teledyne Flir f/11 Ci Series Fixed FocalMidwest Optical Systems LP815 82 Near IR Longpass M82 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