Midwest Optical Systems LP170-77 1/2" Varifocal Lens Midwest Optical Systems LP515-105 Yellow-Orange

Midwest Optical Systems LP515-105 Yellow-Orange Longpass M105 Longpass Filters

Schneider Optics 27-1992916 APO-Xenoplan 2

Midwest Optical Systems BP850-37

Midwest Optical Systems BP525-105 Light Green Bandpass M105 Bandpass Filters

Midwest Optical Systems LP170-77 1/2" Varifocal Lens Midwest Optical Systems LP515-105 Yellow-OrangeMidwest Optical Systems LP170 77 Fused Silica Protective Window M77 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. Longpass Filters are