Midwest Optical Systems LP190-46 Acrylic Filter 25 Fused Silica Protective Window

25 Fused Silica Protective Window M13

Midwest Optical Systems AC685-39 Acrylic Near-IR Longpass M39 Acrylic Filters

Edmund Optics 33-300 Lens 4mm UC Series Fixed Focal Length Lens M62 x 0

UI-5260SE-C-HQ Rev

Midwest Optical Systems LP190-37 Sapphire Protective Window M37 Protective Filters

Midwest Optical Systems LP190-46 Acrylic Filter 25 Fused Silica Protective WindowMidwest Optical Systems LP190 46 Sapphire Protective Window M46 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 also