Midwest Optical Systems LP590-82 2/3" Lens Excellent low-light performance (2

Excellent low-light performance (2

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Midwest Optical Systems LP515-86 Yellow-Orange Longpass M86 Longpass Filters

75 (Female)

Midwest Optical Systems LP590-82 2/3" Lens Excellent low-light performance (2Midwest Optical Systems LP590 82 Red 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 in