Product Description
This is a Newport Model FH-1 filter holder. It does not include a base. The holder uses a fixed aperture plate with two pins on which slide a second fixed aperture plate (aperture diameter is 1.5” in both plates. A third plate fixed to the front aperture plate serves as a baseplate. The gap between the two plates can be adjusted from zero to 1.38” so multiple filters and elements may be stacked together and then held perfectly upright by the sliding plate. The height of the optic axis from the base is 1.25”. Overall height of the holder is 2.25”, and the width of the holder is 2.75”. Length of the baseplate is 2”. The filter holders are in excellent condition.
Location MB 57-4
Photo set 574