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The compensated linear filter mount is designed to produce a 1/2" square aperture of constant density. The uniformity is achieved by translating two opposing glass linear ND filters. The filters can be translated completely out of the field of view for 100% transmission completely out of the field of view for 100% transmission readings. The compensated linear filter mount can be ordered from 0 to a density of 9. The maximum size of filter is 3" x 1".
