NEUTRAL DENSITY FILTERS
Dec 1998Optometrics CorporationRequest Info
Optometrics USA Inc. has introduced neutral density filters to its product line, with most carried in stock for quick delivery. Standard neutral density filters, used primarily for attenuating light over a wide spectral range, can be stacked to create intermediate density values. The filters can be purchased alone, mounted on filter wheels or subassemblies, or supplied as filter kits.