ND200-27 | ND200 Neutral Density Filter - Absorptive 1.0% Transmission

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The MidOpt ND200-27 is an absorptive neutral-density filter with an optical density of 2.0, transmitting an average of 1% of the visible spectrum. These filters have identical male and female threads on both ends, allowing them to be stacked with other ND filters to achieve various optical densities. Stacking two ND200 filters would be nearly equivalent to an ND400 filter; i.e., visible light transmission would be approximately 0.01%. All MidOpt filters can also be purchased unmounted and in custom dimensions upon request from Machine Vision Direct. Technical Specifications Specifications + Useful Range Min 425 nm Useful Range Max 675 nm Adhesive Backed Yes Tolerance 0.15 % Surface Quality (Scratch-Dig) 40-20 Substrate Material Colored Glass Filter Diameter M27 x P0.5 Product Availability + Standard Lead Time 15 Days Stock Location Built to Order Product Lifecycle Active Show more