ND300-49 | ND300 Neutral Density Filter - Absorptive 0.1% Transmission

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The MidOpt ND300-49 is an absorptive neutral-density filter with an optical density of 3.0, meaning it transmits an average of 0.1% of visible light. These filters have identical m ale and female threads on both ends, allowing them to be stacked with other ND filters to achieve various optical densities. Because the glass substrate absorbs 99.9% of the light that passes through the filter, these filters are not recommended for use with lasers or immediately in front of higher-wattage lighting. 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 0.01 % Surface Quality (Scratch-Dig) 40-20 Substrate Material Colored Glass Filter Diameter M49 x P0.75 Product Availability + Standard Lead Time 15 Days Stock Location Built to Order Product Lifecycle Active Show more