The MidOpt SP510-67 blue shortpass filter passes blue light while blocking the green and red portions of the spectrum. They are useful for improving contrast and resolution and for separating colors in black-and-white or color applications, such as distinguishing gold or duller metallic finishes from silver or brighter metallic finishes. SP510 is also widely used in 3D measurement applications.All MidOpt filters can also be purchased unmounted and in custom dimensions upon request from Machine Vision Direct. Technical Specifications Specifications + Useful Range Min 340 nm Useful Range Max 500 nm Stabledge No Adhesive Backed Yes Tolerance 10 % Peak Transmission ≤ 90 % Surface Quality (Scratch-Dig) 40-20 Substrate Material Clear Glass Filter Diameter M67 x P0.75 Product Availability + Standard Lead Time 15 Days Stock Location Built to Order Product Lifecycle Active