The MidOpt NF550-39 is a dichroic shortpass filter from Midwest Optical Systems. This filter has two useful ranges, one from 395-475nm and another from 605-700nm. The NF550 magenta dichroic shortpass filter cuts off (50% Transmission) at 480nm and cuts back on at 590nm, therefore blocking green wavelengths. All MidOpt filters can also be purchased unmounted or in custom dimensions upon request from Machine Vision Direct. Technical Specifications Specifications + Useful Range Min 395 nm Useful Range Max 475 nm Stabledge No Adhesive Backed Yes Tolerance 10 % Peak Transmission ≤ 90 % Surface Quality (Scratch-Dig) 40-20 Substrate Material Colored Glass Filter Diameter M39 x P0.5 Product Availability + Standard Lead Time 15 Days Stock Location Built to Order Product Lifecycle Active