LP0508-P0050 - IR CUT filter This filter is designed and manufactured for C1, C1 PRO, C920 and Brio reworked cameras but can be used for all other applications (like astronomy). It is used to block IR and UV light. Dimensions Diameter: 19.0+/-0.1mm Thickness: 1.0+/-0.1mm Specifications Coating: AR+UV+IR block Transmittance(avg) > 90%@370 -650nm OD value: >2@750-1050nm