#04 – FRED Technical Support Series 07.03.2011 , admin , FRED Knowledge Base, Videos 0 In this video we discuss how to turn a lens’ plane bevels into 45 degree tilted bevels. Additionally, a composite lens with different edge apertures is constructed using two plano-convex lens elements. #04 – FRED Technical Support Series from Ryan Irvin on Vimeo. Tags: geometryvideo series