https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3322442
Spatial shapers based on spatially varying distribution of metal pixals on a glass substrate have been developed for Omega using EP lithography techniques.
The photograph shows one of the shapers with four different zones designed for apodization , shaping, alignment and calibration. Original public domain image from Flickr
Public DomainFree CCO U.S. Government image for Personal and Business use