Circular polaroid test rings
Articles publiés dans cette rubrique
jeudi 31 août 2023
par
par
Circular polaroid test rings
Circular polaroid test rings These are two test rings formed each of four right circular polaroids (4Dr) and left and (4Gr). The positioning and configuration are very precise. That is why we have entrusted the manufacture to SEDATELEC to be sure that everyone has the same instruments. (...)