OPT_ELEM            C        C         R    G140L,G140M,E140M,E140H,G230L,\
          G230M,E230M,E230H,PRISM,G230LB,G230MB,G430L,G430M,G750L,G750M,\
          MIRCUV,MIRFUV,MIRNUV,MIRVIS,X140H,X140M,X230H,X230M
