list upated 1-19-2008        
DOUBLE CONVEX LENS
NUMBER FYI DIA. INCH FOCAL IN. DIA. M/M FOCAL M/M
90-0920   0.295 0.625 7.50 15.88
90-0940G W/GATE 0.298 0.870 7.57 22.10
90-0940P PLAIN 0.298 0.870 7.57 22.10
90-0945   0.378 0.424 9.60 10.77
90-0946   0.378 1.142 9.60 29.00
90-0948   0.389 0.910 9.88 23.11
90-0958   0.448 1.465 11.38 37.21
90-0959   0.500 0.656 12.70 16.66
90-0960   0.500 8.750 12.70 222.25
90-0980   0.500 2.700 12.70 69.60
90-1010   0.550 1.811 14.00 46.00
90-1020   0.610 1.378 15.50 35.00
90-1022   0.610 2.283 15.50 58.00
90-1030   0.669 2.125 17.00 54.00
90-1040 8x 0.689 1.250 17.50 31.75
90-1041   0.689 1.257 17.50 31.90 (thin 8x)
90-1050 rad 1.800 0.689 1.818 17.50 46.20
90-1050F w/flange 0.770 1.818 19.60 46.20
90-1060 meniscus 0.885 3.420 22.48 87.00
90-1070 5x  1.000 2.220 25.40 56.30
90-1071   1.000 2.255 25.40 57.28
90-1080 8 1/2 x 1.000 1.968 25.40 50.00
90-1083 7 x 1.000 1.480 25.40 37.60
90-1085   1.299 1.553 33.00 39.45
90-1088 7.5x 1.465 1.422 37.21 36.12
90-1090   1.465 3.661 37.20 93.00
90-1100   1.465 2.000 37.20 50.80
90-1120   2.000 2.000 50.80 50.80 aspheric
90-1128   2.000 3.650 50.80 92.71
90-1130   2.000 3.780 50.80 96.00
90-1131   2.490 8.288 63.25 210.55
90-1133   2.730 5.833 69.34 148.15
90-1140   3.453 8.031 87.70 204.00
90-1188   1.465 1.422 37.20 36.10
 
PLANO CONVEX LENS
NUMBER TYPE DIA. INCH FOCAL IN. DIA. mm FOCALmm
90-0910   0.174 0.960 4.40 24.38
90-1168   0.295 0.510 7.50 13.00
90-1195   0.314 0.359 8.00 9.20
90-1196   0.162 0.160 4.11 4.00
90-1197   0.210 0.477 5.33 12.12
90-1198   0.210 0.591 5.33 15.00
90-1199 100x 0.314 0.385 8.00 9.80
90-1200   0.390 0.901 9.90 22.90
90-1201   0.248 0.385 6.30 9.80
90-1202 DBL CVX 0.378 0.708 9.60 18.00
90-1203   0.523 0.569 13.30 14.45
90-1204   0.500 2.071 12.70 52.60
90-12043   0.334 0.290 8.50 7.36
90-1205   0.630 7.150 16.00 181.60
90-1206   0.669 4.200 17.00 106.70
90-1207   0.250 1.500 6.35 38.10
90-1208   0.589 6.2 14.96 157.48
90-1209   0.583 0.400 14.80 10.16
90-1210   0.685 3.594 17.40 91.28
90-1211   0.685 0.984 17.40 25.00
90-12111   0.750 10.00 19.05 254.00
90-1212   0.985 15.748 25.00 0.40
90-1213   1.070 10.00 27.20 254.00
90-1214   0.689 1.831 17.50 46.50
90-1215   0.358 0.547 9.10 13.90
90-1216   1.060 2.22 26.92 56.39
90-1217   0.750 3.000 19.05 76.20
90-1218   1.185 2.045 30.10 51.94
90-1218T w/special tabs    
90-1219   1.185 1.714 30.10 43.54
90-1220   2.000 11.220 50.80 285.00
90-1221   0.250 1.750 6.35 44.45
90-1227   0.530 0.474 13.46 12.04
90-1228   1.000 1.587 25.40 40.31
90-1229   1.070 3.937 27.17 100.00
90-1230   1.070 15.740 27.17 400.00
90-1235   1.310 2.16 33.27 54.86
90-1236   1.350 4.14 34.30 105.16
90-1240   2.00 23.622 50.80 600.00
90-1241   1.190 1.968 30.22 50.00
90-1242   1.465 1.693 37.20 43.00
90-1243 W/Flange 1.465 1.693 37.20 43.00
90-1245   1.465 7.25 37.20 185.00
90-1250   1.460 17.71 37.00 450.00
90-1252   1.622 1.39 41.20 35.30
90-1255   1.655 2.944 42.04 74.77
90-1260   1.692 15.74 43.00 400.00
90-1270   1.070 6.05 27.17 153.67
90-1280   1.625 17.49 41.27 444.20
90-1282   2.000 5.91 50.80 150.00
90-1285   0.982 1.968 24.94 50.00
90-1290   0.342 5.000 8.70 127.00
90-1291   0.342 6.575 8.70 167.00
 
    CONCAVE LENS    
NUMBER TYPE DIA. INCH FOCAL IN. DIA. M/M FOCAL M/M
90-0901 EYE 0.174 0.380 4.40 9.07
90-0930 NEG. EYE 0.298 -0.380 7.57 -9.70
90-0935 NEG. EYE 0.298 -0.400 7.57 -10.16
90-1400   0.551 -0.645 14.00 -16.40
90-1420   0.722 -1.680 18.30 -42.60
90-1425   0.827 -1.462 21.00 -37.10
90-1428   0.827   21.00  
90-1430   0.830 -2.230 21.00 -56.75
90-1500   1.460 -5.910 37.00 -150.00
90-1505 meniscus 2.000 -6.997 50.80 -177.72
 
    WINDOWS    
NUMBER TYPE DIA. INCH FOCAL IN. DIA. M/M FOCAL M/M
VC-WINDOW   0.558 0 14.17 1.3  thick
90-2000   0.671 600 17.04 15240
90-2100   1.070 0 27.17 0
90-2900   1.500 3.760 square & rectangle