GLASS THE THICKNESS OF THE MATERIAL LOWEST PUBLISHED ESTIMATED NM POINT ESTIMATED NM POINT LAST PUBLISHED
GENERIC CODE ORIGIN THE GENERAL SOURCE AVAILABILITY USED TO GENERATE THE PUBLISHED TRANSMISSION OCCURRING WHERE TRANSMISSION WHERE TRANSMISSION TRANSMISSION IN
 -----  ------ ALPHA CODE USED CATALOG  ------ NM TRANSMISSION VALUES IN OR NEAR APPROACHES "~" 50%  APPROACHES "~" 90%  THE IR SPECTRUM THAT KNOOP YIELD EXPANSION  DENSITY DENSITY
PER  MANUFACTURER OR IN THE COUNTRY DATE P=PREFERRED/AVAIL. PROVIDED ON THE THE UV SPECTRUM IS 90% OR GREATER HARDNESS (DEFORMATION)   COEFFICIENT  GM/CM^3  LB./IN^3
MIL-STD. COUNTRY INDICATED OR FOR THE EG=ECOLOGICAL THE REFERENCED LINE  -----  -----  ----- (SEE MFTR. TEMPERATURE ( X 10^-7)
G-174-B  ------ AS THE  LINE  H = HISTORICAL  -----  ----- ASCENDING FROM OR  ASCENDING FROM UV  DESCENDING FROM UV-VIS, DESCRIPTION) DEGREES C  -30 / +70
INDICATED  I = INQUIRY EXCEPTION: "*" INDICATES THAT  "~<"= 1% TRANSMISSION NEAR THE UV REGION REGION & NEAR-IR REGIONS DEGREES C
 ----- (SEE MFTR. MANUFACTURER'S  ----- NA = NOT AVAILABLE THE VALUES WERE DERIVED FOR A IS AT OR BELOW  -----  -----   -----
MIL. CODE=NNNVVV DESCRIPTION) TRADEMARK EXCEPTION:  ----- HYPOTHETICAL  1MM THICK NM POINT GIVEN
 ----- CALCULATED DERIVED = NOT MATERIAL USING A   ----- "~<"= 50% TRANS. PT. "~<"= 90% TRANS. PT. "~>"= 90% TRANS. PT. IS
CONVERSION: DERIVATION= THE MANUFACTURER'S LOGARITHM DENSITY FORMULA.  (XX%) TRANSMISSION BELOW NM PT. GIVEN- BELOW NM PT. GIVEN- BEYOND NM PT. GIVEN-
nd=1.+NNN NOT FROM PUBLISHED VALUES- HOYA'S SOURCE DATA WAS USED AT THE (XX%) TRANS. AT THE (XX%) TRANS. AT THE  (XX%) TRANS. AT THE 
vd=VV.V A  HYPOTHETICAL TO ILLUSTRATE THE THEORETICAL NM POINT INDICATED NM POINT INDICATED NM POINT INDICATED NM POINT INDICATED
CATALOG EFFECTS OF A THICKNESS CHANGE. SEE SEE SEE SEE SEE
*SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* *SEE DISCLAIMER* DISCLAIMER DISCLAIMER DISCLAIMER DISCLAIMER DISCLAIMER
700347 SCHOTT GLASS TECH. BaSF55 1992 H / I 5MM ~<365.0nm (11%) ~385nm ~415nm ~>2325.4nm (93%) 450  ----- 51 3.95 0.143
700349 HOYA CORP. BaFD14 1978 H / I 5MM ~<370 (34%) ~374 ~402 ~>700 (99.9%) 480  ----- 3.98 0.144
700350 SCHOTT GLASS TECH. BaSF14 1992 H / I 5MM ~300 ~374 ~395 ~>700 (99.8%) 420  ----- 70 4.00 0.145
700410 HAYWARD SCIENTIFIC DBF5 PRE-1979 NA ----- ----- ----- ----- ----- ----- ----- ----- -----
700412 PILKINGTON OPTICAL   BF700412 1990 H / I 10MM  ------ ~<360 (52.5%) ~398 ~>1000 (99.7%) 500 75 4.10 0.148
700478 HOYA CORP. LaFL3 1978 H / I 5MM ~<340 (16%)  ~350 ~378 ~>700 (99.9%) 585  ----- 3.81 0.138
700481 HIKARI GLASS CO. E-LAF01 2001 EG/P 10MM ~<340(6%) ~355 ~380 ~>2200(92.2%) 575 701  ----- 3.69 0.134
700481 OHARA CORP. LAM51 1990 H / I 10MM ~<340 (2%) ~360 ~388 ~>1060 (99.5%) 520 78 4.09 0.148
700481 OHARA CORP. S-LAM51 1996 P/EG 10MM ~<340 (14%) ~352 ~378 ~>2200 (95.1%) 520 71 3.79 0.137
701396 SCHOTT GLASS TECH. BaSF64 1992 H / I 5MM ~<350 (27%) ~358 ~388 ~>2325.4 (92%) 540 712 73 3.20 0.116
701515 PILKINGTON OPTICAL   LLAC701515 1990 H / I 10MM  ------  -----  ------  ----- 660 66 3.38 0.122
702401 OHARA CORP. BAH71 1990 I 10MM ~350 ~372 ~399 ~>700 (99.5%) 500 74 3.97 0.144
702402 HOYA CORP. BaFD15 DERIVED  HYPOTHETICAL 1MM*  ---- ~<350 (84.2%) ~356 ~>1550 (99.9%) 670 80 2.99 0.108
702402 HOYA CORP. BaFD15 1998 P 5MM ~<340 (5%) ~352 ~369 ~>1550 (99.5%) 670 80 2.99 0.108
702410 CHINA ZBAF20 1996 H / I ----- ----- ----- ----- ----- 475 50 3.96 0.143
702410 PILKINGTON OPTICAL   BF702410 1990 H / I 10MM  ----- ~368 ~398 ~>1000 (99.6%) 490 72 4.07 0.147
702410 SCHOTT GLASS TECH. BaSF52 1992 I 5MM ~<334.1 (25%) ~344 ~378 ~>1970.1 (98.3%) 480 628 52 3.96 0.143
702411 CORNING-FRANCE D01-41 1991 P 10MM ~<340 (11.3%) ~357 ~396 ~>1800 (98.7%)  ----- 703 64 4.25 0.154
702412 EAST GERMANY BaSF7 PRE 1992 ACQ. BY SCHOTT 10MM ~<380 (26.3%) ~412 ~432 ~>1500 (99.0%) ----- 76 3.86 0.140
702412 HIKARI GLASS CO. E-BASF7 2001 EG/P 10MM ~<350 (3%) ~370 ~400 ~>2200(96.2%) 517 679  ----- 3.55 0.129
702412 HOYA CORP. BaFD7 DERIVED  HYPOTHETICAL 1MM*  ---- ~<340 (63.1%) ~364 ~>1550 (99.9%) 595 68 3.65 0.132
702412 HOYA CORP. BaFD7 1998 P 5MM ~340 (7%) ~360 ~384 ~>1550 (99.9%) 595 68 3.65 0.132
702412 OHARA CORP. BAH27 1990 H / I 10MM ~<360 (8%) ~375 ~403 ~>1060 (99.7%) 500 75 4.02 0.146
702412 OHARA CORP. BAH77 1990 I 10MM ~<340 (15%) ~350 ~375 ~>700 (99.8%) 510 72 4.15 0.150
702412 OHARA CORP. S-BAH27 1996 P/EG 10MM ~<360 (16%) ~371 ~403 ~>2200 (92.1%) 580 64 3.67 0.133
703497 RUSSIA C169 PRE 1992 H / I 10MM ----- ----- ~<400 (94.7%) ~>1500 (99.6%) ----- 84 4.16 0.151
704394 SCHOTT GLASS TECH. BASF64A 1992 H / I 5MM ~<350 (33%) ~356 ~378 ~>2325.4 (92%) 650 73 3.20 0.116
704394 SCHOTT GLASS TECH. NBASF64 2000 P/EG 10MM ~<350 (9%) ~363 ~393 ~>1970 (95.9%) 650 73 3.20 0.116
706300 PILKINGTON OPTICAL   EDF706300 1990 H / I 10MM  ----- ~<380 (65.1%) ~400 ~>1000 (99.6%)  ----- 92 2.99 0.108
706302 SCHOTT GLASS TECH. NSF64 2000 P 10MM ~<365 (8%) ~379 ~411 ~>1970 (95.0%) 620 85 2.99 0.108
706303 PILKINGTON OPTICAL   LDF706303 1990 H / I 10MM  ------  ------   -----  ----- 540 92 2.99 0.108
706303 SCHOTT GLASS TECH. SF64A 1992 H / I 5MM ~<365.0 (35%) ~369 ~394 ~>2325.4 (95.0 %)  -----  ----- 85 3.00 0.109
706303 SCHOTT GLASS TECH. SFN64 1992 H / I 5MM ~<365.0 (35%) ~369 ~394 ~>2325.4 (95.0%) 500 666 85 3.00 0.109
709548 RUSSIA C176 PRE 1992 H / I ----- ----- ----- ----- ----- ----- 56 3.77 0.137
710366 SCHOTT GLASS TECH. BaSF50 1992 H / I 5MM ~<350 (23%) ~363 ~400 ~>1970.1 (98.3%) 450 589 55 4.07 0.147
713432 OHARA CORP. LAM57 1990 H / I 10MM ~<350 (2%) ~370 ~398 ~>1060 (99.7%) 540 77 3.94 0.143
713433 HOYA CORP. LaFL4 1978 H / I 5MM ~<340 (37%) ~348 ~385 ~>700 (99.9%) 550  ----- 4.12 0.149
713538 CHINA LAK7 1996 H / I ----- ----- ----- ----- ----- 620 55 3.78 0.137
713538 CORNING-FRANCE D13-54 1991 P 10MM ~<280 (8.1%) ~324 ~362 ~>1800 (98.0%)  ----- 715 57 3.86 0.140
713538 OHARA CORP. LAL8 1990 H / I 10MM ~300 ~343 ~378 ~>700 (99.6%) 620 59 3.79 0.137
713538 PILKINGTON OPTICAL   LAC713538B 2002 I 5MM  ----- ~<360 (79.8%) ~376 ~>1000 (99.5%) 670 59 3.81 0.138
713538 SCHOTT GLASS TECH. LaK8 1992 H / I 5MM ~<280 (5%) ~316 ~356 ~>1970.1 (98.1%) 590 720 56 3.78 0.137
713538 SCHOTT GLASS TECH. NLAK8 2000 P 10MM ~290 ~333 ~368 ~>1970 (95.0%) 740 56 3.75 0.136
713539 HIKARI GLASS CO. E-LAK8 2001 EG/P 10MM ~<300(3%) ~329 ~366 ~>2000(95.6%) 647 682  ----- 3.72 0.135
713539 HOYA CORP. LaC8 DERIVED  HYPOTHETICAL 1MM*  ----- ~<290 (63.1%) ~334 ~>1550 (99.9%) 750 57 3.88 0.140
713539 HOYA CORP. LaC8 1998 P 5MM ~<290 (9%) ~<327 ~370 ~>1550 (99.5%) 750 57 3.88 0.140
713539 OHARA CORP. S-LAL8 1996 P/EG 10MM ~<290 (3%) ~334 ~369 ~>2000 (95.5%) 660 61 3.79 0.137
717295 CHINA ZF3 1996 H / I ----- ----- ----- ----- ----- 390 76 4.46 0.161
717295 CORNING-FRANCE D17-29 1991 P 10MM ~350 ~374 ~395 ~>1800 (98.2%)  ----- 589 77 4.32 0.156
717295 EAST GERMANY SF1 PRE 1992 ACQ. BY SCHOTT 10MM ~<360 (25.1%) ~373 ~411 ~>1500 (99.7%) ----- 85 4.46 0.161
717295 HIKARI GLASS CO. E-SF1 2001 EG/P 10MM ~<370(14%) ~380 ~406 ~>2200(91.7%) 595 617  ----- 3.07 0.111
717295 HOYA CORP. EFD1 DERIVED  HYPOTHETICAL 1MM*  ---- ~<360 (70.4%) ~374 ~>1550 (99.9%) 535 92 3.08 0.112
717295 HOYA CORP. EFD1 1998 P/EG 5MM ~<360 (16%) ~370 ~394 ~1550 (99.9%) 535 92 3.08 0.112
717295 HOYA CORP. FD1 DERIVED  HYPOTHETICAL 1MM*  ------ ~<340 (63.1%) ~356 ~>1550 (99.9%) 390 79 4.46 0.161
717295 HOYA CORP. FD1 1998 P 5MM ~<340 (7%) ~353 ~377 ~>1550 (99.7%) 390 79 4.46 0.161
717295 OHARA CORP. PBH1 1996 I 10MM ~<340 (3%) ~354 ~376 ~>2400 (94.8%) 390 80 4.47 0.162
717295 OHARA CORP. S-TIH1 1999 P/EG 10MM ~<370 (19%) ~378 ~406 ~>2400 (94.1%) 550 82 3.06 0.111
717295 PILKINGTON OPTICAL   DEDF717295 1990 H / I 10MM  ----- ~<360 (50.3%) ~394 ~>1000 (99.7%) 370 80 4.47 0.162
717295 PILKINGTON OPTICAL   DEDF717295A 2002 EG 5MM  ----- ~<350 (65.3%) ~368 ~>2200.0 (96.5%) 375 81 4.46 0.161
717295 RUSSIA C345 PRE 1992 H / I 10MM ~<360 (20.1%) ~374 ~409 ~>1500 (99.5%) ----- 77 4.46 0.161
717295 SCHOTT GLASS TECH. SF1 2000 P 10MM ~<350 (30%) ~357 ~379 ~>1970 (95.9%) 390  ----- 81 4.46 0.161
717296 SCHOTT GLASS TECH. NSF1 2000 P/EG 10MM ~<365 (10%) ~378 ~405 ~>1970 (94.0%) 540 91 3.03 0.110
717479 CHINA LAF2 1996 H / I ----- ----- ----- ----- ----- 480 74 4.44 0.161
717479 HIKARI GLASS CO. E-LAF3 2001 EG/P 10MM  ----  ----  ----  ----  ---- 642  ----- 3.89 0.141
717479 OHARA CORP. LAM3 1990 H / I 10MM ~<340 (10%) ~353 ~378 ~>1060 (99.7%) 490 82 4.25 0.154
717479 OHARA CORP. S-LAM3 1996 P/EG 10MM ~<340 (10%) ~353 ~378 ~>2200 (92.0%) 510 80 4.25 0.154
717479 PILKINGTON OPTICAL   LAF717479 1990 H / I 10MM  ----- ~<360 (50.3%) ~399 ~>1000 (99.3%)  ----- 74 3.82 0.138
717480 CORNING-FRANCE D17-48 1991 P 10MM ~<320 (12.5%) ~347 ~380 ~>1800 (98.5%)  ----- 732 60 3.97 0.144
717480 HOYA CORP. LaF3 DERIVED  HYPOTHETICAL 1MM*  ----- ~<320 (67.6%) ~337 ~>1550 (99.9%) 555 80 4.20 0.152
717480 HOYA CORP. LaF3 1998 P 5MM ~<320 (16%) ~333 ~359 ~>1550 (99.8%) 555 80 4.20 0.152
717480 HOYA CORP. LaF30 1978 H / I 5MM  -----  ------  -----  ----- 630 86 3.53 0.128
717480 PILKINGTON OPTICAL   LAF717480B 2002 I 5MM  ----- ~<360 (71.1%) ~380 ~>1000 (98.7%) 550 86 4.23 0.153
717480 SCHOTT GLASS TECH. LaF3 1992 H / I 5MM ~<334.1 (9%) ~347 ~370 ~>1970.1 (97.5%) 510 740 76 4.14 0.150
717480 SCHOTT GLASS TECH. NLAF3 2000 P 10MM ~334 ~357 ~384 ~>1970 (95.0%) 580 76 4.14 0.150
719335 HOYA CORP. ADF455 1978 H / I 5MM  -----  -----  ------  ----- 455 71 4.20 0.152
719335 OHARA CORP. BPH45 1990 I 10MM ~<350 (9%) ~375 ~413 ~>700 (99.8%) 460 57 4.16 0.151
720292 HAYWARD SCIENTIFIC EDF3 PRE-1979 NA ----- ----- ----- ----- ----- ----- ----- ----- -----
720293 BAUSCH & LOMB ----- PRE-1979 NA