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Produced 1972 to 1975. Serial Numbers 6133xxx - 8615xxx. AOCo Product No. 43812. Updated Aug. 2025.
Produced 1972 to 1975. Serial Numbers 6133xxx - 8615xxx. AOCo Product No. 43812. Updated Aug. 2025.
(Research Note: Since 2010 I have seen 1.79% (1022 copies) of the total estimated 57,200 copies made.)
INTRODUCTION
DESCRIPTION
VARIATION
NOTES
LENS PRODUCTION (∑ lenses) ∑n = 1022 Serial Numbers observed in 47 batches covering 52,314 SN min. < ∑ lenses < 62,039 SN max.
SN min. = accumulated total of serial numbers observed within 47 batches
SN max. = accumulated total of serial numbers observed between adjacent batches of other lenses.
One Style: Focus ring F(10/12) ; Aperture ring A(10/10) ; ▼ Nameplate font Oval and " ASAHI OPT. CO.," with following comma.▲
SN min. = accumulated total of serial numbers observed within 47 batches
SN max. = accumulated total of serial numbers observed between adjacent batches of other lenses.
One Style: Focus ring F(10/12) ; Aperture ring A(10/10) ; ▼ Nameplate font Oval and " ASAHI OPT. CO.," with following comma.▲
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▼ 6133416 to 6133454 (3/ 38) 6138465 (1/ 1) 6138819 (1/ 1) 6149225 (1/ 1) 43802 SN ends 6149516 to 6149626 (2/ 110) 6158617 to 6159368 (14/ 751) 6159428 to 6159486 (5/ 58) 6221430 (1/ 1) 6222806 to 6223933 (26/ 1127) 6250504 to 6250709 (2/ 205) 6255312 (1/ 1) 6260438 to 6262222 (39/ 1784) 6382665 to 6383954 (21/ 1287) 6384020 to 6384213 (5/ 193) 6407174 to 6408408 (25/ 1234) 6470856 to 6472991 (43/ 2135) |
Serial Numbers in 47 Batches
(n /SN range) 6499488 to 6500961 (44/ 1473) 6501135 to 6502128 (23/ 993) 6578617 to 6580552 (40/ 1935) 6581347 to 6581812 (10/ 465) 6601723 to 6603864 (46/ 2141) 6613767 to 6617736 (67/ 3969) 6700030 (1/ 1) 6892094 to 6893752 (35/ 1658) 6894302 to 6895051 (22/ 749) 6895128 to 6895409 (4/ 281) 6895434 to 6895528 (3/ 94) 6895584 to 6896239 (9/ 655) 6897751 to 6898017 (6/ 266) 6905379 to 6908422 (75/ 3193 6916170 to 6916537 (10/ 368) 6916694 to 6917151 (11/ 457) |
6917752 to 6920499 (56/ 2747) 6925080 to 6927942 (43/ 2862) 6928436 to 6930361 (26/ 1925) 7552585 to 7555964 (54/ 3379) 7561299 to 7564881 (60/ 3582) 7565324 to 7566386 (23/1062) 7576493 to 7578399 (26/ 1906) 7591438 to 7593326 (32/ 1888) 7593465 to 7593988 (13/ 523) 7882670 to 7882755 (2/ 85) 8200125 to 8202948 (63/ 2823) 8203079 to 8203306 (7/ 227) 8204285 to 8205963 (22/ 1678) 8580493 (1/ 1) 8615715 (1/ 1) ▲ |
