Super-Multi-Coated TAKUMAR/6x7  1:2.8/90
​[Leaf Shutter]
Produced 1971 to 1986. Serial Numbers 5558xxx - 8493xxx. AOCo Product No.46110.  Updated March 2024.

(Research Note: Since 2015 I have seen 2.28% (374 copies) of the total estimated 16,400 copies made.)

LENS PRODUCTION  (∑ lenses)  ∑n = 374 Serial Numbers observed in 46 Batches covering 12,218 SN min. < ∑ lenses < 20,584 SN max.
SN min. = accumulated total of serial numbers observed within 46 batches
SN max. = accumulated total of serial numbers observed between adjacent batches of other lenses.

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5558462 to 5558496 (3/ 34)
5575839 to 5576322 (33/ 483)
5658529 to 5658880 (13/ 351)
5713322 to 5713687 (17/ 365)
6405783 to 6406334 (19/ 551)
6581911 to 6582001 (3/ 90)
6611047 to 611158 (2/ 111)
7557738 to 7557822 (4/ 84)
7560391 to 7560560 (5/ 169)
7567789 to 7567940 (6/ 151)
7573034 to 7573142 (9/ 108)
7580035 to 7580316 (11/ 281)
7585244 to 7585269 (4/ 25)
7585542 to 7585592 (2/ 50)
7586135 to 7586229 (7/ 94)
​

 Serial Numbers in 46 Batches 
(n /SN range)
​
7587406 to 7587444 (2/ 38)
7587927 to 7588011 (8/84)
7594256 (1/ 1)
7596687 to 7596811 (2/ 124)
7597848 to 7598077 (13/ 229)
8211292 to 8211513 (7/ 221)
8215163 to 8215766 (19/ 603)
8215806 (1/ 1)
8224334 (1/ 1)
8227438 to 8227589 (5/ 151)
8234215 to 8234938 (11/ 723)
8242155 to 8242391 (8/ 236)
8242652 to 8243309 (18/ 657)
8253501 to 8253778 (9/ 277)
8255163 to 8255883 (18/ 720)
8272911 to 8273111 (4/ 200)

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8276627 to 8276744 (6/ 117)
8277845 to 8278455 (18/ 610)
8286445 to 8286636 (12/ 191)
8289940 to 8290177 (7/ 237)
8293013 to 8293335 (9/ 322)
8294456 to 8294638 (4/ 182)
8422439 to 8422805 (8/ 366)
8423047 (1/ 1)
8429117 to 8429509 (9/ 392)
8435359 to 8436044 (6/ 685)
8454448 to 8455348 (12/ 900)
8475144 to 8475293 (3/ 149)
8483326 to 8483640 (6/ 314)
8486075 to 8486533 (7/ 458)
8493621 to 8493702 (2/ 81)