Super-Multi-Coated TAKUMAR / 6x7  1:2.8 / 150
Produced 1971 to 1986. Serial Numbers 4791xxx - 8426xxx. AOCo Product No.46010.  Updated March 2024.

(Research Note: Since 2015 I have seen 2.60% (378 copies) of the total estimated 14,500 copies made.)

LENS PRODUCTION  (∑ lenses)  ∑n = 378 Serial Numbers observed in 50 Batches covering 10,576 SN min. < ∑ lenses < 18,466 SN max.
SN min. = accumulated total of serial numbers observed within 50 batches
SN max. = accumulated total of serial numbers observed between adjacent batches of other lenses.

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4791303 to 4791451 (6/ 148)
4829744 to 4829824 (7/ 80)
4926420 (1/ 1)
5036417 to 5036643 (7/ 226)
5434863 (1/ 1)
5434925 to 5434984 (3/ 59)
5569260 to 5569421 (7/ 161)
5575091 (1/ 1)
5575597 to 5575786 (6/ 189)
5582228 to 5582238 (2/ 10)
5664494 to 5664555 (4/ 61)
5664642 to 5664664 (3/ 22)
5713108 to 5713271 (7/ 163)
5732215 to 5732326 (5/ 111)
5745655 to 5745811 (9/ 156)
5847286 to 5847455 (7/169)
6151659 to 6151823 (9/ 164)

 Serial Numbers in 50 Batches 
(n /SN range)

6230905 to 6231088 (13/ 183)
6254505 to 6254611 (4/ 106)
6375773 to 6375948 (7/ 175)
6376840 (1/ 1)
6470001 to 6470199 (6/ 198)
6478078 to 6478222 (2/ 144)
6498998 to 6499164 (6/ 166)
6507340 to 6507487 (3/ 147)
7557261 to 7557519 (11/ 258)
7557526 to 7557543 (2/ 17)
7570952 to 7570980 (3/ 28)
7573198 to 7573543 (9/ 345)
7585348 to 7585416 (3/ 68)
7586307 to 7586329 (2/ 22)
7586586 to 7586644 (6/ 58)
7587702 (1/ 1)
7593345 to 7593403 (4/ 58)

7594315 to 7594542 (15/ 227)
7597577 to 7597800 (9/ 223)
8203503 to 8203867 (9/ 364)
8210883 to 8211083 (6/ 200)
8211728 to 8211864 (5/ 136)
8220334 to 8220405 (5/ 71)
8220435 to 8220470 (2/ 35)
8220643 to 8221609 (24/ 966)
8237545 to 8238711 (28/ 1166)
8254700 to 8255071 (18/ 371)
8255922 to 8256965 (23/ 1043)
8276006 to 8276185 (10/ 179)
8280235 to 8281255 (28/1020)
8299765 to 8299979 (5/ 214)
8425191 to 8425472 (5/ 281)
8425907 to 8426290 (13/ 383)