Super-Multi-Coated MACRO-TAKUMAR / 6x7  1:4 / 135
Produced 1971 to 1989. Serial Numbers 5451xxx - 8571xxx. AOCo Product No.xxx.  Updated March 2024.

(Research Note: Since 2015 I have seen 2.20% (612 copies) of the total estimated 27,800 copies made.)

LENS PRODUCTION  (∑ lenses)  ∑n = 612 Serial Numbers observed in 66 Batches covering 22,630 SN min. < ∑ lenses < 33,126 SN max.
SN min. = accumulated total of serial numbers observed within 66 batches
SN max. = accumulated total of serial numbers observed between adjacent batches of other lenses.

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5451359 to 5451437 (2/ 78)
5467575 to 5468014 (11/ 439)
5556xxx (1/ 1)
5558120 to 5558453 (8/ 333)
6260243 to 6260405 (2/ 162)
6399875 to 6400046 (9/ 171)
6470626 to 6470643 (2/ 17)
6501006 to 6501070 (5/ 64)
6575708 to 6575858 (6/ 150)
6576512 to 6576598 (4/ 86)
6596282 to 6596429 (6/ 147)
6899635 to 6899870 (8/ 235)
6922296 to 6922370 (4/ 74)
6928341 to 6928356 (2/ 15)
6938884 to 6938944 (2/ 60)
7558359 to 7558618 (8/ 259)
7573552 to 7573733 (6/ 181)
7578880 (1/ 1)
7584045 to 7584322 (10/ 277)
7587882 (1/ 1)
7588429 to 7588485 (3/ 56)
7591060 to 7591110 (2/ 50)

 Serial Numbers in 66​ Batches 
(n /SN range)

7594571 to 7594609 (6/ 38)
7594998 to 7595187 (9/ 189)
7599492 to 7599983 (17/ 491)
8200062 to 8200074 (2/ 12)
8209135 to 8209503 (16/ 365)
8211527 to 8211698 (7/ 171)
8218975 to 8219126 (3/ 151)
8219839 to 8220044 (11/ 205)
8223216 to 8223484 (7/ 268)
8226976 to 8227345 (12/ 369)
8234980 to 8235262 (10/ 282)
8236348 to 8237415 (16/ 1067)
8240588 to 8241569 (24/ 981)
8265627 to 8266017 (11/ 390)
8268863 to 8269319 (3/ 456)
8273153 to 8273695 (10/ 542)
8278548 to 8278806 (7/ 258)
8284676 to 8284991 (10/ 315)
8289028 to 8289363 (16/ 335)
8292443 to 8292684 (9/ 241)
8292918 (1/ 1)
8297796 to 8298328 (9/ 532)

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8425626 to 8425887 (5/ 261)
8431090 to 8431949 (33/ 860)
8442063 to 8442988 (22/ 925)
8450208 to 8450636 (11/ 428)
8453931 to 8454362 (13/ 431)
8457622 to 8457955 (10/ 333)
8463456 to 8464020 (18/ 564)
8464227 to 8464454 (6/ 227)
8465484 to 8465524 (4/ 40)
8465695 to 8465802 (2/ 107)
8468667 to 8469601 (24/ 934)
8473020 to 8473863 (18/ 843)
8485135 to 8485962 (18/ 827)
8491715 to 8492596 (26/ 881)
8501067 to 8501994 (24/ 927)
8505145 to 8505936 (10/ 791)
8510783 to 8511953 (23/ 1170)
8511319 to 8511730 (8/ 411)
8511808 to 8511953 (3/ 145)
8515610 to 8516254 (8/ 644)
8552174 (1/ 1)
8570794 to 8571198 (6/ 404)