SMC PENTAX-6x7 1:4 45mm
Produced 1980 - 1989. Serial Numbers 8269xxx - 8574xxx. AOCo Product No.(none). Updated April 2024.
4(Research Note: Since 2015 I have seen 1.62% (167 copies) of the total estimated 10,300 copies made.)
LENS PRODUCTION (∑ lenses) ∑n = 167 Serial Numbers observed in 21 Batches covering 8,429 SN min. < ∑ lenses < 12,126 SN max.
SN min. = accumulated total of serial numbers observed within 21 batches
SN max. = accumulated total of serial numbers observed between adjacent batches of other lenses.
SN min. = accumulated total of serial numbers observed within 21 batches
SN max. = accumulated total of serial numbers observed between adjacent batches of other lenses.
8269425 to 8269520 (2/ 95) 8277203 to 8277438 (6/ 235) 8283409 to 8283932 (14/ 523) 8426418 to 8427465 (23/ 1047) 8429569 to 8430374 (22/ 805) 8455424 to 8456500 (17/ 1076) 8469898 to 8470400 (6/ 502) |
Serial Numbers in 21 Batches
(n /SN range) 8470540 to 8470929 (9/ 389) 8476687 to 8476835 (4/ 148) 8478906 to 8479794 (9/ 888) 8492952 to 8492998 (2/ 46) 8494411 to 8495157 (17/ 746) 8507130 to 8507645 (6/ 515) 8510106 to 8510696 (11/ 590) |
8513622 to 8513970 (7/ 348) 8517014 to 8517074 (3/ 60) 8519375 (1/ 1) 8570523 to 8570632 (3/ 149) 8573362 (1/ 1) 8574080 to 8574345 (4/ 265) |