SMC PENTAX 67  1:2.8  90mm
Produced 1989 to 2001. Serial Numbers 8528xxx - 8823xxx. AOCo Product No.xxx.  Updated April 2024.

(Research Note: Since 2015 I have seen 1.11% (217 copies) of the total estimated 19,600 copies made.)

LENS PRODUCTION  (∑ lenses)  ∑n = 217 Serial Numbers observed in 63 Batches covering 10,017 SN min. < ∑ lenses < 29,119 SN max.
SN min. = accumulated total of serial numbers observed within 63 batches
SN max. = accumulated total of serial numbers observed between adjacent batches of other lenses.

8528919 to 8529266 (5/ 347)
8531287 to 8531531 (3 /244)
8547983 to 8548349 (10/ 366)
8548551 (1/ 1)
8551787 (1/ 1)
8551869 (1/ 1)
8551949 (1/ 1)
8552243 to 8552248 (3/ 5)
8552429 (1/ 1)
8552483 (1/ 1)
8555221 to 8555353 (4/ 132)
8555599 (1/ 1)
8555682 to 8555778 (2/ 96)
8555939 to 8555983 (2/ 44)
8556099 to 8556163 (4/ 64)
8556274 to 8556408 (4/ 134)
8556468 (1/ 1)
8556593 to 8556608 (2/ 15)
8556692 to 8556773 (4 /81)
8556897 to 8556952 (2/ 55)
8557176 (1/ 1)

 Serial Numbers in 63 Batches 
(n /SN range)
​
8557231 (1/ 1)
8558352 to 8558423 (2/ 71)
8558478 (1/ 1)
8558829 to 8559083 (8 / 254)
8560602 to 8561407 (6/ 805)
8568734 to 8569184 (8/ 450)
8618613 (1/ 1)
8620274 (1/ 1)
8620703 to 8629797 (2/ 94)
8674749 to 8675100 (7/ 351)
8680978 to 8681684 (16/ 706)
8685138 to 8685983 (11/ 845)
8695527 to 8695839 (4/ 312)
8698535 to 8699076 (9/ 541)
8704023 to 8704440 (8/ 417)
8709737 to 8710105 (11/ 368)
8715683 to 8716266 (11/ 583)
8716797 to 8717390 (10/ 593)
8732027 to 8732611 (3/ 584)
8736947 to 8737102 (4/ 155)
8738131 to 8738298 (3/ 167)

8742987 (1/ 1)
8744298 to 8744427 (2/ 129)
8745906 to 8746101 (2/ 195)
8749927 (1/ 1)
8760003 (1/ 1)
8763382 (1/ 1)
8764101 (1/ 1)
8764477 to 8764507 (2/ 30)
8768488 to 8768777 (5/ 289)
8778593 (1/ 1)
8782402 to 8782452 (2/ 50)
8785138 (1/ 1)
8787263 (1/ 1)
8797248 to 8797353 (2/ 105)
8798397 to 8798482 (2/ 85)
8799268 to 8799273 (2/ 5)
8811556 to 8811701 (3/ 145)
8813652 to 8813802 (2/ 150)
8816943 to 8816988 (2/ 45)
8823083 (1/ 1)
8823873 (1/ 1)