SMC PENTAX-6x7 1:4 55mm
Produced 1979 - 1986. Serial Numbers 8267xxx - 8498xxx. AOCo Product No..... Updated April 2024.
(Research Note: Since 2015 I have seen 1.34% (199 copies) of the total estimated 14,900 copies made.)
LENS PRODUCTION (∑ lenses) ∑n = 199 Serial Numbers observed in 16 Batches covering 12,830 SN min. < ∑ lenses < 16,952 SN max.
SN min. = accumulated total of serial numbers observed within 16 batches
SN max. = accumulated total of serial numbers observed between adjacent batches of other lenses.
SN min. = accumulated total of serial numbers observed within 16 batches
SN max. = accumulated total of serial numbers observed between adjacent batches of other lenses.
8267151 (1/ 1) 8269601 to 8269859 (6/ 258) 8273732 to 8274003 (5/ 271) 8275006 to 8275919 (23/ 913) 8281882 to 8282339 (9/ 457) |
Serial Numbers in 16 Batches
(n /SN range) 8285860 to 8286386 (8/ 526) 8287959 to 8288969 (12/ 1010) 8298394 to 8299076 (6/ 682) 8420846 to 8422425 (35/ 1579) 8444763 to 8444800 (3/ 37) 8444882 to 8446860 (20/ 1978) |
8458176 to 8460288 (25/ 2112) 8475577 to 8476619 (18/ 1042) 8477549 to 8478780 (21/ 1231) 8496512 to 8496825 (3/ 313) 8498083 to 8498503 (5/ 420) |