SMC PENTAX-6x7 1:2.8 165mm
Produced 1980's. Serial Numbers 8436xxx - 8573xxx. Product No. ..... Updated April 2024.
(Research Note: Since 2015 I have seen 1.43% (136 copies) of the total estimated 9,500 copies made.)
LENS PRODUCTION (∑ lenses) ∑n = 136 Serial Numbers observed in 17 Batches covering 6,928 SN min. < ∑ lenses < 12,111 SN max.
SN min. = accumulated total of serial numbers observed within 17 batches
SN max. = accumulated total of serial numbers observed between adjacent batches of other lenses.
SN min. = accumulated total of serial numbers observed within 17 batches
SN max. = accumulated total of serial numbers observed between adjacent batches of other lenses.
8436269 to 8437124 (21/ 855) 8452976 to 8453915 (12/ 939) 8466954 to 8468300 (21/ 1346) 8474143 to 8474562 (5/ 419) 8474749 to 8474817 (2/ 68) |
Serial Numbers in 17 Batches
(n /SN range) 8477091 to 8477419 (9/ 328) 8486643 to 8487051 (13/ 408) 8493193 to 8493474 (5/ 281) 8496065 (1/ 1) 8500474 to 8500971 (8/ 497) 8504652 to 8505047 (6/ 395) |
8509512 to 8509896 (6/ 384) 8514355 to 8514577 (5/ 222) 8516409 to 8516575 (4/ 166) 8518540 to 8518699 (4/ 159) 8571359 to 8571438 (4/ 79) 8572625 to 8573006 (10/ 381) |