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​Produced May 1964 to 1966. Serial Number range 787xxx - 3552xxx. AOCo Product No.367. Updated Nov. 2024.

(Research Note: Since 2010 I have seen 2.56% (526 copies) of the total estimated 20,500 copies made.)

INTRODUCTION

DESCRIPTION

VARIATION

NOTES

LENS PRODUCTION  (∑ lenses)  ∑n = 526 Serial Numbers observed in 75 batches covering 15,9409 SN min. < ∑ lenses < 25,077 SN max.
SN min. = accumulated total of serial numbers observed within 75 batches
SN max. = accumulated total of serial numbers observed between adjacent batches of other lenses.
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111001 to 111201 (2/ 200) prototype?
787084 to 787305 (8/ 221) 
789890 to 790748 (41/ 858)
360 SN starts
1139965 (1/ 1)
1232487 to 1232767 (8/ 280)
1315155 to 1315866 (13/ 711)
1323252 (1/ 1)
1323298 to 1323609 (9/ 311)
1364007 to 1364663 (13/ 656)
1368659 to 1369104 (15/ 445)
1369368 to 1369428 (3/ 60)
1369509 to 1369633 (6/ 124)
1369769 to 1369775 (2/ 6)
1440785 to 1440795 (2/ 10)
1440829 to 1440838 (2/ 9)
1440884 (1/ 1)
1440978 to 1440993 (2/ 15)
1441072 (1/ 1)
1441106 to 1440144 (3/ 38)
1441194 (1/ 1)
1441214 to 1441224 (2/ 10)
1441279 to 1441394 (9/ 115)
1443259 to 1443322 (5/ 63)
1443415 to 1443473 (3/ 58)
1443514 1443865 (14/ 351)

Serial Numbers in 75 Batches 
(n /SN range) Collection
 
1608789 to 1609363 (21/ 574)
1611108 to 1611633 (7/ 525)
1611862 (1/ 1)
1618885 (1/ 1)
1687943 to 1688398 (14/ 455)
1780205 to 1781194 (37/ 989)
1780404
1915622 to 1915908 (13/ 286)
1918890 (1/ 1)
1920458 to 1921397 (24/ 939)
2004181 to 2005135 (21/ 954)
2176741 to 2177131 (12/ 390)
2179951 to 2180583 (28/ 632)
2366807 to 2366948 (6/ 141)
2465782 to 2465923 (3/ 141)
43911 SN starts
2511791 (1/ 1)
2511859 (1/ 1)
2511861 to 2511877 (2/ 16)
2511961 (1/ 1)
2511971 (1/ 1)
2512030 (1/ 1)
2512047 to 2512082 (2/ 35)
2517771 to 2517795 (2/ 24)
2517808 to 2517810 (2/ 2)
2517841 (1/ 1)
2517857 to 2517871 (2/ 14)

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2517965 (1/ 1)
2611684 to 2612135 (9/ 451)
2612272 (1/ 1)
2727450 to 2727713 (8/ 263)
2731017 to 2731447 (10/ 430)
2776262 (1/ 1)
2860637 to 2860846 (3/ 209)
2867428 to 2867539 (6/ 111)
2869566 to 2869714 (8/ 148)
2932268 to 2932365 (4/ 97)
2939444 to 2939921 (16/ 477)
2943233 (1/ 1)
3051441 to 3052197 (15/ 757)
3052863 to 3052865 (2/ 2)
3056927 to 3057086 (6/ 159)
3057478 to 3057862 (6/ 384)
3124046 to 3124525 (6/ 479)
3249652 to 3249960 (10/ 308)
3351903 to 3352065 (8/ 162)
3353217 to 3353369 (6/ 152)
3366149 to 3366546 (13/ 397)
3369157 to 3369397 (6/ 240)
3397467 to 3397543 (5/ 76)
3397599 to 3397760 (4/ 161)
3552260 (1/ 1)