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Produced May 1963 to 1966.Serial Number range 623xxx - 1943xxx. AOCo Product No.350. Honeywell Pentax Cat.No738 Updated May 2025.
Produced May 1963 to 1966.Serial Number range 623xxx - 1943xxx. AOCo Product No.350. Honeywell Pentax Cat.No738 Updated May 2025.
(Research Note: Since 2010 I have seen 2.55% (995 copies) of the total estimated 39,000 copies made.)
DESCRIPTION
New optical design incorporating 5 lens elements instead of 4. Central mark on depth of field gauge is an orange "lollipop" and distance engravings are blue (feet) and yellow (metres).
New optical design incorporating 5 lens elements instead of 4. Central mark on depth of field gauge is an orange "lollipop" and distance engravings are blue (feet) and yellow (metres).
LENS PRODUCTION (∑ lenses) ∑n = 995 Serial Numbers observed in 63 batches covering 32,824 SN min. < ∑ lenses < 45,296 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.
Three styles: ▼ Aperture ring finely knurled and lacking half-stop between f=16 and f=22, round lettering. Focus ring has 3 screws; formula is 11/12. Numeral four is closed (4). ▲
▼ ▼ Focus ring formula is 10/12. Numeral four is closed (4). ▲▲
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.
Three styles: ▼ Aperture ring finely knurled and lacking half-stop between f=16 and f=22, round lettering. Focus ring has 3 screws; formula is 11/12. Numeral four is closed (4). ▲
▼ ▼ Focus ring formula is 10/12. Numeral four is closed (4). ▲▲
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340 SN ends ▼ 623022 (1/ 1) 623746 by to 624009 (10/ 263) 631324 to 631773 (16/ 449) 646270 to 646952 (20/ 682) 664919 to 665688 (31/ 769) 673473 (1/ 1) 677841 to 678783 (37/ 942) 689724 to 690393 (21/ 669) 708224 to 709222 (39/ 998) 721959 to 722549 (26/ 590) 722349 722684 to 723464 (28/ 780) 722819 768982 to 769129 (8/ 147) 769262 to 769982 (24/ 720) 806872 to 807807 (24/ 935) 829575 to 831114 (38/ 1539) 867908 to 869593 (47/ 1685) 885565 (1/ 1) 887878 (1/ 1) 887951 to 887974 (5/ 23) 888005 to 888033 (2/ 28) 888059 to 888139 (6/ 80) |
Serial Numbers in 63 Batches
(n /SN range) Collection 888155 (1/ 1) 888170 (1/ 1) 888221 to 888288 (3/ 67) 888325 (1/ 1) 888335 (1/ 1) 888371 to 888392 (2/ 21) 888483 (1/ 1) 888502 (1/ 1) 888585 to 888686 (5/ 101) IR mark begins 916923 (1/ 1) 961307 to 962195 (26/ 888) 987946 to 988650 (20/ 704) 1023952 to 1025060 (53/ 1108) ▲ ▼▼ 1024774 1060272 to 1060925 (31/ 653) 9/9 1067381 to 1067727 (13/ 346) 1091536 to 1092192 (21/ 656) 1093783 to 1094428 (18/ 645) 1168825 to 1169108 (13/ 283) 1169160 to 1169739 (16/ 579) 1199128 to 1199857 (27/ 729) 1204431 to 1204481 (3/ 50) |
1204533 to 1205109 (14/ 576) 1331464 to 1331827 (14/ 363) ▼▼▼ ▲▲ 1343184 to 1343908 (20/ 724) 1404833 to 1405655 (22/ 822) 8/9 1453400 to 1454165 (15/ 765) 1456534 to 1458164 (47/ 1630) 1458680 to 1459165 (11/ 485) 1460121 to 1461286 (28/ 1165) 1462786 to 1463265 (11/ 479) 1706967 to 1707284 (7/ 317) 1709310 to 1709774 (11/ 464) 1709891 to 1710364 (12/ 473) 1711840 to 1713163 (38/ 1323) 1715113 to 1716552 (48/ 1439) 1716651 to 1716890 (5/ 239) 1938225 to 1938322 (5/ 97) 1939176 to 1940395 (33/ 1219) 1940420 to 1940705 (5/ 285) 1942906 to 1942950 (2/ 44) 1943193 to 1943262 (2/ 68) 43501 SN starts 1943602 (1/ 1) ▲▲▲ |
