Leitz Wetzlar Summicron 50mm F/2 [I]

Standard prime lens • Film era • Discontinued

  • Announced:
  • · 1954
  • Production status:
  • ● Discontinued
  • Country of design:
  • · FRG (Federal Republic of Germany)
  • Original name:
  • · Ernst Leitz GmbH Wetzlar Summicron f=5cm 1:2
  • Order No.:
  • · SOOIC-M / 11116 - silver
  • Class:
  • · Fast full-frame standard prime lens
  • System:
  • · Leica M (1954)

Model history (11)

■Leitz / Leitz Wetzlar Summar 50mm F/2 [SUMAR, SUMARKUP, SUMARCHROM] [LSM]M6 - 41.00mA36 1933 ●
■Leitz / Leitz Wetzlar Summar 50mm F/2 [SUMUS, SUMUSKUP, SUMUSCHROM] [LSM] • CollapsibleM6 - 41.00mA36 1934 ●
■Leitz / Leitz Wetzlar Summitar 50mm F/2 [SOORE / 11015] [LSM] • CollapsibleM7 - 41.00mE36.4 1939 ●
■Leitz Wetzlar Summicron 50mm F/2 [I] [SOOIC / 11016] [LSM] • CollapsibleM7 - 61.00mE39 1953 ●
■Leitz Wetzlar Summicron 50mm F/2 [I] [SOOIC-M / 11116] • CollapsibleM7 - 61.00mE39 1954 ●
—Leitz Wetzlar Summicron 50mm F/2 for M3 Gold (1 unit) • Collapsible 1956 ●
■Leitz Wetzlar Summicron 50mm F/2 [II] [11117, 11118, SOMNI / 11818]M7 - 61.00mE39 1956 ●
—Leitz Wetzlar Summicron 50mm F/2 for M3 Gold (1 unit) 1957 ●
—Leitz Wetzlar Summicron 50mm F/2 [II] [SOSTA / 11018, 11518] [LSM] 1960 ●
■Leitz Wetzlar Summicron 50mm F/2 [II] Dual Range [SOSIC / 11918, SOOIC-MN / 11318, 11320]M7 - 61.00mE39 1956 ●
■Leitz Wetzlar Summicron 50mm F/2 [III] [11817]M6 - 50.70mE39 1969 ●
■Leitz / Leitz Canada Summicron-M 50mm F/2 [IV] [11819, 11825]M6 - 40.70mE39 1980 ●
—Leitz / Leitz Canada Summicron-M 50mm F/2 "Leica 1913-1983" [11819] (200 units) 1983 ●
—Leica Summicron-M 50mm F/2 "Year of the Rooster" [11825] (268 units) 1993 ●
—Leica Summicron-M 50mm F/2 "LHSA 25th Anniversary" [11825] (151 units) 1993 ●
—Leica Summicron-M 50mm F/2 "Colombo ’92" [11825] (201 units) 1993 ●
■Leica Summicron-M 50mm F/2 [V] [11826, 11816, 11719]M6 - 40.70mE39 1994 ●
—Leica Summicron-M 50mm F/2 "RPS Royal Centenary" (100 units) 1994 ●
—Leica Summicron-M 50mm F/2 "Leica HISTORICA 20th Anniversary" [11836] (150 units) 1995 ●
—Leica Summicron-M 50mm F/2 "Gold Dragon" [11834] (300 units) 1995 ●
—Leica Summicron-M 50mm F/2 Gold "King of Thailand" [11833] (700 units) 1996 ●
—Leica Summicron-M 50mm F/2 Gold "Sultan of Brunei" (125 units) 1996 ●
—Leica Summicron-M 50mm F/2 "150 Jahre Optik" [10483] (30 units) 1999 ●
—Leica Summicron 50mm F/2 [11619] [LSM] 1999 ●
—Leica Summicron-M 50mm F/2 "Kanto" (100 units) 2000 ●
—Leica Summicron-M 50mm F/2 Titanium [11624] (500 units) 2001 ●
—Leica Summicron-M 50mm F/2 "50 Jahre Summicron" [11615] (1000 units) 2003 ●
—Leica Summicron-M 50mm F/2 "Classic" (500 units) 2004 ●
—Leica Summicron-M 50mm F/2 "David Douglas Duncan" (16 units) 2014 ●
—Leica Summicron-M 50mm F/2 Safari [11824] (500 units) 2019 ●
■Leica APO-Summicron-M 50mm F/2 ASPH. [11141, 11142]M8 - 50.70mE39 2012 ●
—Leica APO-Summicron-M 50mm F/2 ASPHERICAL for RED (1 unit) 2013 ●
—Leica APO-Summicron-M 50mm F/2 ASPH. Titanium (333 units) 2016 ●
—Leica APO-Summicron-M 50mm F/2 ASPH. Red [11696] (100 units) 2016 ●
—Leica APO-Summicron-M 50mm F/2 ASPH. "LHSA 50th Anniversary" (500 units) 2017 ●
—Leica APO-Summicron-M 50mm F/2 ASPH. Black [11811] (700 units) 2019 ●
—Leica APO-Summicron-M 50mm F/2 ASPH. "Leica HISTORICA 45th Anniversary" [11778] (45 units) 2020 ●
—Leica APO-Summicron-M 50mm F/2 ASPH. Titanium (250 units) 2022 ●
—Leica APO-Summicron-M 50mm F/2 ASPH. Gold "King of Thailand" (30 units) 2022 ●
—Leica APO-Summicron-M 50mm F/2 ASPH. "Leica M Edition 70" (250 units) 2024 ●

Specification

Optical design:
35mm full frame
50mm
F/2
7 elements in 6 groups (Double Gauss derivative)
Leica M
46.8° (35mm full frame)
On Leica M8/M8.2 APS-H [1.33x] cameras:
35mm equivalent focal length:
66.5mm (in terms of field of view)
35mm equivalent speed:
F/2.7 (in terms of depth of field)
Diagonal angle of view:
36°
Diaphragm mechanism:
Diaphragm type:
Manual
Aperture control:
Aperture ring
10 (ten)
Focusing:
Coupled to the rangefinder:
Yes
1m
<No data>
Focusing modes:
Manual focus only
Manual focus control:
Focusing lever
Physical characteristics:
235g
<No data>
Accessories:
Screw-type 39mm
ITDOO / 12570
IROOA / 12571
12585
SOOFM / 12516

Source of data

  • Own research.

From the editor

For manufacturer description, please refer to a page dedicated to the Summicron 50mm F/2 LSM.

The lens accepts both 39mm screw-type and 42mm slip-on filters.

Notes

  • All LEICA lenses having a focusing lever are automatically locked at the infinity position. This feature enables the camera to be used for infinity scenes and subjects without danger of the lens becoming accidentally out of focus due to unintentional movement. To release the lever for focusing on nearer planes press the knob at the end of the lever.

Leitz Wetzlar Summicron 50mm F/2 [I] special editions (1)

Other standard prime lenses in the Leica M system

■Leica M mount (29)
Leitz Wetzlar Elmar 50mm F/3.5 [III] [ELMAR-M / 11110] • CollapsibleM4 - 31.00mE39 1954 ●
Leitz Wetzlar Elmar 50mm F/2.8 [I] [ELMOM / 11612, ELMOM / 11112] • CollapsibleM4 - 31.00mE39 1958 ●
Leica Elmar-M 50mm F/2.8 for M6J (1640 units) • CollapsibleM4 - 30.70mE39 1994 ●
Leica Elmar-M 50mm F/2.8 [II] [11831, 11823] • CollapsibleM4 - 30.70mE39 1995 ●
Leica Summarit-M 50mm F/2.5 [11644]M6 - 40.80mE39 2007 ●
Leica Summarit-M 50mm F/2.4 [11680, 11681]M6 - 40.80mE46 2014 ●
Leitz Wetzlar Summicron 50mm F/2 [II] [11117, 11118, SOMNI / 11818]M7 - 61.00mE39 1956 ●
Leitz Wetzlar Summicron 50mm F/2 [II] Dual Range [SOSIC / 11918, SOOIC-MN / 11318, 11320]M7 - 61.00mE39 1956 ●
Leitz Wetzlar Summicron 50mm F/2 [III] [11817]M6 - 50.70mE39 1969 ●
Leitz / Leitz Canada Summicron-M 50mm F/2 [IV] [11819, 11825]M6 - 40.70mE39 1980 ●
Leica Summicron-M 50mm F/2 [V] [11826, 11816, 11719]M6 - 40.70mE39 1994 ●
Leica APO-Summicron-M 50mm F/2 ASPH. [11141, 11142]M8 - 50.70mE39 2012 ●
Leitz Wetzlar / Leitz Canada Summarit 50mm F/1.5 [SOOIA-M / 11120]M7 - 51.00mE41 1954 ●
Leitz Wetzlar Summilux 50mm F/1.4 [I] [11113, SOOME / 11114]M7 - 51.00mE43 1959 ●
Leitz Wetzlar Summilux 50mm F/1.4 [II] [SOOME / 11114]M7 - 51.00mE43 1961 ●
Leitz Wetzlar Summilux 50mm F/1.4 [II] [11113, 11114]M7 - 51.00mE43 1968 ●
Leica Summilux-M 50mm F/1.4 [III] [11868, 11856]M7 - 50.70mE46 1995 ●
Leica Summilux-M 50mm F/1.4 [III] Titanium [11869]M7 - 50.70mE46 1995 ●
Leica Summilux-M 50mm F/1.4 ASPH. [I] [11891, 11892, 11716, 11717]M8 - 50.70mE46 2004 ●
Leica Summilux-M 50mm F/1.4 ASPH. [II] [11728, 11729]M8 - 50.45mE46 2023 ●
Leica Summilux-M 50mm F/1.4 Classic [11714]M7 - 50.70mE46 2025 ●
Leitz Wetzlar Noctilux 50mm F/1.2 [11820]M6 - 41.00mS.VIII 1966 ●
Leica Noctilux-M 50mm F/1.2 ASPH. Classic [11686]M6 - 41.00mE49 2021 ●
Leitz Wetzlar Noctilux 50mm F/1.2 Glossy black paint [11731]M6 - 41.00mE49 2024 ●
Leitz Canada Noctilux-M 50mm F/1 Type 1 [11821]M7 - 61.00mE58 1976 ●
Leitz Canada Noctilux-M 50mm F/1 Type 2 [11821]M7 - 61.00mE60 1978 ●
Leitz / Leica Noctilux-M 50mm F/1 Type 3 [11821]M7 - 61.00mE60 1982 ●
Leica Noctilux-M 50mm F/1 Type 4 [11822]M7 - 61.00mE60 1994 ●
Leica Noctilux-M 50mm F/0.95 ASPH. [11602, 11667]M8 - 51.00mE60 2008 ●

Lenses with similar focal length

■Leica M mount (38)
7Artisans 50mm F/1.1 MM7 - 60.70m⌀55 2017 ●
Artra Lab Lunaelumen-M 50mm F/1.1 ASPH. IIIM8 - 60.70m⌀58 2023 ●
Artra Lab Nocturne-M 50mm F/1.2 Brass (20 units)M8 - 60.70m⌀52 2024 ●
Artra Lab Nocturne-M 50mm F/1.2 Silver chrome (100 units)M8 - 60.70m⌀52 2024 ●
Artra Lab Nocturne-M 50mm F/1.2 Black paint (80 units)M8 - 60.70m⌀52 2024 ●
Cosina Voigtlander Nokton 50mm F/1.1 VMM7 - 61.00m⌀58 2009 ●
Cosina Voigtlander Nokton 50mm F/1.5 Aspherical Vintage Line VMM6 - 50.70m⌀49 2013 ●
Cosina Voigtlander Heliar 50mm F/2 Classic Line VM "Voigtlander 250th Anniversary" (2500 units) • CollapsibleM5 - 31.00m⌀39 2006 ●
Cosina Voigtlander Nokton 50mm F/1.2 Aspherical VMM8 - 60.70m⌀52 2018 ●
Cosina Voigtlander Nokton 50mm F/1.5 Aspherical Vintage Line II VMM8 - 70.70m⌀43 2020 ●
Cosina Voigtlander APO-Lanthar 50mm F/2 Aspherical VMM10 - 80.70m⌀49 2020 ●
Cosina Voigtlander Heliar 50mm F/1.5 Classic Line VMM6 - 30.50m⌀49 2021 ●
Cosina Voigtlander Nokton 50mm F/1 Aspherical VMM9 - 70.90m⌀62 2021 ●
Cosina Voigtlander Color-Skopar 50mm F/2.2 VMM7 - 60.50m⌀39 2024 ●
Cosina Voigtlander Nokton 50mm F/1.2 Aspherical II VMM8 - 60.70m⌀52 2025 ●
Kipon Iberit 50mm F/2.4 MM6 - 60.70m⌀49 2015 ●
Konica M-Hexanon 50mm F/2M6 - 50.70m⌀40.5 1999 ●
Konica M-Hexanon 50mm F/1.2 Limited (2001 units)M7 - 60.90m⌀62 2001 ●
Light Lens Lab Noctilucent 50mm F/1.2 ASPH. "1966"M6 - 41.00m⌀49 2024 ●
Light Lens Lab 50mm F/2 SPIIM7 - 50.70m⌀43 2023 ●
Light Lens Lab Elcan 50mm F/2M4 - 40.70m⌀39 2022 ●
Light Lens Lab 50mm F/2 SPII RigidM7 - 50.70m⌀39 2023 ●
Light Lens Lab 50mm F/2 RigidM7 - 60.70m⌀39 2024 ●
MS Optics Sonnetar 50mm F/1.3 S MCM5 - 40.80m⌀49 2022 ●
MS Optics Sonnetar 50mm F/1.1 MC (300 units)M5 - 41.00m⌀52 2012 ●
MS Optics Ism 50mm F/1 GA MCM7 - 50.80m⌀55 2018 ●
MS Optics Varioprasma 50mm F/1.5 Soft MCM6 - 40.80m⌀39 2019 ●
MS Optics Elnomaxim 55mm F/1.2 MCM4 - 41.00m⌀49 2020 ●
TTArtisan 50mm F/1.4 ASPH. MM10 - 80.70m⌀49 2020 ●
TTArtisan 50mm F/0.95 ASPH. MM11 - 80.70m⌀67 2020 ●
Thypoch Simera 50mm F/1.4 ASPH. MM8 - 60.45m⌀49 2024 ●
Thypoch Eureka 50mm F/2 M • CollapsibleM6 - 40.90mA36 2024 ●
Mr. Ding Noxlux 50mm F/1.1 DGM8 - 60.70m⌀58 2022 ●
Mr. Ding Noxlux 50mm F/1.1 DG IIM8 - 60.70m⌀58 2023 ●
Syoptic 50mm F/1.1 MM8 - 60.70m⌀52 ●
Carl Zeiss C Sonnar T* 50mm F/1.5 ZMM6 - 40.90mE46 2004 ●
Carl Zeiss Planar T* 50mm F/2 ZMM6 - 40.70mE43 2004 ●
Zhongyi Mitakon Speedmaster 50mm F/0.95 MM11 - 81.00m⌀67 2020 ●
■Leica screw mount (80)
Canon 50mm F/1.2 LSMM7 - 51.00m⌀55 1956 ●
Canon 50mm F/1.4 [I] LSMM6 - 41.00m⌀48 1957 ●
Canon 50mm F/1.4 [II] LSMM6 - 41.00m⌀48 1959 ●
Serenar / Canon 50mm F/1.5 LSMM7 - 31.00mS.VII 1952 ●
Serenar / Canon 50mm F/1.8 [I] LSMM6 - 41.00mS.VI 1951 ●
Canon 50mm F/1.8 [II] LSMM6 - 41.00mS.VI 1956 ●
Canon 50mm F/1.8 [III] LSMM6 - 41.00m⌀40 1958 ●
Canon 50mm F/2.2 LSMM5 - 41.00m⌀40 1961 ●
Canon 50mm F/2.8 [I] LSMM4 - 31.00mS.VI 1955 ●
Canon 50mm F/2.8 [II] LSMM4 - 31.00m⌀40 1957 ●
Chiyoko Super Rokkor 45mm F/2.8 [C] LSMM5 - 31.00m 1947 ●
Chiyoda Kogaku Super Rokkor 50mm F/1.8 LSMM6 - 51.00m⌀46 1958 ●
Chiyoko Super Rokkor 50mm F/2.8 [C] LSMM5 - 31.00m⌀40.5 1954 ●
Chiyoko Super Rokkor 50mm F/2 [C] LSMM7 - 61.00m⌀43 1955 ●
Chiyoko Super Rokkor 50mm F/2 LSMM7 - 61.00m⌀40.5 1955 ●
Cosina Voigtlander Color-Skopar 50mm F/2.5 LSMM7 - 60.75m⌀39 2002 ●
Cosina Voigtlander Heliar 50mm F/2 LSM "Cosina 50th Anniversary, Bessa 10th Anniversary" (600 units)M5 - 31.00m⌀39 2009 ●
Cosina Voigtlander Nokton 50mm F/1.5 Aspherical LSMM6 - 50.90m⌀52 1999 ●
Fuji Photo Film Fujinon 50mm F/1.2 LSMM8 - 63.5 ft. 1954 ●
Fuji Photo Film Fujinon L 50mm F/2 LSMM6 - ?1.00m⌀43 1957 ●
Fuji Photo Film Fujinon L 50mm F/2.8 LSMM5 - ?1.00m⌀40.5 1957 ●
Fuji Photo Film Cristar 50mm F/2 LSM • CollapsibleM6 - 43.5 ft. 1949 ●
Konica Hexanon 50mm F/2.4 LSM (1000 units) • CollapsibleM6 - 40.80m⌀40.5 1997 ●
Konishiroku Hexanon 50mm F/1.9 LSMM6 - 53.5 ft.⌀40.5 1956 ●
Leitz Wetzlar / Leitz Canada Summarit 50mm F/1.5 [SOOIA / 11020]M7 - 51.00mE41 1949 ●
Leitz Hektor 50mm F/2.5 [HEKTO, HEKTORKUP, HEKTOCHROM] • CollapsibleM6 - 31.00mA36 1931 ●
Leitz / Leitz Wetzlar Summar 50mm F/2 [SUMAR, SUMARKUP, SUMARCHROM]M6 - 41.00mA36 1933 ●
Leitz / Leitz Wetzlar Summitar 50mm F/2 [SOORE / 11015] • CollapsibleM7 - 41.00mE36.4 1939 ●
Leitz Wetzlar Xenon 50mm F/1.5 [XEMOO]M7 - 51.00mA51 1936 ●
Leitz Wetzlar Summicron 50mm F/2 [I] [SOOIC / 11016] • CollapsibleM7 - 61.00mE39 1953 ●
Leitz Wetzlar Compur-Summicron 50mm F/2 (150 units)M? - ?1.00m 1954 ●
Leitz Wetzlar Elmar 50mm F/2.8 [I] [ELMOO / 11512, ELMOO / 11012] • CollapsibleM4 - 31.00mE39 1957 ●
Leitz / Leitz Wetzlar Summar 50mm F/2 [SUMUS, SUMUSKUP, SUMUSCHROM] • CollapsibleM6 - 41.00mA36 1934 ●
Light Lens Lab Noctilucent 50mm F/1.2 ASPH. "1966"M6 - 41.00m⌀49 2024 ●
Light Lens Lab Elcan 50mm F/2M4 - 40.70m⌀39 2022 ●
Nippon Kogaku Nikkor-H·C 50mm F/2 LSM • CollapsibleM6 - 33.5 ft.S.VI 1947 ●
Nippon Kogaku Nikkor-H[·C] 50mm F/2 LSMM6 - 31.5 ft.S.VI 1950 ●
Nippon Kogaku Nikkor-S·C 50mm F/1.5 LSM (408 units)M7 - 51.5 ft.⌀40.5 1949 ●
Nippon Kogaku Nikkor-S[·C] 50mm F/1.4 LSMM7 - 31.5 ft.S.VII 1950 ●
Nippon Kogaku Nikkor-N·C 50mm F/1.1 LSM (211 units)M9 - 63.5 ft.⌀62 1956 ●
Jupiter-8 50mm F/2 LSM
akaЮПИТЕР-8 50mm F/2 [П]		M6 - 31.00m⌀40.5 1947 ●
Industar-61[L/D] 52mm F/2.8 LSM
akaИ-61 52mm F/2.8
akaИ-61Л/Д 53mm F/2.8
akaИ-61Л/Д 55mm F/2.8
akaИНДУСТАР-61Л/Д 55mm F/2.8		M4 - 31.00m⌀40.5 ●
Jupiter-3 50mm F/1.5 LSM
akaЮПИТЕР-3 50mm F/1.5 [П]		M7 - 31.00m⌀40.5 1948 ●
Industar-26M 50mm F/2.8 LSM
akaИ-26м 52mm F/2.8
akaИНДУСТАР-26м 50mm F/2.8 П		M4 - 31.00m⌀40.5 1954 ●
FED 50mm F/2 LSM • Collapsible
akaФЭД 50mm F/2		M6 - 41.00mA36 ●
Jupiter-17 50mm F/2 LSM
akaЮПИТЕР-17 50mm F/2 П		M5 - 41.00m⌀40.5 1953 ●
Steinheil Munchen Quinon 50mm F/2 LSMM6 - 30.60m ●
Tanaka Kogaku Tanar 50mm F/2.8 LSMM4 - 33.5 ft. 1954 ●
Tanaka Kogaku Tanar 50mm F/2.8 H.C. Close Focus LSMM4 - 31.5 ft. 1955 ●
Tanaka Kogaku Tanar 50mm F/2.8 H.C. Close Focus LSM BlackM4 - 31.5 ft. 1957 ●
Tanaka Kogaku Tanar 50mm F/2 H.C. LSMM6 - 31.5 ft.⌀40.5 1956 ●
Tanaka Kogaku Tanar 50mm F/2 H.C. LSM BlackM6 - 31.5 ft.⌀40.5 1957 ●
Tanaka Kogaku Tanar 50mm F/1.9 LSMM6 - 30.60m⌀40.5 1959 ●
Tanaka Kogaku Tanar 50mm F/1.8 LSMM6 - 30.60m 1960 ●
Tanaka Kogaku Tanar 50mm F/1.5 H.C. LSMM7 - 32 ft. 1957 ●
Teikoku Kogaku Zunow 50mm F/1.1 [I] LSMM9 - 53.5 ft.⌀54.5 1953 ●
Teikoku Kogaku / Zunow Opt. Zunow 50mm F/1.1 [II] LSMM8 - 53.5 ft.⌀54.5 1955 ●
Tokyo Kogaku Topcor-S 50mm F/2 Type 2 LSMM6 - 41.00m⌀40.5 1958 ●
Tokyo Kogaku Topcor-S 50mm F/2 Type 1 LSMM6 - 43.5 ft.⌀40.5 1957 ●
Tokyo Kogaku Topcor 50mm F/2.8 LSMM5 - 33.5 ft.⌀34 1958 ●
Tokyo Optical Topcor 50mm F/1.5 LSMM7 - 43.5 ft.⌀40 1954 ●
Tokyo Kogaku Topcor 50mm F/2 LSMM6 - 53.5 ft.⌀40 1954 ●
Tokyo Kogaku Topcor-S 50mm F/2 "Panda" LSMM6 - 41.00m⌀40.5 1957 ●
Tokyo Optical Simlar 50mm F/1.5 LSMM7 - 43.5 ft.⌀40 1950 ●
Voigtlander Nokton 50mm F/1.5 LSMM7 - 51.00m 1953 ●
Yashica [Super-]Yashinon 50mm F/1.8 LSMM6 - 53.5 ft.⌀43 1959 ●
Yashica Yashikor 50mm F/2.8 [II] LSMM5 - 40.90m⌀40.5 1959 ●
Yashica Yashikor 50mm F/2.8 [I] LSMM4 - 33.5 ft.⌀40.5 1959 ●
Yasuhara 50mm F/2.8 MC LSMM4 - 30.80m⌀35.5 2001 ●
Zuiho Honor 50mm F/2 LSMM6 - 43.5 ft. 1959 ●
Zuiho Honor 50mm F/1.9 LSMM? - ?3.5 ft.⌀43 1959 ●
Nicca 50mm F/2.8 Type 2 LSMM4 - 33.5 ft.⌀40.5 1958 ●
Nicca 50mm F/2.8 Type 1 LSMM4 - 33.5 ft.⌀34.5 1958 ●
Taylor-Hobson Anastigmat 50mm F/2 LSM • CollapsibleM6 - 43.5 ft. 1951 ●
K.O.L. Xebec 50mm F/2 LSM • Collapsible
akaSun Xebec 50mm F/2 LSM		M6 - 41.00m 1942 ●
Phenix 50mm F/2.8 MC LSM (500 units) • CollapsibleM4 - 30.70m⌀35.5 1999 ●
Lomography x Zenit New Jupiter-3+ 50mm F/1.5 LSMM7 - 30.70m⌀40.5 2016 ●
Carl Zeiss Jena Sonnar 50mm F/2 T LSM • CollapsibleM6 - 31.00m ●
Carl Zeiss Jena Sonnar 50mm F/2 T LSMM6 - 31.00m ●
Carl Zeiss Jena Sonnar 50mm F/1.5 T LSMM7 - 31.00m ●

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ITDOO / 12570 (1956)

For SUMMARON 3.5cm and SUMMICRON 5cm with E39 mounts. Velvet lining for reverse positioning. Narrow chrome band with above lens names engraved on black conical portion.

IROOA / 12571 (1959)

For 50mm and 35mm lenses with E39 mount. Double trigger fastening. Wide chrome band. Earliest examples were engraved "Summaron 3.5cm Summicron 5cm" but no codeword; later ones were engraved with either four or six focal length/aperture combinations and the codeword. Latest ones had the catalogue number and six focal length/aperture combinations.

SOOFM / 12516 (1954)

For SUMMICRON 50mm, f2. Similar to final version of SOOPD. Engraved "Summicron" on side.