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FED 50mm f:2
1938-1941

Taylor-Hobson formula from 1920.

6 elements in 4 groups.

5 flat grinded element surfaces. Only 2 different kind of glass were needed.

Uncoated glass.

The evolution of this lens type:

- First there was the Double-Gauss from 1888, 4 elements with 8 round surfaces in 4 groups.
- Developed from this Double-Gauss was the Planar from 1896, 6 elements with 12 round surfaces in 4 groups, the inner lens pairs were cemented.
- Developed from this Planar was the Taylor-Hobson from 1920, 6 elements with 7 round surfaces in 4 groups, asymmetry was added.
- Developed from this Taylor-Hobson was the Biotar from 1927, 6 elements with 12 round surfaces in 4 groups.
- After WW2 the name was changed from Biotar into Planar again.

Angle of coverage: 46,5 degrees

Aperture markings: from 2,0 to 18

Resolution: 25 l/mm center, 10-12 l/mm edges (photohistory.ru)

According to sovietcams.com some lenses are without serial number.

According to the book 'Russian and Soviet cameras (1840-1991) Catalogue / Iskusstvo 1993' 20.000 FED S were produced.

Princelle has a subtype F305 listed with engravings 'SUMMAR Leitz'.

Serial number range: 20.xxx to 33.xxx, so probably c. 13000 lenses were made.

Known serial numbers:

no # ___ ? ____________________________________ sovietcams.com PT2805

no # ___ 60 ____ lens only, no serial, see topic 2982 __ private

no # ___ 180 ___ lens only, no serial _______________ geoffox23

10 ____________ FED-B _________________________ A.Nikitin

34 ____________ FED-B _________________________ A.Nikitin

20684 __ 19 ____ FED-S _________________________ A.Nikitin

20701 __ 121/X _ FED-S _________________________ ebay

20912 __ ? _____ FED-S #59309 __________________ Princelle

20936 __ ? _____ FED-S _________________________ ebay

20971 __ 20 ____ FED-S #62906 __________________ PYC

21118 __ ? _____ FED-S #65769 __________________ ebay

21276 __ ? _____ FED-S #83059 __________________ Soviet Power

21334 __ ? _____ FED-S #56054 __________________ ussrphoto

2?453 __ 70 ____ FED-S #65839 _______ see photo __ Serhio Vorobaz

21488 __ ? _____ lens only, fake Summar __________ Jacques M.

21506 __ 69 ____ lens only ______________________ ebay 2016

21536 __ ? _____ lens only ______________________ eBay

21623 __ ? _____ FED-S #62887 __________________ Princelle

21904 __ ? _____ FED-S #65328 __________________ Molotok

22001 __ 32 ____ FED-S #67723 __________________ Jacques M.

22485 __ 8/0 ___ FED-S #70348 __________________ ebay

22495 __ 8/0 ___ FED-S #69929 __________________ Christian G. (Niko80)

22506 __ 31 ____ FED-S #70883 __________________ Christian G. (Niko80)

22613 __ 55 ____ FED-S #73248 __________________ eBay

22624 __ ? _____ FED-S #73260 __________________ A.Nikitin

22657 __ ? _____ FED-S #59274 __________________ Bill Parkinson

22816 __ ? _____ standard FED-1 #50797 __________ Mike Haley (napchop)

22828 __ 4/8 ___ FED-S #90345 __________________ Jacques M.

22898 __ / _____ FED-S #98361 __________________ Christian G. (Niko80)

23017 __ ? _____ FED-S #77232 __________________ ebay

23021 __ ? _____ FED-S #73338 __________________ ebay

23183 __ ? _____ FED-S #77057 __________________ ebay (Aidas)

23225 __ ? _____ standard FED 1e #177862 _________ Westlicht auction#29 lot#257

23334 __ 90/0 __ FED-S #81205 __________________ ebay

23371 __ 67/0 __ lens only _______________________ eBay

23373 __ ? _____ lens only ______________________ eBay

23456 __ 143 ___ lens only ______________________ eBay

23515 __ 96 ____ lens only ______________________ ebay

23784 __ ? _____ FED-S #78799 __________________ ebay

23814 __ ? _____ FED-S #65494 __________________ David Tomlinson

24129 __ 13 ____ lens only _______________________ mirror

24157 __ ? _____ standard FED-1 #58453 __________ Mike Haley (napchop)

24214 __ 38/5 ___ lens only ______________________ ebay

24466 __ ? _____ FED-S #145843 _________________ outfitter

24511 __ ? _____ FED-S #177597 _________________ Aidas

24761 __ ? _____ FED-S #158978 _________________ SOVDEPIA

24854 __ 2 _____ lens only ______________________ ebay

24892 __ ? _____ FED-S #98666 __________________ ebay

25122 __ ? _____ FED-S #83339 __________________ ebay

25178 __ ? _____ FED-S #115732 _________________ Soviet Camera Store

25237 __ 10 ____ FED-S ________________________ Christian G. (Niko80)

25492 __ ? _____ FED-S #93609 _________________ Jacques M.

25571 __ ? _____ Fed-B #173618__________________ Mladek / Leicashop Vienna

25682 __ 18/2 __ FED-S #97298 __________________ Jacques M.

25909 __ ? _____ FED-S #98527 __________________ Alex Photo

25996 __ ? _____ FED #217531 __________________ web

26054 __ 55/1 __ lens only _______________________ geoffox23

26504 __ ? _____ FED-S #138730 _________________ Juhani

26708 __ 74/4 __ FED-S #104370 _________________ Jacques M.

27151 __ ? _____ FED-S _________________________ Johan Kuiper

27282 __ 78 ____ FED-S #115356 _________________ Vladislav Kern

27585 __ ? _____ lens only ______________________ DVD

27672 __ ? _____ FED-S #117171 ________________ A.Nikitin

27721 __ ? _____ FED-S #116318 ________________ A.Nikitin

27890 __ 41 ____ FED-S #76862 _________________ Jacques M.

27938 __ 4 _____ FED-S #118999 ________________ ebay

27951 __ ? _____ FED-S #119792 ________________ Jacques M.

28549 __ 126 ___ lens only _____________________ eBay

28550 __ ? _____ FED-Sport _____________________ Jacques M.

28869 __ ? _____ lens only, fake Summar __________ Bill Parkinson

28904 __ 50 ____ FED-S #131794 ________________ Chris Sabine

28946 __ ? _____ FED-S #132262 ________________ eBay

28957 __ ? _____ FED-S #132610 ________________ David Tomlinson

29044 __ 59 ____ FED-S #157694 ________________ Jacques M.

29205 __ ? _____ FED #56540 ___________________ eBay

29254 __ 128 ___ lens only ______________________ ebay

29299 __ 124 ___ lens only ______________________ ebay

29406 __ ? _____ FED-S #168125 ________________ Alain Berry

29484 __ 19 ____ FED-S #179349 ________________ Bill Parkinson

29515 __ ? _____ lens only ______________________ Agfa100

29576 __ ? _____ FED-S #136157 ________________ DVD

29713 __ ? _____ lens only ______________________ web

29989 __ ? _____ FED-S #141580 ________________ kievuser

30132 __ ? _____ FED-S #145712 ________________ ebay

30301 __ ? _____ FED-S #145088 ________________ list_service

30335 __ 12 ____ FED-S #145902 ________________ okynek

30458 __ 55/7 __ lens only _______________________ ebay 2016

30525 __ ? _____ FED-S #146818 _________________ Johan Kuiper

30633 __ ? _____ FED-S #129129 _________________ Socrat Store

30650 __ ? _____ FED-S #148495 _________________ eBay

31110 __ 7/5 ___ FED-S _________________________ Jacques M.

31119 __ ? _____ FED-S #156361 _________________ Aidas

31185 __ ? _____ FED-S #107723 _________________ Stephan VDZ

31228 __ ? _____ FED-S #157264 _________________ eBay

31331 __ ? _____ FED-S #113097 _________________ ebay

31358 __ 81 ____ FED-S #158202 _________________ ebay

31409 __ 34 ____ FED-S #133561 _________________ Aidas

31440 __ 117 ___ lens only ___________ see photo __ Serhio Vorobaz

31613 __ 52 ____ lens only ______________________ ebay

31726 __ ? _____ FED-S #160873 ________________ Stephan VDZ

31933 __ ? _____ FED-S #164771 ________________ SOVDEPIA

32168 __ 63 ____ FED-S #171362 ________________ ebay

32189 __ 65 ____ standard FED-1 #175011 _________ Jacques M.

32194 __ 17 ____ lens only ______________________ ebay

32383 __ ? _____ FED-S #170792 _________________ net

32412 __ 118 ___ standard FED #158859 ___________ net

32470 __ 11/3 __ FED-S #167621 _________________ georg16nik

32520 __ 68/0 __ Fed-S #63296 __________________ eBay

32726 __ 5 _____ FED-S #172936 _________________mirror

32763 __ 160 ___ FED-S #174119 ________________ Christian G. (Niko80)

33048 __ ? _____ FED-S, with Sonnar parts ________ Cl.Asquini

33128 __ 91/2 __ FED-S ________________________ eBay

33323 __ 3 _____ FED-S #180024 ________________ Christian G. (Niko80)

33509 __ 872 ___ FED-S #177376 ________________ ebay

____________________________________________________________________________

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Created by napchop on 7/13/2008 8:32:14 AM | Last Edited by Niko80 on 3/31/2020 5:11:17 PM Revision History

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