Tessar 5cm f/3.5
Carl Zeiss · Contax RF + M42 + Exakta · 1932 · Tessar
Also known as: Zeiss Tessar 50mm f/3.5 · Tessar 5cm f3.5 · Carl Zeiss Jena Tessar 50mm f/3.5 M42 · Carl Zeiss Jena Tessar 50mm f/3.5 Exakta · Tessar 3.5/50 · Tessar 3,5/50 · Tessar 50mm 3.5 · Tessar T 50mm f3.5 M42 · Tessar 1:3,5 f=5cm · Tessar 3,5/50 Exakta · テッサー 50mm F3.5
Variants & identification
| Variant | Mount | Years | Serial ranges | Production |
|---|---|---|---|---|
| Carl Zeiss Jena, collapsible | Contax RF | 1932–1945 | 1364483–2900000 — the 1932 to 1942 span of the company-wide Carl Zeiss year table; prewar and wartime Jena numbers stay below 3000000 from 1270001 — Ghisetti's first batch, built December 1930: on his reading of the Zeiss registers the Tessar 5cm f/3,5 was the first lens ever made in the Contax bayonet, ahead of the camera's release up to about 1600000 — where Ghisetti puts the end of the black-and-nickel finish; every lens of this period is marked Carl Zeiss Jena from 1403042 — Pacific Rim Camera's first chrome Tessar, the finish changed in 1936 to match the Contax II | No figure published |
| Oberkochen, rigid | Contax RF | 1950–1961 | 10000–3000000 — the Carl Zeiss Oberkochen sequence, which restarts low after the war and reaches 3000000 only in 1961 | About 1,500 marked Zeiss-Opton from 1951 and about 4,500 engraved Carl Zeiss from 1953 (Pacific Rim Camera) |
| Tessar 50mm f/3.5 macro | Contax RF | 1950–1961 | 10000–3000000 — the same Oberkochen sequence as the rigid Tessar; no published list separates the two | No figure published |
| Carl Zeiss Jena, Exakta (postwar) | Exakta | 1947–1954 | 3000001 — the first lens Carl Zeiss Jena numbered 3,000,001, where its postwar numbers generally begin: a 5cm f/3,5 in Exakta mount, March 1947 (Ghisetti, from the Zeiss registers) 3698471 — Süleyman Demir's lens, on an Exakta Varex VX of about 1954; he dates the lens to about 1951, where the Jena block table puts the number in 1952–55 | No figure published |
| Carl Zeiss Jena, M42 | M42 | 1948–1954 | 3220957 — the lens on the Science Museum Group's Contax S (Kodak Collection 1990-5036/3923), described there as f/3.5–22; it falls in the Jena block for 1949–52 | No figure published |
- No per-model serial list has been published for the Contax Tessar 5cm f/3.5 in any source consulted online. The batch-level record exists in print: Hartmut Thiele's Fabrikationsbuch Photooptik II lists Carl Zeiss Jena photographic optics 1927–1991 by type, with batch quantities and "Nr. von / bis" serial columns. It was not consulted for this entry.
- Copies of the Carl Zeiss year table disagree in their transcription. Camera-wiki opens 1912 at 137418, craigcamera.com at 173418; camera-wiki gives 1914 as 249886–282739 and 1924 as 578297–631501, where craigcamera gives 252739 and 631869–; craigcamera records 1925 as 652230–681743 against camera-wiki's 631500–648500, and marks 1916 and 1940 unknown where camera-wiki supplies figures. The 1930s brackets that matter to this lens agree in both.
- Wartime and immediate postwar numbers are the least reliable part of the table: batches were numbered from blocks reserved earlier, so some 1944 work carries numbers set aside for 1940 and some 1941 lenses number higher than 1945 ones. The published table stops at 1942, and no block consulted covers 1943 to 1945.
- Camera-wiki's Contax lens list includes a postwar Carl Zeiss Jena rigid Tessar 50mm f/3.5 in an alloy mount, an East German lens in the Contax bayonet that the variant list here does not carry. Its serials fall above 3000000 and it is identified by the red T and the light alloy barrel.
- The date this lens first appeared is given three ways. This entry and camera-wiki open it with the Contax I in 1932; Pacific Rim Camera dates the first version, black face on a nickel body, to 1931; Ghisetti dates the first batch to December 1930 at serial 1,270,001 and calls it the first lens ever built in the Contax bayonet. Kröger, working from the Zeiss disposition card, gives a different account: a lot of 5,000 Tessar 3.5/5cm ordered in December 1930 was apparently held back for more than two months so that it could be built to the new calculation finished at the end of February 1931. Ghisetti's December 1930 is therefore the month Kröger gives for the order of that lot, not for its building; Kröger gives no serials for the lot, and neither source mentions the other's date. Kröger puts the highest serial of the earlier 1929 calculation, made for the Kolibri, at 1,257,000, just below Ghisetti's first Contax number.
- Camera-wiki's macro Tessar and Pacific Rim Camera's close-up Tessar may or may not be the same lens. Camera-wiki lists a Tessar 50mm f/3.5 macro among the Oberkochen lenses, which is where the variant table above puts it; Pacific Rim Camera instead describes a 1947 version made for the Contaprox close-up device, and says only its optics were made at Jena. No source consulted lists both, and none gives a serial range for either.
- Ghisetti reaches the wartime warning above from the factory registers rather than from the published year table, and lands in the same place: lots of 1944 sit inside the numbers set aside for 1940, many 1941 lots carry higher numbers than 1945 lots, and the band from 2,600,000 to 2,700,000 is "quasi sempre inaffidabile" for fixing a year. He puts the return to an orderly sequence in the first months of 1946.
- The Zeiss-Opton to Carl Zeiss changeover is published at two different numbers, on two different lenses, and at neither on this one. Pacific Rim Camera puts it at 1164801 on the 50mm f/1.5 Sonnar; Ghisetti writes that Carl Zeiss-marked Sonnars officially began only at 1,256,001, and offers a Sonnar 50mm f/2 numbered 824,840 already engraved Carl Zeiss as evidence that the Oberkochen registers contradict themselves. No source consulted gives a changeover number for the Tessar.
- Ghisetti ends the lens later than the variant table does. Zeiss Ikon closed the Contax camera line in 1960 but kept supplying lenses until 1962, and the Zeiss Ikon catalogues of 1961–62 still give the Contax system five pages and still list eight lenses from 21mm to 135mm.
- Pacific Rim Camera's version history: first Contax Tessar 5cm f/3.5s built in 1931 with a black face and nickel body; an all-nickel bright-faced redesign in 1932; chrome from 1936 to match the Contax II, first recorded serial 1403042, with some black-and-nickel parts assembled under serials over 3,000,000; postwar Jena lenses of 1945–50 in aluminium with an engraved black ring, coated examples from serial 3009301 and uncoated ones without the ring; Zeiss-Opton optics from 1950; a rigid 40.5 mm-filter lens from 1951 in about 1,500, and about 4,500 engraved Carl Zeiss from 1953. A Contaprox close-up version of 1947 used Jena optics only.
- The Exakta and M42 lenses are on this page because they are the same optics. Kröger writes that Jena calculated a new Tessar 3.5/5cm with new glasses on 6 November 1947 (trial V19), which as far as is known never reached series production, and kept building the lens to the old calculation from the 1930s; a data sheet for the 1931 calculation, drawn up in April 1947, survives. A separate Tessar 3.5/5cm calculated in October 1936 for the Kodak Retina, with a focal length about 1 mm shorter, is a different lens and is not covered here.
- No source consulted gives a production figure for either reflex version. The end dates rest on two sources: Kröger's table of Tessar calculations has the 1931 calculation made until the end of 1954, with Exakta noted against that date, and Richard Haw dates the M42 preset lens to about 1950–54. Kröger's text says more loosely that the f/3.5 Tessars dropped out of Jena's programme in the course of the 1950s. Neither says when the M42 version stopped as distinct from the Exakta one.
- Richard Haw writes that besides his M42 lens this Tessar was also made in Exakta and Leica thread mounts, "just to name a few". No other source consulted mentions a Leica-thread version, and this page carries none.
How to tell them apart
- The cheapest standard lens in the Contax range, and the oldest design in it
Carl Zeiss Jena, collapsible:
- Collapsible barrel; black and nickel, then chrome
Tessar 50mm f/3.5 macro:
- A dedicated close-focusing version, listed separately by camera-wiki
Carl Zeiss Jena, Exakta (postwar):
- Exakta bayonet at the rear, in place of the Contax bayonet or the 42 mm thread
- Manual diaphragm without click stops, closing to f/16, and focusing to 0.5 m on Demir's example
Carl Zeiss Jena, M42:
- 42 mm screw thread
- Preset diaphragm on the version Richard Haw dates to about 1950–54
- A long rear baffle that reaches far into the mirror box (Haw)
- Carl Zeiss Jena, Exakta (postwar): Ghisetti, working from the Zeiss registers, writes that the first lens Carl Zeiss Jena ever numbered 3,000,001 was a 5cm f/3,5 with an Exakta mount, made in March 1947, and Kröger dates the resumed production of the Tessar 3.5/5cm to the same month, to equip both the viewfinder and the reflex cameras then going back into production. A physical example is Süleyman Demir's Exakta Varex VX of about 1954, shown on camera-wiki, with a Carl Zeiss Jena Tessar 50mm f/3.5 T, no. 3698471: he describes a manual diaphragm with no click stops, a 30.5 mm filter thread, apertures from f/3.5 to f/16 and focusing from 0.5 m. Those figures are his, from one lens. Richard Haw also names Exakta among the mounts of this lens. The end year is Kröger's: his table of Tessar calculations has the 1931 calculation made until the end of 1954, with Exakta noted against that date.
- Carl Zeiss Jena, M42: Kröger illustrates an example of March 1948 as one of the first lenses ever made with the 42 mm thread, by his count probably the seventy-seventh, which puts this mount ahead of the Contax S; he argues that the thread known abroad as the Praktica or Pentax thread should properly be called the Praktiflex thread. The Science Museum Group's Contax S, a body with the delayed-action lever, carries one, no. 3220957. Richard Haw dates the preset version to about 1950–54 and warns that its rear baffle reaches so far into the mirror box that it fouls the mirror or mechanism of later M42 bodies, which makes a Contax D the camera to use it on. The end year is his approximate one; Kröger's table of Tessar calculations has the 1931 calculation made until the end of 1954. A serviced example offered in Leipzig in November 2025 has a 12-blade iris, by the seller's description.
Serial-range notes
- the whole Carl Zeiss sequence
- THE RULE. Carl Zeiss numbered every lens it made in one continuous sequence, whatever the type, so a Tessar is dated from the company-wide serial/year table and not from a list for this model. Find the number on the front bezel and read it off the table: 1932 = 1364483–1389279, 1933 = 1436671–1456003, 1934 = 1500474–1590000, 1935 = 1615764–1752303, 1936 = 1674882–1942806, 1937 = 1930150–2219775, 1938 = 2267991–2527984, 1939 = 2527999–2651211, 1940 = 2652000–2678000, 1941 = 2678326–2790346, 1942 = 2800000–2900000 (camera-wiki, after Wilkinson and Glanfield; craigcamera.com publishes the same table). The brackets overlap because Zeiss allocated blocks in advance and worked through them out of order, so a number that falls in two years is ambiguous by the table alone.
- above 3000000, versus 10000 upward
- After 1945 the sequence forks and the same number means two different decades depending on which factory made the lens. Carl Zeiss Jena in the East resumed above 3000000 — Pacific Rim Camera puts the first postwar Jena lenses "over 3000000" — and ran 3000000–3200000 for 1945–49, 3200000–3470000 for 1949–52, 3470000–4000000 for 1952–55, then a million a three-year block to 10000000 by 1975. Carl Zeiss Oberkochen in the West started again from 10000: 10000–500000 for 1946–51, 500000–1100000 for 1951–53, 1100000–2600000 for 1953–59, 2600000–3000000 for 1959–61. A rigid Contax Tessar numbered in the hundreds of thousands is therefore West German and early 1950s, not prewar Jena.
- the barrel engraving, before the number
- On the postwar rigid Tessar the marking dates the lens faster than the number does. Zeiss Oberkochen sold under the Zeiss-Opton name until the trademark dispute with Jena was settled around 1953, and as Carl Zeiss after it; Pacific Rim Camera puts the changeover on the 50mm f/1.5 Sonnar at serial 1164801, which falls at the start of camera-wiki's 1100000–2600000 block for 1953–59. Camera-wiki notes that both markings occur across the Oberkochen Contax range.
- a letter followed by five digits
- Not a lens number at all. Zeiss Ikon numbered CAMERAS in a separate sequence — one letter and five digits, a new letter every 99,999 — so a Contax body reading B21882 and a Tessar reading 1863717 are two unrelated series that happen to sit on the same camera.
- 2970000–3009301, on a postwar Jena barrel
- The published exception to the rule above, and the two sources that state it disagree. Pierpaolo Ghisetti, working from the Zeiss registers, writes that postwar Carl Zeiss Jena numbers generally begin at 3,000,000 but that the Tessar 5cm f/3,5 is one of two exceptions and starts at 2,970,000 — the other being the Sonnar 5cm f/2 at 2,842,301. Pacific Rim Camera instead puts the resumed Jena Tessar at 3009301, in an aluminium barrel with a black engraved line on the face, some of them uncoated. An aluminium-barrelled Tessar numbered in the high 2.9 millions is therefore not necessarily a wartime lens. Ghisetti adds that the first lens Carl Zeiss Jena ever numbered 3,000,001 was itself a 5cm f/3,5, of March 1947, and that it carried an Exakta mount rather than a Contax bayonet.
- above 3000000, on an Exakta or M42 lens
- The M42 lens and the postwar Exakta lens are Jena lenses of 1947 onwards, dated from the Jena blocks above and never from the prewar table. Ghisetti's no. 3,000,001 of March 1947, in Exakta mount, stands at the start of the 3,000,000 block. Two more numbers are published with their mounts, and they sit unevenly against the blocks: no. 3220957, on the Science Museum Group's Contax S, falls in the 1949–52 block, consistent with a camera launched in 1949; no. 3698471, on an Exakta, falls in 1952–55, although its owner dates the lens to about 1951.
Specifications
- Formula
- Tessar
- Designed by
- Paul Rudolph — optical design of the Tessar, 1902
- Construction
- 4 elements / 3 groups
- Aperture range
- f/3.5
- Filter
- 42 mm slip-on (Carl Zeiss Jena, collapsible) · 40.5 mm (Oberkochen, rigid) · 30.5 mm (Carl Zeiss Jena, Exakta (postwar))
- Years manufactured
- 1932–1961
- Country
- Germany
What reviewers say
- fortia's レビュー, a 1931 uncoated Jena lens on a Sony α7R II (blog) — 「小さいレンズだから性能に期待できないかと思いきや、よく写る」— though nothing is expected of a lens this small, it photographs remarkably well, and pixel-level crops hold. Uncoated, so any strong light source flares, and the out-of-focus can turn turbulent rather than smooth. via machine translation — corrections welcome
- Richard Haw, the M42 preset lens on a Nikon Z6 and on film (blog) — Sharp, with almost no chromatic aberration even at f/3.5; contrast is a little low wide open, spherical aberration is nearly gone by f/5.6 and the corners improve a great deal by f/8. Vignetting is heavy wide open and some corner darkening remains at f/8. He calls it the best 50mm Tessar he has used, and says to put it on a Contax D because its rear baffle gets in the way of the mirror on later M42 bodies.
History
The Tessar was already thirty years old when the Contax appeared: Paul Rudolph designed it for Zeiss in 1902, four elements in three groups, and it became the most-copied lens arrangement in history. Leitz’s Elmar is a Tessar variant; so is the Soviet Industar; so is a large fraction of everything made anywhere between the wars.
The 5cm f/3.5 itself is a calculation of February 1931. Marco Kröger, working from the Zeiss archive, describes Willy Merté reworking the Tessar 3.5/5cm of 1929, made for the 3×4 cm Kolibri, into a lens for the 24×36 mm frame under pressure of time, because the new Contax needed it urgently; the Kodak Retina was given the same lens. The glass types stayed those of 1929 except in the second element.
On the Contax it is the economy standard lens, sold beside the f/2 and f/1.5 Sonnars for photographers who did not need the speed. Prewar examples collapse into the body; the postwar Oberkochen version is rigid, and Zeiss also listed a dedicated macro version.
After the war Jena went back to the same calculation, which is why its Exakta and M42 lenses belong on this page. Kröger dates the restart to March 1947, immediately after the dismantling of the works, to give the viewfinder and reflex cameras then returning to production a mid-priced standard lens; a recalculation with new glasses was finished that November but, as far as he knows, never reached series production. According to Ghisetti, the first lens Jena numbered 3,000,001, where its postwar numbers generally begin, was a 5cm f/3,5 in Exakta mount made that same March. Kröger shows a lens of March 1948 in the 42 mm thread, by his count probably the seventy-seventh lens ever made with it, before the Contax S had been shown, and argues that the thread should properly be called the Praktiflex thread. The Science Museum Group’s Contax S carries one, no. 3220957.
Richard Haw calls it Jena’s budget 50mm and reports an Ihagee catalogue for the Exakta pricing it at about half the Tessar 2.8/50. Tell the versions apart by the mount, a Contax bayonet, an Exakta bayonet or a 42 mm thread, and date an M42 or postwar Exakta lens from the postwar Jena number blocks. Before fitting an M42 example to a later body, look at the back of it. Haw dates the preset version to about 1950–54 and warns that its rear baffle reaches so far into the mirror box that it fouls the mirror of later M42 cameras, which makes the Contax D the body for it. Kröger warns that Jena M42 lenses of the period such as the Tessar 4.5/40, the Biotar 1.5/75 and the Flektogon 2.8/35 have a conical rim behind the thread that jams the Praktica L-series bodies of 1969 onwards unless it has been removed or notched; he does not say whether this Tessar has one. His table of Tessar calculations has the 1931 lens made until the end of 1954, with Exakta noted against that date, and no source consulted gives a production figure for either reflex version.
This history is AI-written, from the sources listed at the foot of the page. Where the record is silent it says so rather than filling the gap — but no human wrote these sentences.
Example photos
More sample photos elsewhere
- Exakta Varex VX with Carl Zeiss Jena Tessar 50mm f/3.5 T no. 3698471 — Süleyman Demir (Flickr)
- The March 1948 Tessar 3.5/5cm in the 42 mm thread — Marco Kröger's Tessar history
These photographers keep all rights to their work — enjoy it at the source.
Sample photo wanted — shot with a Tessar 5cm f/3.5? We'd love to feature it (with credit).
Live listings
Asking price, USD: a median of $200 across 14 fixed-price listings on 2026-11-04 (middle half $180–$250). Tracked since 2026-09-06, 13 days: up 11% from $180.
By day
| Date | Median | Middle half | Listings |
|---|---|---|---|
| 2026-11-04 | $200 | $180–$250 | 14 |
| 2026-11-02 | $200 | $180–$250 | 14 |
| 2026-10-30 | $200 | $180–$250 | 14 |
| 2026-10-26 | $250 | $200–$340 | 15 |
| 2026-10-19 | $250 | $200–$340 | 15 |
| 2026-10-18 | $250 | $200–$340 | 15 |
| 2026-10-17 | $250 | $200–$340 | 15 |
| 2026-10-16 | $250 | $200–$340 | 15 |
| 2026-10-15 | $230 | $180–$340 | 17 |
| 2026-09-21 | $200 | $120–$280 | 17 |
| 2026-09-18 | $200 | $120–$280 | 17 |
| 2026-09-11 | $200 | $99–$250 | 15 |
| 2026-09-06 | $180 | $99–$250 | 14 |
Asking prices from the listings scanned, not sales; junk-flagged rows and auction lots excluded; other currencies are not converted.
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