APO-Telyt-R 180mm f/3.4
Leica · Leica R · 1975 · Apochromatic telephoto, seven elements in four groups
Also known as: APO-Telyt-R 180mm f/3.4 · APO-Telyt-R 180mm f3.4 · APO-Telyt-R 180mm F3.4 · APO-Telyt-R 180 mm f/3,4 · Apo Telyt R 180mm f3.4 · Apo Telyt R 180mm f/3.4 · APO-Telyt-R 3.4/180 · APO-Telyt-R 3,4/180mm · APO TELYT-R 3,4/180mm · APO-Telyt-R 1:3.4/180mm · APO-Telyt-R 1:3,4/180mm · Leica 180mm f3.4 APO-Telyt-R · Leica 180mm f/3.4 APO-Telyt-R · Leitz Canada 180mm f3.4 APO-Telyt-R · Leica APO-Telyt-R 180 · Telyt-R 180mm f3.4 · Telyt-R 180mm f/3.4 · Leica 11240 · Leica 11242 · ライカ アポテリートR 180mm F3.4 · アポテリートR 180mm F3.4
Variants & identification
| Variant | Mount | Years | Serial ranges | Production |
|---|---|---|---|---|
| 11240, 2-cam, Series 7.5 (Type I) | Leica R, 2-cam (Leicaflex, SL, SL2; R bodies only once the R-cam is fitted) | — | — | — |
| 11240, 3-cam, Series 7.5 (Type I) | Leica R, 3-cam (fits every Leicaflex and R body) | — | 2777275 (Kamerastore, 3-cam 11240) | — |
| 11242, 3-cam, E60 (Type II) | Leica R, 3-cam (fits every Leicaflex and R body) | 1980–1998 | from 2947024 (Leica 1982 handbook) | — |
| 11242 converted to ROM by Leica service | Leica R, ROM (R3 and later; not the Leicaflex bodies) | — | — | — |
| 11358, factory ROM | Leica R, ROM (R3 and later; not the Leicaflex bodies) | — | — | — |
- Specification from Leitz and Leica documents: the General Catalogue of 15 Sept 1978 and the Handbooks of July 1982 and Dec 1989 agree on 14°, seven elements in four components, f/22, 2.5 m, a smallest field of 276 × 414 mm (about 1:11.5), a non-rotating focusing mount, a built-on extensible hood, 135 mm, 68 mm and 0.750 kg. They call it a 'special lens of extended spectral range'. The 1982 handbook's scan reads the E60 internal thread as 'M60 x 0.35'; the 1989 handbook gives M 60 × 0.75, used here. Apotelyt gives 13.7° and 1:11.5.
- Eight diaphragm blades are reported by Kamerastore, not by a Leitz document.
- Design and origin. Erwin Puts writes that Leitz Canada computed the lens in 1975 for scientific work, for the best rendering of the finest detail, as a seven-element, four-group system also corrected for the infrared and at its best at infinity. Apotelyt says it was first conceived for military surveillance and reconnaissance and calls it the first apochromatically corrected lens Leica released. Heinz Richter (GMP Photo blog) says it began as the 180mm f/3.4 Elcan-R of the US Navy's high-resolution 35mm system, built on Leicaflex SL2 bodies, and Kamerastore says it came out of a US Navy camera programme of the early 1970s.
- The Elcan-R 180mm f/3.4 itself is not given a row here: no example, serial or Leitz document was examined. Apotelyt's R catalogue lists a 'Leitz Elcan-R 180mm f/3.4' with 7/4, 2.5 m, E60 and 750 g but 63 × 115 mm, against 68 × 135 mm for the APO-Telyt-R. This site's Elcan-R 75mm f/2 page covers the Navy system's 75mm lens.
- Production: English Wikipedia's list of Walter Mandler's designs says 'Only 6.000 units were produced'. It is the only production figure found, and it comes from a secondary source.
- Dates: 1975 from Puts, Apotelyt and Kamerastore; 1998 and the APO-Elmarit-R 180mm f/2.8 as successor from Apotelyt. The type split is Apotelyt's: 11240 with Series 7.5 from 1975 to 1980, 11242 with E60 from 1980 to 1998. The 11240 is in Leitz's 1978 catalogue and the 11242 in the 1982 and 1989 handbooks; the 2000/2001 handbook no longer has a specification page for it and lists it only in its conversion, ROM, older-lens and accessory tables.
- Extenders: Apotelyt says the lens works fully with the APO-Extender-R 2x and cannot be used with the APO-Extender-R 1.4x, whose front elements protrude. Leica's 1989 handbook describes the earlier Extender-R 2x for the R (11236) as suitable for focal lengths of 50 mm and longer; Leitz's 1982 handbook lists a separate Extender-R 2x for the Leicaflex SL/SL2, 11237. With a 2x extender the lens becomes a 360mm f/6.8.
- Price: no period list price in DM or dollars is recorded here. Puts gives the price relation instead: for a short time the 180mm f/4, f/3.4 and f/2.8 cost 2.4, 2.9 and 3.0 times a Summicron-R 50mm f/2. Market prices seen in November 2026, all dealer asking prices for used lenses: Kamerastore €549 for a 2-cam 11240 (sold out), €482 for 3-cam 11240 no. 2,777,275, €617 for 11242 no. 2,915,628 with its inner elements cleaned (Kamerastore's sold-out model listing for the 11242 shows €649); Leica Store Firenze through Leica Classic €750 for no. 2,987,718, VAT included under the margin scheme.
- Coating: Apotelyt's FAQ says the coating was apparently improved over the years, later lenses giving still more accurate colour. No source dates a change.
How to tell them apart
- Built-on telescopic hood, 135 mm from the bayonet flange, 68 mm across and 750 g in every Leitz and Leica document from 1978 to 1989
- Focuses only to 2.5 m; the 180mm Elmarit-R lenses go to 1.8 or 2 m and the APO-Elmarit-R to 1.5 m
- The front decides Type I or II: no screw thread and a Series 7.5 retaining ring 14222 below No. 2,947,024, an E60 thread from it. Leica offered to convert earlier lenses to E60 (1989 and 2000/2001 handbooks), so an E60 front on a lower serial is most likely a converted Type I
- Not the APO-Telyt-M 135mm f/3.4, the M-mount rangefinder lens of 1998, and not the Elcan-R 180mm f/3.4, the US Navy version of the same design
11240, 2-cam, Series 7.5 (Type I):
- Seen from the back, two sloped Leicaflex cams on the mount and no third, stepped R-cam
- No thread for screw-in filters at the front: a Series 7.5 filter sits behind retaining ring 14222, screwed into an internal M 59 × 0.75 thread (Leitz 1978 catalogue; 1982 and 1989 handbooks)
- Serial number no higher than 2,947,023, and an A65 push-on front cap 14089 rather than the later clip-on E60 cap 14290 (Leitz 1982 handbook; Apotelyt)
11240, 3-cam, Series 7.5 (Type I):
- Two sloped Leicaflex cams and the stepped R-cam on the back of the mount, no row of ROM contacts
- Series 7.5 front with retaining ring 14222, as on the 2-cam lens, and a serial no higher than 2,947,023
- Engraved Leitz rather than Leica, as Apotelyt says the earlier lenses are
11242, 3-cam, E60 (Type II):
- E60 thread inside the front of the built-on hood, M 60 × 0.75; Series 7.5 only through adapter 14263 (Leica 1982 and 1989 handbooks)
- Two sloped Leicaflex cams and the stepped R-cam, no ROM contacts
- Clip-on E60 front cap 14290 (Leica 1982 handbook; Apotelyt)
- Later lenses engraved Leica rather than Leitz (Apotelyt)
11242 converted to ROM by Leica service:
- An E60 lens with a strip of ROM contacts at the back of the mount, where a factory 11242 has none; the serial dates the lens, not the conversion
11358, factory ROM:
- ROM contacts on the back of the mount as delivered, order number 11358 on box and papers
- 11240, 2-cam, Series 7.5 (Type I): The first form of the lens, from before the Leica R3 of 1976 introduced the third cam. Kamerastore catalogues a Type I 2-cam 11240 as a model of its own, sold at €549. Without the stepped R-cam the lens is meant for the Leicaflex bodies: the first cam serves the original Leicaflex and the second the SL and SL2, both at full aperture. The R-body pages on this site carry Leica's warning that a lens without the R-cam must have it fitted before it is mounted on any R camera from the R3; Leica's 1989 handbook says the Leica Service Centre could add the cam and that the lens then still fits every Leicaflex. Kamerastore writes that 2-cam lenses work on the R bodies in stop-down metering only, which agrees with English Wikipedia and Alex Luyckx as cited on the R-body pages but not with Leica's instructions; Leica's is the safer guide. Apotelyt dates the 11240 as a whole to 1975–1980; no source separates the 2-cam years from the 3-cam ones.
- 11240, 3-cam, Series 7.5 (Type I): The Type I lens with the third cam added for the R3 and later bodies. Kamerastore offers one, serial 2,777,275, for €482 as a used lens with a scratch under the front element and minor haze on the middle elements; on Leitz's general serial year list that number falls in the 1976 band. Leitz's catalogue of September 1978 lists the 11240 under the heading of lenses for the R3 and the Leicaflex, SL and SL2. On an R8 or R9 a 3-cam lens meters at full aperture but passes no focal length to the body.
- 11242, 3-cam, E60 (Type II): The lens of Leica's 1982 and 1989 handbooks. The 1989 handbook heads its page "for LEICA R models (all modes), LEICAFLEX models", so it meters at full aperture on the original Leicaflex (first cam), the SL and SL2 (second cam) and every R body (R-cam), and on an R8 or R9 without passing the focal length. Dealer examples: Flashback Camera, Tokyo, a 3-cam E60 lens with a serial in the 3,470,000s, made in Canada, which the shop dates 1989; Leica Store Firenze through Leica Classic, no. 2,987,718, which the shop dates 1975 although the number falls in the 1979 band of the general year list. Apotelyt dates the 11242 to 1980–1998.
- 11242 converted to ROM by Leica service: Leica's Handbook 2000/2001 lists "APO-TELYT-R f/3.4/180 11242 possible" in its table of lenses that could be given ROM contacts; the 11240 does not appear in that table. Its conversion page says that once the contact ledge for the R8's electronic exposure compensation is added, the lens can no longer be used on Leicaflex models. On an R8 or R9 the contacts pass the focal length to the body and the flash; earlier R bodies ignore them. No converted example is recorded here yet.
- 11358, factory ROM: Known from one primary source: the ROM table of Leica's Handbook 2000/2001 lists "APO-TELYT-R f/3.4/180 11358 already with ROM", beside the 11242 marked possible. No dated example, serial block or catalogue page for the 11358 is recorded here. ROM contacts arrived with the R8 of 1996 and Apotelyt ends the lens in 1998, so if both dates are right a factory ROM lens comes from the last two or three years of production. A footnote to the handbook's ROM conversion page says that Leicaflex control cams, if present, must be removed for a ROM conversion; by that rule the 11358 should not be expected to fit the Leicaflex bodies, though no source says so of the 11358 itself.
Serial-range notes
- 2947024
- The break between the two filter fittings in Leica's own tables. The 1982 handbook gives the 11240 "to No. 2947023" and the 11242 from 2 947 024; the 1989 handbook's footnote repeats "up to No. 2947023 internal thread M 59 x 0.75". The 1989 and 2000/2001 conversion pages offer the E60 thread "up to Serial No. 2 947 024", one number later. Kamerastore writes "above serial number 2947024". On the general Leitz year list 2,947,024 falls in the 1978 band, 2,880,601–2,967,250, while Leitz's September 1978 catalogue still lists only the Series 7.5 lens and Apotelyt dates the E60 version from 1980. Either the number block was allocated well before the E60 lens appeared or Apotelyt's 1980 is late; no source settles which.
- 2915628
- A lens Kamerastore offers as a Type II 11242 (inner elements cleaned, minor coating damage, €617). The number is below the 2,947,024 break, so either it is a Type I converted to E60 by Leica service or the listing's type is wrong; the photographs would show which.
- 2777275
- A 3-cam 11240 sold by Kamerastore; 1976 band (2,761,101–2,809,400) of the general year list.
- the seven-digit number on the front ring
- The rule for every Leitz and Leica lens: numbers run in one sequence shared across models, reserved in blocks, so a number dates a lens only roughly against the general year list. For this lens the number also tells the filter fitting the lens was made with.
Specifications
- Formula
- Apochromatic telephoto, seven elements in four groups
- Designed by
- Mandler Walter — optical design (Mandler's own list of his designs, Viewfinder 2005, as cited by English Wikipedia)
- Construction
- 7 elements / 4 groups
- Aperture range
- f/3.4–f/22
- Diaphragm blades
- 8
- Min. focus
- 2.5 m
- Dimensions
- 68 × 135 mm
- Weight
- 750 g
- Filter
- Series 7.5 through retaining ring 14222 in an internal M 59 × 0.75 thread (11240, 2-cam, Series 7.5 (Type I), 11240, 3-cam, Series 7.5 (Type I)) · 60 mm (0.75 mm pitch), E60 screw-in from No. 2,947,024 (11242); Series 7.5 through retaining ring 14222 before it (11240) (11242, 3-cam, E60 (Type II), 11242 converted to ROM by Leica service, 11358, factory ROM)
- Years manufactured
- 1975–1998
- Country
- Canada (Ernst Leitz Canada, Midland: Puts, Apotelyt, Kamerastore)
- Material
- Black finished metal barrel with built-on telescopic hood
What reviewers say
- Erwin Puts (blog) — Puts calls the lens the breakthrough of the 180s, the first to reduce colour fringing to insignificance, and better than the second Elmarit-R 180; it is at its best at f/5.6 and at infinity, the 2.5 m close focus was unwelcome, and from f/5.6 at infinity it equals the later APO-Elmarit-R 180, which is better up to f/4 and close up and a little crisper overall.
- Heinz Richter (GMP Photo blog) (blog) — Richter, recounting the US Navy origin and its focus-shift tests against the Elmarit-R 180, holds that the lens focuses visible and infrared light in one plane, needs no infrared refocusing even on adapted digital M bodies, and is still one of the best lenses ever made for 35mm.
- Apotelyt (blog) — Apotelyt reports the highest Photodo MTF score of any 180mm tested and a five-star rating from Chasseur d'Images, but lists five weak points: the 2.5 m close focus, a peak at infinity, awkward filter sizes, bokeh some find harsh and a tendency to flare.
History
The APO-Telyt-R 180mm f/3.4 was Leica’s first apochromatic lens, a design from Ernst Leitz Canada in Midland. Erwin Puts writes that Leitz Canada computed it in 1975 for scientific work, with the rendering of the finest detail as the aim. It has seven elements in four groups, it is corrected into the infrared, and it performs best at infinity. English Wikipedia, citing Viewfinder (2005), has Walter Mandler include it in his own list of his designs. Heinz Richter traces it to the US Navy’s high-resolution 35mm system, in use from the early 1970s on Leicaflex SL2 bodies, where it was the 180mm f/3.4 Elcan-R beside a 75mm f/2 and a 450mm f/5.6; Kamerastore also says it was developed in the early 1970s for a US Navy camera programme. Leitz’s 1978 catalogue sells it as a “special lens of extended spectral range”: f/22, 2.5 m, a built-on extensible hood, 135 mm long and 750 g. Puts calls it the breakthrough among Leitz’s 180mm lenses, the first in which new glasses reduced colour fringing to insignificance, and he rates even the recomputed Elmarit-R 180mm f/2.8 of 1980 below it. For a short time the 180mm f/4, f/3.4 and f/2.8 all sold at close to the same price, 2.4, 2.9 and 3.0 times a Summicron-R 50 by his figures. Apotelyt ends production in 1998, when the APO-Elmarit-R 180mm f/2.8 replaced it.
The two types Leica sold differ at the front, not in the glass: Kamerastore says they are otherwise identical. The first, order number 11240, takes Series 7.5 filters held by retaining ring 14222 in an internal M 59 × 0.75 thread, and has an A65 push-on cap. The second, 11242, has an E60 thread (M 60 × 0.75) and a clip-on cap 14290. Leica’s own tables put the break at serial 2,947,024. That number falls in the 1978 block of Leitz’s general serial list, but Apotelyt dates the E60 lens from 1980. Leica also offered to rethread earlier lenses to E60, so an E60 lens numbered below the break is most likely a converted first type. The cams are a separate matter. Kamerastore lists the 11240 with two cams and with three. A 2-cam lens has only the two sloped Leicaflex cams and fits the original Leicaflex, the SL and the SL2. Leica’s instructions say such a lens needs the stepped R-cam fitted before it goes on any R camera from the R3; Kamerastore and some other sources say it will mount and meter stopped down, and the R-body pages here record both views. The 3-cam 11240 and the 11242 fit every Leicaflex and R body; Leica’s 1989 handbook lists the lens for all R models in all modes and all Leicaflex models. The Handbook 2000/2001 adds two ROM forms. A service conversion of the 11242 was available, and a factory ROM lens, 11358, is marked “already with ROM”. Leica says a lens given the ROM contact ledge can no longer be used on Leicaflex models, and the factory lens should not be expected to fit them either; no dated 11358 is recorded.
Apotelyt collects five weak points that Leica users mention: the 2.5 m close focus, performance that peaks at infinity, the odd filter sizes, bokeh some find harsh, and a tendency to flare. It also notes that the large glass sits at the front, which makes the lens front-heavy. Puts finds it at its best at f/5.6 and says the APO-Elmarit-R that replaced it is better up to f/4 and close up, while from f/5.6 at infinity the two are equal, the newer lens only a little crisper. Apotelyt reports that it fits the APO-Extender-R 2x but not the 1.4x, whose front elements protrude.
When buying, read the serial, the front and the back of the mount together. Below 2,947,024, a Series 7.5 ring is original and an E60 thread is a conversion. Two cams mean that, by Leica’s instructions, the R-cam must be added before the lens goes on an R body. Contacts mean ROM, and then the lens will not fit a Leicaflex. Check the telescopic hood, which is part of the barrel, and look through the lens for haze and coating marks. Kamerastore’s recent examples showed a scratch under the front element, minor haze on the middle elements, and minor coating damage on a lens whose inner elements had been cleaned. The 135mm APO-Telyt-M f/3.4 for the M shares the name and aperture but is a different lens.
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
- Apotelyt: the lens from several sides, with its box, a lens-section drawing and on an adapted Sony A7R (photo by Dierk Topp)
- Kamerastore: 3-cam Type I 11240, no. 2777275, with photographs of the mount and front
These photographers keep all rights to their work — enjoy it at the source.
Sample photo wanted — shot with a APO-Telyt-R 180mm f/3.4? We'd love to feature it (with credit).
Live listings
Asking price, USD: a median of $750 across 23 fixed-price listings on 2026-11-09 (middle half $610–$1,000). First day tracked.
Asking prices from the listings scanned, not sales; junk-flagged rows and auction lots excluded; other currencies are not converted.
- LEERKARTON für Leica 11242 Apo-Telyt-R 1:3,4/180 mm - 11 242 Box Karton OVP LEER
- LEICA Apo-Telyt-R 180mm f/3,4 - SNr: 2814967
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- Leica Apo-Telyt R 180/3.4 3 Cam Used Canada
- 【中古】(ライカ) Leica Apo-Telyt-R 180/3.4 (3カム)
- Leitz APO-Telyt-R 1:3.4/180mm - getestet! Sonderpreis!!!!
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- [Optics Top Mint] LEICA APO-TELYT-R 180mm F3.4 E60 3 CAM R mount Lens From Japan
- Leitz / Leica # 11240 - Leica APO-Telyt-R 80mm F/3.4 - 3,4/180 Leica R Lens
- Leica 180mm f3.4 APO-Telyt-R 3 CAM R-Mount Lens #42874
- Leica APO-TELYT-R 180mm F3.4 E60 3-CAM Excellent Condition
- Leica APO-Telyt-R 1:3.4/180mm F3.4 Teleobjektiv 180mm F3.4 LEITZ Kanada 1978
- Lens Leica Leitz Canada Apo-Telyt-R 180mm f3.4
Show 33 more listings
- Leica Leitz APO-TELYT-R 180mm f/3.4 Camera Lens w/Caps 3 cam #(T)27303
- Leica APO-Telyt-R 1:3.4/180mm Telephoto Lens 180mm F3.4 LEITZ Canada
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- Leica 180mm f3.4 APO-Telyt-R 3-Cam
- Leica APO-TELYT-R 180mm f/3.4 MF 3 Cam Lens E60 #3071199 "Mint/Pristine Optics"
- Leica Leitz Canada APO-Telyt-R 180mm f/3.4 MF Telephoto Lens w Cap R Mount V23
- Leica Apo-Telyt-R 1:3.4/180mm SLR camera lens Canada caps 11242
- Leica Leitz Canoda Apo-Telyt-R 180mm F/3.4 3-Cam Lens for Leica R #59782 T
- Leica APO-TELYT-R 180mm f/3.4 APO Lens Nikon mount
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- LEITZ Leica APO-Telyt-R 180mm/F3.4 Lens Yr.1977 Canada #23429
- Leica Apo-Telyt-R 1:3,4 /180 (180mm F3.4)
- Leica 180mm f3.4 APO Telyt-R ROM {EX+}
- Leica Leitz Canoda Apo-Telyt-R 180mm F/3.4 3-Cam Lens for Leica R #59782T
- Leica Apo-Telyt-R 1:3,4 /180 180mm F3.4 Objektiv
- 【中古】(ライカ) Leica APO-TELYT- R 3.4/180(2CAM)
- 【中古】(ライカ) Leica APO-TELYT- R 3.4/180(3CAM)
- 【中古】(ライカ) Leica APO-TELYT- R 3.4/180(3CAM)
- Leica Leitz Canoda Apo Telyt R 180mm F/3.4 3 Cam Lens for Leica R 59782T
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- Leica APO-Telyt-R 180mm f/3.4 Leica R Mount Telephoto Lens Canada Caps Excellen
- Leica Apo-Telyt-R 3,4/180 E60 ROM Leica R Tele Lens f/3,4 180mm Teleobjektiv
- Leica 180mm f3.4 APO-TELYT-R 11358 Tele Rom Lens w/Case/caps f/R8 R9 SLR Mint
- Leica APO-Telyt-R 180mm f/3.4 3-CAM
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- Leica APO Telyt R 1: 3.4/180mm New.
- Brand New Unused Leica APO-TELYT-R 180mm F3.4 Tele Lens R8 R9 11242
- Brand New Unused Leica APO-TELYT-R 180mm F3.4 ROM Tele Lens R8 R9 11358
- LEICA Apo-Telyt R 3,4/180 180 180mm 3,4 F3,4 Ersatz-Teile lesen read AS IS
- DEFEKT! Leitz Canada Leica R Apo-Telyt-R 3,4/180 3.4 180mm 1:3.4 180 mm Objektiv
- Leica Leitz Canoda Apo-Telyt-R 180mm F/3.4 3-Cam Lens for Leica R #59782T
- 良品■Leica APO-TELYT-R 180mm F3.4 2857257 3カム■前後キャップ付き■3568【動作保証・点検済】
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