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Tamron Adaptall Lenses

In the mid-1970s, Tamron launched a new line of interchangeable mount third party lenses that it appropriately named Adaptall. The universal lens bodies connected via a bayonet to one side of an Adaptall adapter, whose other side had a camera-specific fitting. The connection enabled auto diaphragm and full aperture metering. This system was easier to handle and more solid than the company's earlier Adapt-A-Matic mount. Like other universal fittings, Tamron's Adaptall made it possible for professional and enthusiast photographers with cameras from two or more manufacturers to use their Tamron lenses on different bodies with the help of inexpensive adapters. Also, switching camera brands became much easier and cheaper, since with the Tamron system only the Adaptall-mounts and not the entire bag of lenses had to be replaced. Moreover, the system provided substantial benefits for Tamron's retail partners, who did not have to stock every individual lens in different mounts, but only had to keep one copy of the expensive lens and an assortment of cheap mount adapters in store. On the downside, the mount adapters as individual pieces of solid metal had their own manufacturing tolerances that could potentially lead to a slight de-centering of the lens with adverse effects on imaging performance.

Adaptall mount
The Tamron Adaptall mount

Adaptall Custom adapters were available for virtually all camera mounts of the 1970s and 1980s, including Canon FD, Minolta MD, Konica AR, Contax/Yashica, Olympus OM, Nikon AI, M42, Pentax K, Fujica FT, Topcon RE, Mamiya SX, Rollei, and Praktica. There are two versions of the Adaptall mount. The original adapter, as introduced in 1973, and a slightly modified Adaptall-2, which was marketed from 1979. Both versions have the same physical lens fitting, but only Adaptall-2 mounts transmit the lenses' maximum aperture to the camera. For some mounts, the additional functionality of Adaptall-2 makes no difference, so that Adaptall and Adaptall-2 units can be used interchangeably. However, some complex lens to camera fittings, notably Canon FD, Minolta MD, and Konica AR, require information on the maximum aperture of the lens in order to control the aperture correctly. With the original Adaptall mount, owners of "complex mount" cameras needed to use an adapter specific to the maximum aperture of the lens and, thus, had to buy several adapters if they wanted to use Tamron lenses with differing maximum openings (e.g. f/2.8, f/3.5, f/3.8). For a third group of camera systems, the introduction of Adaptall-2 brought some other benefits. For Contax/Yashica, there was no longer a need to set the maximum aperture, and the latter was also displayed in the viewfinder. For Olympus OM, the new adapter gained a depth-of-field preview lever.

Timeline of Tamron interchangeable mounts

Taiseh Optical (which became Tamron in 1970) entered the market for camera lenses in 1957, when it introduced the T-mount. The latter was named after the first letter of the company's name.

Tamron Mount Chronology
Mount Launch Year
T1957
Adapt-A-Matic1968
Adaptall1973
Adaptall-21979

The T-mount permitted any of the company's lenses to be coupled to virtually every 35mm camera via an adapter. Subsequent universal mounts from Tamron – Adapt-A-Matic, Adaptall, and Adaptall-2 – improved handling convenience and aperture coupling.

Most of the camera mounts for which Adaptall adapters existed are no longer used in the era of digital photography. The exceptions are the Nikon F and Pentax K bayonets. Yet, Adaptall lenses can still be used on newer camera systems through a combination of adapters, for example lens plus Adaptall-M42-mount plus M42 to Sony-E adapter. Moreover, some third party supplier have spotted the opportunity and provide adapters that directly link Tamron Adaptall lenses to digital camera mounts (click herefor the respective offer of Fotodiox on amazon). However, these adapter-combinations or adapters-to-digital-mounts do not offer aperture coupling, so that the lenses have to be operated in stop-down mode.

Adaptall for EOS
A (rare) Adaptall-2 mount for Canon EOS[Uwe K.]

The introduction of the Adaptall-2 mount coincided with a cosmetic update of Tamron's existing lenses, as well as the introduction of its new premium SP-line. These "Super Performance" lenses aimed to provide photographers with imaging quality similar to lenses from original equipment manufacturers, but at reduced costs. Tamron's marketing strategy was, thus, similar to the one pursued by Vivitar with its Series 1 lenses. Indeed, the SP-lenses quickly gained a reputation for consistent above-average performance and cemented Tamron's position as a third party supplier.

Within the SP-line, several lenses featured low dispersion optical elements and carried the corresponding LD acronym in the lens name. These LD-lenses provided particularly good imaging quality and competed against the top-level lenses from Canon, Nikon, Minolta and others in the market for professional photo gear. These optics continue to be highly regarded and command relatively high prices in the used market.

The table below lists the main specifications of all the Adaptall and Adaptall-2 lenses that were released. It should be noted that Tamron specified the measurements of the Adaptall and Adaptall-2 lenses without any mount adapter, so that the lens in the operational state will be a bit longer and heavier. Tamron discontinued the last lenses in its Adaptall-2 manual focus line in 2006, giving way to fixed mount autofocus lenses.

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Headline Specifications of Tamron Adaptall Lenses
  Wide-angle Mount
Type
(Ad1/Ad2)
Production
Period
(years)
Close
Focus
(dist)
Filter
Type
(size)
Lens
Dimensions
(dia x len)
Lens
Weight
(net)
Used
Price
(USD)
Current
Offers
(USD)
1.
 
Tamron SP 17mm f/3.5 (51B)Ad21979-1984 0.25 m n 70 x 43 mm 270 g 100-250 i
2.
 
Tamron SP 17mm f/3.5 (151B)Ad21984-2000 0.25 m 82 71 x 48 mm 267 g 100-250 i
3.
 
Tamron 24mm f/2.5Ad11976-1979 0.20 m 55 65 x 38 mm 220 g 20-80 i
4.
 
Tamron 24mm f/2.5 (01B)Ad21979-1987 0.25 m 55 65 x 38 mm 230 g 30-90 i
5.
 
Tamron 24mm f/2.5 (01BB)Ad21987-2000 0.25 m 55 68 x 43 mm 227 g 30-90 i
6.
 
Tamron SP 24-48mm f/3.5-3.8Ad21980-1987 0.60 m n 65 x 61 mm 346 g 50-150 i
7.
 
Tamron 28mm f/2.5Ad21979-1992 0.25 m 49 65 x 33 mm 180 g 30-60 i
8.
 
Tamron 28mm f/2.8Ad11976-1979 0.25 m 52 65 x 42 mm 240 g 10-40 i
  Standard Mount
Type
(Ad1/Ad2)
Production
Period
(years)
Close
Focus
(dist)
Filter
Type
(size)
Lens
Dimensions
(dia x len)
Lens
Weight
(net)
Used
Price
(USD)
Current
Offers
(USD)
9.
 
Tamron 28-50mm f/3.5-4.5Ad21980-1982 0.25 m 58 65 x 46 mm 297 g 10-40 i
10.
 
Tamron 28-70mm f/3.5-4.5Ad21986-1988 0.30 m 62 69 x 70 mm 361 g 20-50 i
11.
 
Tamron SP 28-80mm f/3.5-4.2Ad21983-1987 0.36 m 67 70 x 82 mm 480 g 20-50 i
12.
 
Tamron SP 28-135mm f/4-4.5Ad21983-1988 0.26 m 67 70 x 106 mm 710 g 30-60 i
13.
 
Tamron 28-200mm f/3.8-5.6 ASPH.Ad21994-1998 2.10 m 72 75 x 79 mm 516 g 50-100 i
14.
 
Tamron 28-200mm f/3.8-5.6 LD IFAd21998-2006 0.80 m 72 75 x 79 mm 502 g 50-100 i
15.
 
Tamron 35-70mm f/3.5Ad21982-1987 0.25 m 58 66 x 51 mm 330 g 20-40 i
16.
 
Tamron 35-70mm f/3.5-4.5Ad21980-1983 0.25 m 58 65 x 57 mm 322 g 20-40 i
17.
 
Tamron 35-80mm f/2.8-3.5Ad11978-1980 1.30 m 62 67 x 81 mm 520 g 20-80 i
18.
 
Tamron SP 35-80mm f/2.8-3.8Ad21979-1985 0.27 m 62 65 x 72 mm 386 g 50-250 i
19.
 
Tamron 35-135mm f/3.5-4.2Ad21982-1985 1.80 m 67 72 x 105 mm 625 g 20-60 i
20.
 
Tamron 35-135mm f/3.5-4.5Ad21985-1996 1.50 m 58 65 x 96 mm 547 g 20-60 i
21.
 
Tamron SP 35-210mm f/3.5-4.2Ad21983-1987 0.30 m 67 73 x 121 mm 875 g 20-80 i
22.
 
Tamron 38-100mm f/3.5 (SZ-38)Ad11973-1976 1.50 m 72 75 x 125 mm 750 g 20-50 i
23.
 
Tamron 38-100mm f/3.5 (CZ-38M)Ad11976-1978 1.50 m 67 71 x 110 mm 725 g 20-50 i
  Tele-photo Mount
Type
(Ad1/Ad2)
Production
Period
(years)
Close
Focus
(dist)
Filter
Type
(size)
Lens
Dimensions
(dia x len)
Lens
Weight
(net)
Used
Price
(USD)
Current
Offers
(USD)
24.
 
Tamron SP 60-300mm f/3.8-5.4Ad21983-2000 1.90 m 62 68 x 162 mm 870 g 20-60 i
25.
 
Tamron SP 70-150mm f/2.8 SOFTAd21979-1983 0.98 m 62 68 x 147 mm 760 g 250-500 i
26.
 
Tamron 70-150mm f/3.5 (CZ-150)Ad11976-1978 1.50 m 52 65 x 117 mm 465 g 10-40 i
27.
 
Tamron 70-150mm f/3.5 (QZ-150m)Ad11978-1980 1.50 m 52 65 x 125 mm 550 g 10-40 i
28.
 
Tamron 70-150mm f/3.5 (02A)Ad21979-1980 1.50 m 52 65 x 125 mm 585 g 20-40 i
29.
 
Tamron 70-150mm f/3.5 (20A)Ad21980-1984 0.70 m 49 65 x 99 mm 459 g 20-40 i
30.
 
Tamron 70-150mm f/3.8Ad11976-1978 1.50 m 52 65 x 117 mm 465 g 20-60 i
31.
 
Tamron SP 70-210mm f/3.5Ad21984-1999 0.85 m 62 71 x 150 mm 860 g 30-90 i
32.
 
Tamron SP 70-210mm f/3.5-4Ad21979-1984 0.75 m 58 65 x 165 mm 750 g 20-80 i
33.
 
Tamron 70-210mm f/3.8-4Ad21986-1988 0.90 m 58 66 x 139 mm 580 g 20-40 i
34.
 
Tamron 70-210mm f/4-5.6 (58A)Ad21988-1991 1.10 m 52 69 x 79 mm 349 g 20-50 i
35.
 
Tamron 70-210mm f/4-5.6 (158A)Ad21991-2005 1.10 m 52 69 x 79 mm 340 g 20-80 i
36.
 
Tamron 70-220mm f/3.8Ad11973-1976 2.50 m 62 71 x 180 mm 1,050 g 10-40 i
37.
 
Tamron 70-350mm f/4.5Ad11976-1979 2.50 m 82 90 x 274 mm 1,820 g 40-150 i
38.
 
Tamron 70-350mm f/4.5Ad21979-1984 2.50 m 82 90 x 274 mm 2,170 g 50-200 i
39.
 
Tamron 75-250mm f/3.8-4.5 (04A)Ad21979-1982 1.20 m 62 72 x 179 mm 870 g 20-40 i
40.
 
Tamron 75-250mm f/3.8-4.5 (104A)Ad21981-1984 1.20 m 62 71 x 172 mm 856 g 20-40 i
41.
 
Tamron SP 80-200mm f/2.8Ad21985-1992 1.50 m 77 82 x 174 mm 1,359 g 200-600 i
42.
 
Tamron 80-210mm f/3.8-4 (03A)Ad21979-1982 0.90 m 58 65 x 147 mm 610 g 20-80 i
43.
 
Tamron 80-210mm f/3.8-4 (103A)Ad21981-1987 0.90 m 58 65 x 138 mm 634 g 20-80 i
44.
 
Tamron 80-250mm f/3.8Ad11973-1976 2.00 m 72 79 x 201 mm 1,280 g 20-50 i
45.
 
Tamron 80-250mm f/3.8-4.5 (CZ-825)Ad11976-1978 1.50 m 62 71 x 180 mm 950 g 20-50 i
46.
 
Tamron 80-250mm f/3.8-4.5 (QZ-250M)Ad11978-1980 1.50 m 62 71 x 180 mm 880 g 20-50 i
47.
 
Tamron 85-210mm f/4.5 (Z-210)Ad11973-1976 1.50 m 55 65 x 151 mm 670 g 10-40 i
48.
 
Tamron 85-210mm f/4.5 (CZ-210M)Ad11976-1978 2.00 m 55 65 x 145 mm 640 g 10-40 i
49.
 
Tamron 85-210mm f/4.5 (QZ-210M)Ad11978-1980 2.00 m 55 65 x 145 mm 640 g 10-40 i
50.
 
Tamron SP 90mm f/2.5 Macro (52B)Ad21979-1988 0.39 m 49 65 x 66 mm 420 g 50-200 i
51.
 
Tamron SP 90mm f/2.5 Macro (52BB)Ad21988-1996 0.39 m 55 65 x 66 mm 420 g 50-200 i
52.
 
Tamron SP 90mm f/2.8 MacroAd21996-2006 0.29 m 55 68 x 102 mm 426 g 50-200 i
53.
 
Tamron 105mm f/2.5Ad11976-1979 1.30 m 52 65 x 52 mm 275 g 50-100 i
54.
 
Tamron 135mm f/2.5Ad21979-1984 1.20 m 58 65 x 80 mm 410 g 20-80 i
55.
 
Tamron 135mm f/2.8Ad11976-1979 1.50 m 55 65 x 77 mm 375 g 30-80 i
56.
 
Tamron SP 180mm f/2.5 LD-IFAd21988-1992 1.20 m 77 82 x 120 mm 800 g 300-500 i
57.
 
Tamron 200mm f/3.5Ad11976-1979 2.50 m 62 69 x 115 mm 520 g 40-90 i
58.
 
Tamron 200mm f/3.5Ad21979-1984 1.70 m 58 68 x 108 mm 540 g 40-80 i
59.
 
Tamron SP 200-500mm f/5.6Ad21984-1992 2.50 m 95 105 x 361 mm 2,724 g 250-500 i
60.
 
Tamron 200-500mm f/6.9 (Z-500)Ad11974-1976 3.00 m 82 90 x 370 mm 2,740 g 40-150 i
61.
 
Tamron 200-500mm f/6.9 (CZ-500)Ad11976-1979 3.00 m 82 90 x 370 mm 2,796 g 40-150 i
62.
 
Tamron 200-500mm f/6.9Ad21979-1984 3.00 m 82 90 x 370 mm 2,770 g 50-200 i
63.
 
Tamron SP 300mm f/2.8 LDAd21983-1984 3.00 m 112 118 x 199 mm 2,071 g 500-1,000 i
64.
 
Tamron SP 300mm f/2.8 LD-IF (60B)Ad21984-1992 2.50 m 112 118 x 211 mm 2,096 g 500-1,000 i
65.
 
Tamron SP 300mm f/2.8 LD-IF (360B)Ad21993-2006 2.50 m 112 118 x 208 mm 2,269 g 500-1,000 i
66.
 
Tamron 300mm f/5.6Ad11976-1979 2.50 m 58 67 x 161 mm 580 g 20-80 i
67.
 
Tamron SP 300mm f/5.6Ad21979-1984 1.40 m 58 65 x 164 mm 610 g 20-80 i
68.
 
Tamron SP 350mm f/5.6Ad21981-1985 1.10 m 82 86 x 75 mm 577 g 250-500 i
69.
 
Tamron SP 400mm f/4 LD-IFAd21988-1995 3.00 m 112 118 x 293 mm 2,270 g 400-800 i
70.
 
Tamron SP 500mm f/8 (55B)Ad21979-1983 1.70 m 82 84 x 87 mm 575 g 50-200 i
71.
 
Tamron SP 500mm f/8 (55BB)Ad21983-2006 1.70 m 82 84 x 87 mm 595 g 50-200 i

Acknowledgement: Special thanks to Joseph A. and Chris E. for transmitting information on several of the Adaptall lenses listed above.

Tamron Adaptall FAQ

In order to mount or unmount an Adaptall Custom fitting, it is necessary to open the lens to maximum aperture. Then, during mounting, one aligns the green dots, puts the extending tabs into corresponding slots on the aperture ring, and turns the adapter clockwise. To unlock, one presses the silver release lever, holds the lens firmly, and turns the adapter counterclockwise. – Below is some further information on some additional aspects of the lens system.

Is the Tamron Adapt-A-Matic mount identical to the Adaptall mount?

No, Adapt-A-Matic mounts are not the same as Adaptall. Adapt-A-Matic is a threaded, interchangeable mount system that Tamron developed in 1968, and that was replaced by the Adaptall bayonet system. The Adapt-A-Matic mount attaches to the lens with a lock ring with internal 58mm threads.

What advantages did the Adaptall mount offer over the previous Adapt-A-Matic?

While the earlier Adapt-A-Matic lens mount also offered automatic diaphragm operation, it was more cumbersome to operate and diaphragm coupling not always reliable. The photographer had to mate a longish coupling pin with an internal lens auto-diaphragm rod. Also, the lens mount adapter itself consisted of two pieces which had to be attached carefully in order for the system to work properly.

Can I use an Adaptall-2 mount to attach a mid-1970s Adaptall ("without-2") lens to my camera?

Yes, Adaptall-2 mount adapters are backward compatible and will fit Adaptall lenses also. Indeed, the newer version is considered to be more solid and reliable.

What is the flange-focal distance for Adaptall and Adaptall-2 lenses?

The flange-focal distance for all of Tamron's interchangeable bayonet mount lenses (including Adapt-A-Matic) is 50.7mm.

Can Tamron Adaptall lenses be used on Canon EOS cameras?

Canon radically changed its lens attachment system in the mid-1980s when switching from the FD to the EF/EOS mount. Original Adaptall customs mounts are available both for the FD mount and for the EF/EOS mount, although the latter are very rare. Alternatively, there are adapters to use Nikon or Olympus lenses, which have a relatively long flange to focal distance, on EOS cameras. Hence, an Adaptall lens in combination with the Nikon or Olymus custom mount and a Nikon/EOS or Olympus/EOS adapter could be attached to an EOS camera. In any case, there is no aperture coupling and the Tamron lens will have to be used via stop-down metering.

Do Adaptall lenses fit Nikon digital cameras?

Nikon provides good backward compatibility, so that legacy Adaptall lenses in Nikon custom mount can often be used on modern cameras. However, some limitations apply. In particular, legacy F-mount lenses can be mounted on all cameras, but only the higher end Nikon bodies will meter with them (with other Nikon bodies, the lenses have to be used in stop-down mode). See the FAQ section of the Nikon lens compendium or this dpreview article for information on particular camera-lens combinations.

Is it possible to use Adaptall 2 lenses on Sony E-mount cameras?

Yes, while the E-mount is new and Tamron never produced an Adaptall custom mount for it, third party vendors, such as Fotodiox, provide these adapters for mirrorless camera systems. There is no aperture coupling or autofocus, though.

Did Tamron release an Adaptall mount for Leica's R-system?

Yes, there are indeed two Adaptall custom mounts for Leica R. One that could be used with the Leicaflex SL/SL2 and one that fitted the Leica R4, R4s, R5, R-E, R6, R6.2, R7, R8 and R9. The mounts provided automatic diaphragm and full aperture metering. All exposure modes of the listed cameras were supported, except for the R8/R9 where only the "m" and "A" modes worked properly.

Are there any notable differences between Adaptall Customs mounts for different camera systems?

Yes, there are some differences in design and operation. Tamron included a notice with its custom mounts that explained a number of limitations and particularities. Matt Denton has put a nice summary of these notices together at mattsclassiccameras.com.

Are there any special edition lenses in the Adaptall line?

Yes, the Tamron Adaptall-2 180mm f/2.5 LD (IF) was released to commemorate the company's 35th anniversary and carried a corresponding plate on the lens barrel.

What does the acronym BBAR stand for?

BBAR is an abbreviation for Broad Band Anti Reflection, the multi-coating Tamron used on its lenses.

Which is the best Tamron Adaptall 2 lens?

The SP "Super Performance" line of Adaptall-2 lenses offers very good imaging performance and the LD lenses within this series satisfy professional requirements. However, other lenses in the lineup might provide an even better benefit-cost ratio, so that the answer to the question which Adaptall lens is best depends very much on ones imaging needs and financial budget.

Acknowledgement: Special thanks to Uwe K. for transmitting information on the Adaptall-2 Custom Mount for Canon EOS cameras.

Further Reading

A collection of test reports on different Adaptall lenses is available at adaptall-2.com. Moreover, if you are looking for bargains among third party legacy lenses, you might also want to check out the compendiums of Soligor and Vivitar lenses. If however you are willing to spend a little more, you might well be interested in the Leica R-lens catalog or the CONTAX Carl Zeiss catalog, which contain some truly exceptional optics that can be adapted to and used with a variety of camera mounts.

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