Nikon Teleconverter Ai TC-200 and TC-300
TC-200 and TC-300 was actually a revised Teleconverters with an Ai coupling system from earlier TC-1 and TC-2. Both devices have incorporated automatic diaphragm for the Ai system on all the revised Nikkor lenses that carried with the AI-lens specifications in 1977. A significant visual difference from earlier models was the red coloured conversion scales have been omitted The metal tab for lens release were replaced with a black coloured metal tab. The TC-300 has similar dimension with TC-2 but the long protruding extension tube has a rubberized covering. Both Teleconverters have excellent mechanical structures and multicoated lens elements which were also remained unchanged in their optical compositions. Both the Teleconverters were being updated with an Ai-S lens coupling system in 1983 to cater for some selective Nikon SLR camera models that provides multi-programmed AE and Shutter Priority AE exposure control, they were being redesignated as TC-201 and TC-301 respectively. Since both of the latter devices have Ai-S features and made them compatible to take advantage of some of the automatic exposure system employs in the Nikon AF SLRs, however, many of the AF Nikkor lenses can only be used for manual focus operation. In the mean time, a a year later in 1978 after the debut of the 2X Teleconverter TC-200 and TC-300, Nikon unveiled a surprising new teleconverter in the Ai-Spec TC-14 which offers 1.4X in focal length magnification and only a f-stop increase in exposure compensation.
Credit: Images of the Nikkor TC-200 courtesy of Mr. Steve Balalos® <firstname.lastname@example.org>; Brandon Wittnebel <BrandonW@natcam.com> for his images on the Nikkor TC-300 2X Teleconverter copyright © 2003.
Using a smaller image format size of the Digital Still SLR camera such as the Nikon D70, the 2X TC200 with an old AI MF Nikkor 300mm f/2.8 can "intepret" the 300mm focal length into a 900mm super-telephoto.
| Explosive View |
Credit: Image courtesy of Mr. Gr. Peter de Boer® from Groningen, Netherlands. Also check Peter's on-line portfolio con similar usage. The lense was used along with a Nikon D70 Digital Still SLR camera. Image copyright © 2005. All rights reserved. Please respect the visual property of the contributing photographer.
Nikon 2X Ai-Spec Teleconverter TC-200
Technical Highlights: Doubles the focal length of Nikkor lenses up to 200 mm. It is compact and easy to use. Just simply attaches between an appropriate Nikkor lens and a Nikon camera body to double the focal length of virtually all Nikkor lenses up to 200mm, plus the Reflex-Nikkor 500mm f/8.0 that has the revised design and smaller aperture at f/8.0 which replaced the earlier Reflex-Nikkor 500mm f/5.0. The TC-200 was an extremely well made Extender, famed to provides pictures that are amazingly sharp with virtually minimal loss of image quality. Partly due to the Nikon Integrated Coating on air-to-glass surfaces on the lens elements which has contributed to its overall superb contrast and faithful color rendition. It incorporates an automatic diaphragm control within and full aperture metering is possible with all Nikon AI-type SLR cameras. When used with Non-Ai Nikon SLR camera bodies, exposure measurement can also be achieved via stopped-down metering.
Specifications of Nikon 2X Teleconverter TC-200
Usable lenses: Virtually all lenses up to 200mm, plus the RefIex-Nikkor 500mm f/8
Lens construction: 7 elements in 5 groups
Focal length: Double that of the lens in use
Aperture coupling range: f/2-f/32
Effective aperture: f/4~f/64
Credit: Images of the Nikkor TC-200 courtesy of Mr. Steve Balalos® <email@example.com>
Diaphragm: Automatic Metering: Full-aperture exposure measurement with Ai type Nikkor lenses; Depth of field: Half that of the lens in use
Closest focusing Distance: Same as that of the lens in use, remains unaffected
Dimensions: 64.5mm dia. x 52.5mm long (overall); 44mm extension from lens flange; Weight: 230g
Lens case: CL-30S hard leatherette, No. 61 soft pouch, or CP-8 plastic Note: 1. This teleconverter can only be used in conjunction with lenses having Al features. 2. When used with non-Ai camera bodies, exposures should be measured by the stop-down method. 3. Serial number for the TC-200 may have been started from 176051.
Download an Image of the Optical Construction in Gif (38k) file in a new browser window
Nikon 2X Ai-Spec Teleconverter TC-300
Technical Highlights: Similarly, despite it has a different designation as TC-300, the 2X Nikon Teleconverter also provides similar function which doubles the focal length of Nikkor lenses, but it was supposedly serving specifically for Nikkor lenses which has focal length of 300mm and longer. However, other than that, it also serves another function in close-up photography where it provides continuous focusing from infinity to 1:1 life-size when used with the Micro-Nikkor 200mm f/4 IF lens. It has built itself a hallmark as it provides superb image quality at virtually different aperture settings.
Nikon Integrated Coating was treated which has resulted in its overall outstanding contrast and color rendition. Automatic diaphragm and full-aperture metering is possible with all Ai Nikon SLR camera bodies. Similarly, when you intend to use the Extender with any non-Ai Nikon SLR bodies, exposure measurement can also be achieved via stopped-down metering method.
Specifications of Nikon 2X Teleconverter TC-300
Usable lenses: Lenses of 300mm and longer, plus the Micro-Nikkor 200mm f/4 IF
Lens construction: 5 elements in 5 groups
Focal length: Double that of the lens in use; Aperture coupling range: f/2.8 ~ f/32
Effective aperture: f/5.6 ~ f/64; Diaphragm: Automatic
Metering: Full-aperture exposure measurement with Ai type Nikkor lenses
Depth of field: Half that of the lens in use
Closest focusing distance: Same as that of the lens in use, remains unaffected
Dimensions: 64.5mm dia. x 115mm long (overall); 83mm extension from lens flange; Weight: 300g
Lens case: CL-33S hard leatherette, No. 62 soft pouch or CP-9 plastic; Note: 1. This teleconverter can only be used in conjunction with lenses having Al features. 2. When used with non-Ai camera bodies, exposures should be measured by the stop-down method. 3. Serial number for the TC-300 may have been started from 176041.
Download an Image of the Optical Construction in Gif (84k) file in a new browser window
Important Note: when BOTH of these TC-converters are used with any Nikon SLRs that offer auto exposure modes other than Aperture Priority AE and/or Manual control, it will NOT work efficiently. Use the Ai-S versions (TC-201s or TC-301s) instead. * Sometimes, certain combinations of various lenses, teleconverter(s) and focusing screen(s) used on respective Nikon SLRs may require additional exposure compensation, where applicable. The leaflet that comes along with the hardware may outlined the requirements. ** When used with certain lenses, there may be occasional uneven exposure if aperture is set smaller than f/11 or beyond and/or in some cases, may cause vignetting of image.
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Tele-Converters: TC-1 | TC-2 | TC-200 | TC-201 | TC-300 | TC-301 | TC-14 | TC-14A | TC-14B | TC-14C | TC-14E | TC-16 | TC-16A | TC-20E
Recommended links to understand more technical details related to the Nikkor F-mount and production Serial Number:
http://rick_oleson.tripod.com/index-153.html by: my friend, Rick Oleson
http://www.zi.ku.dk/personal/lhhansen/photo/fmount.htm by: Hansen, Lars Holst
Recommended Reading Reference on Nikon cameras and Nikkor lenses | about this photographic web site
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Co-developed with my web buddy, Rick Oleson® & Denmark, Creator of the Nikon Repair Group Mailing-List; A contributing effort to Michael Liu's Classic Nikon SLRs and Nikkor optic site.
Credit: MCLau®, who has helped to rewrite some of the content appeared this site. Chuck Hester® who has been helping me all along with the development of all these Nikon websites; Lars Holst Hansen, 'Hawkeye' who shares the same passion I have; Ms Rissa, Sales manager from Nikon Corporation Malaysia for granting permission to use some of the official content; Ted Wengelaar, Holland who has helped to provide many useful input relating to older Nikkor lenses; Some of the references on production serial numbers used in this site were extracted from Roland Vink's website; Hiura Shinsaku from Nikomat Club Japan. Lastly, to all the good people who has contributed their own expeience, resources or kind enough granted permission to use their images of their respective optic in this site. It is also a site to remember a long lost friend on the Net. Note:certain content and images appeared in this site were either scanned from official marketing leaflets & brochures published by Nikon and/or contribution from surfers who claimed originality of their work for educational purposes. The creator of the site will not be responsible for may discrepancies arise from such dispute except rectifying them after verification. "Nikon", "Nikkormat", "Nippon Kokagu KK" & "Nikkor" are registered tradename of Nikon Corporation Inc., Japan. Site made with an Apple IMac.