Additional Information on
180mm f2.8 Nikkor-P Auto

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Non-Ai 180mm f/2.8 Nikkor-P Auto

No one knows why there was an 'odd' focal length of 180mm. Perhaps only explanation is when you add another 50mm on to a popular focal length of 135mm telephoto lens that makes it around 180mm. Some explained the angle of view has more to do with the 180mm than stepping up from shorter focal length. Anyway, if you think that this info matters a lot to you, try asking someone else then because I really cannot provide a logical explanation (perhaps, ask
German Companies such as Zeiss, Leitz etc. where the famed German optical powerhouse first had their lenses fixed at 180mm). Whatever it is, the first 180mm lens Nikon produced was actually a Nikkor-H 18cm f/2.5 tele-lense designed for their rangefinder cameras - but since the lens can also be used on early Nikon F reflex body via a N-F adapter, the old fast speed RF telephoto lens was indeed quite popular during that time as during the infancy stage of the Nikon 35mm reflex system lacked a high speed medium telephoto lens. The demand for such kind of lenses perhaps has prompted Nikon to develop a dedicated reflex telephoto lens and perhaps this was how the famed Nikon 180mm f/2.8 was originated.

NOTE:- Refer to the Rangefinder Nikkor lenses section for more info

Credit: ALL Images of the RF Nikkor-H 18cm f/2.5 with N/F tube (see an enlarged view) displayed in this site courtesy of Simon Pulman-Jones" <>copyright © 2003.

Michael Liu reported the Nikkor-H 180mm f/2.5 Preset lens was being introduced in 1956. It carried with the following specifications:
6 elements in 4 groups; 13 3/4 degrees angle of view; focusses to 2.1m; 82mm accessory size (Series IX in hood)
Note: requires N->F adapter tube (BR-1?) (61.5mm dia. by 62.3mm length, adds 58.5mm of extension)
1,650g Lens Hood $17.60 list (1967); $425 list (1965); $425 list (1967); BR-1 $9.50 list (1967)


The lens speed at f/2.8 was fastest
* among all available Nikkor telephoto lenses at the time of its introduction. Many believed Nikon has put a great deal of effort in designing a comparable lens to take on the German optic at equivalent focal length. That may well explained why this lens was so good in sharpness and well tamed any possible coma and spherical aberration.

The lens also has a built-in telescopic lens hood which can be pull outward and locked it in place. It accepts various attachments in 72mm dia. size and it appeared with a diamond patterned focusing grip.

Credit: Image courtesy of Laura Kornylak ® <> from shutterblade*com where the Company has a website on its own. Image copyright © 2003. All rights reserved. Please respect the visual property of the contributing photographer.

Anyway, as far as this non-Ai f/2.8 lens is concerned, I have seen many of the older series of lenses being modified as Ai-Spec Nikkor, so chances can be high even if some used lenses that stated it was an Ai but well could be a Ai converted telephoto, so be alert and ensure you get exactly what you are looking for. Well, unless you are looking for a specific lens for your non-Ai Nikon camera, a little extra premium in investment into an Ai-Spec Nikkor 180mm f/2.8 should be more rewarding in a better lens/camera compatibility . However, as all these old versions of non-Ai lenses may still be used with quite a selection of Nikon SLR bodies (Nikon F, F2, F3, F4, Nikkormat, Nikon FM and FE) in stopped down metering, and usually these older series sell cheaper than comparing newer series, so it may present a better value for some of you who are specifically looking for such kind of lenses in particular used for your Non-Ai Nikon camera model. Whatever it is, this very well made lens is still a very good telephoto lens to own and use

180mmNON-AI.jpg Lockable Hood.jpg Lens Mount.jpg

Credit: Three beautiful illustrations appeared at this site courtesy of

(41k) PDF File

Focal length: 180mm
Maximum aperture: 1:2.8
Lens construction: 5 elements in 4 groups

180mm Nikkor by Rick & Tonia.jpg
Picture angle: 13° 40'
Distance scale: Graduated both in meters and feet up to 1.8m and 6ft
Aperture scale: f/2.8 - f/32
Aperture diaphragm: Fully automatic
Meter coupling prong: Integrated (fully open exposure metering)

The aperture ring of this 180mm Nikkor-P f/2.8 Auto clearly suggests this was the next upgrade of the original 180mm Nikkor telephoto lens. Please compare the grip pattern of the focusing ring on the Ai-Nikkor
featured earlier.

Credit: Rick & Tonia Hunt <> for granting permission to use the image of the Nikkor 180mm f/2.8 Auto appeared in this site;

Lens Hood: Built-in telescopic type
: 72mm screw-in
Dimension: 81mm dia. x 141 mm length (3-3/16 in. X 5-9/16 in.)
Weight: 830g (29.3 oz)

Attachment size: 72mm (P=0.75)

Credit: Image courtesy of Laura Kornylak ® <> from shutterblade*com where the Company has a website on its own. Image copyright © 2003. All rights reserved. Please respect the visual property of the contributing photographer.

Accessories: 72mm screw-in front cap (108 - 02 - 400), rear cap type F (108 - 00 - 401), leather case CL-12 (108 - 02 - 314); Lens Cases: CL-35A, No.56
Note: Although it may be applied since this lens has long been discontinued, Nikon product Code No. for this lens: 108-02-108
* When used at apertures smaller than f/11 with fast shutter speeds, there is occasional uneven exposure.

NOTE: Serial Numbers for the NON-Ai 180mm f/2.8 telephoto lens was believed to have been started with 312011




200mm F2.0 EDIF

Nikkor 180mm f/2.8 ED
Nikkor 180mm f/2.8
180mm f/2.8 Auto

Nikkor 200mm f/3.5 ED IF

Nikkor 200mm f/4.0s
Nikkor 200mm f/4.0
Pre AI -
Nikkor 200mm f/4.0
200mm f/4.0 Auto

Nikkor 200mm f/2.0s ED IF

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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.