Information on Micro-Nikkor 105mm f/2.8s Lens

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Micro-Nikkor 105mm f/2.8s

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Introduced in April, 1984. This Micro-Nikkor lens replaced the decade-old earlier Nikkor classic Micro-Nikkor 105mmf/4.0s. It has a full stop faster in its maximum aperture and thus bringing it close to be a all round telephoto-Macro lens. It was debuted as a Ai-S native Nikkor and its immediate benefit is enabling many MF.AF Nikon SLRs be able to use in multi-exposure modes such as Programmed AE and Shutter Priority AE as long as the aperture is stopped down to its minimum aperture at f/32.

Credit: Image of this Micro-Nikkor 105mm f/2.8s lense courtesy of Mr. "Eric C. Durham" <> Copyright 2002. All rights reserved

Further, the faster maximum lens speed also provides a brighter viewfinder image where often users complain the previous slower version has caused darkening of the split-image rangefinder in a standard K-type focusing screen in particular when working with a close-up attachment units or with PN-11 at its closest focusing distance. The lens can be focused down to a minimum distance at 0.47m (1.55ft.) to reach for a reproduction ratio of 1:2 half-life-size magnification. Similar to the slower f/4.0 counterpart, it uses a same PN-11 Auto Extension Ring to enable to almost * 1.0X magnification, that is at a minimum focusing distance at from 0.41sm (1.4ft.).

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Other than a faster maximum lens speed, the lens does has some lovely touch in its design. At the side f the lens, there is a chrome ring that allows you to lock any preset focusing distance. The lens has a very detail (and colourful) illustrations of various information relating to distance info in feet and meters, reproduction ratio in relation with the lens used in singular and when PN-11 is used in combination engravings on the lens barrel. The rubberized textured focusing grips in rectangular patterns has been extended to six-in-rows from five-in-row used in previous version for a more positive grip and handling during focusing.

: Image of this Micro-Nikkor 105mm f/2.8s lense courtesy of Mr. "Eric C. Durham" <> Copyright 2002. All rights reserved

Optically, the lens has revised internally with a more complex 10 elements in 9 groups design to enable it to have a full f-stop increased in its light gathering power as compared to the previous f/4.0 lens. The lens has slightly above average image contrast across its entire aperture range. But resolution is top rated except the two closest maximum apertures, once stopping down to f/5.6 onwards, this lens performs exceptional image quality. Given a faster f/2.8 largest lens aperture, this lens is a top rated all rounder medium telephoto optic which is beyond any normal telephoto lens at medium range focal length can offer as it can extend its working distance all the way down to half life size magnification. This factor alone has made this lens sold incredibly well over the years.

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A slight flaw in its design is, unlike other micro-nikkor which has deeply recess front lens element, this lens needs good shield in certain backlit shooting condition but the lens has not been designed with a built-in lens hood as with the earlier slower speed f/4.0 lens version. Instead, Nikon has supplied a standard accessory hood HS-14 to counter such potential problem. The metal lens hood can be reversed stored when the lens is not in used but it is tedious to keep track or carry around with. (similar to the pre-Ai-S Nikkor 105mm f/2.5, in fact - the hood can be shared between these two generation apart lenses). Despite with the speed gain from f/4.0 to f/2.8, this lens still retains an filter attachment size of 52mm which helps a lot in saving for lens accessories. Overall, the lens retains similar Nikkor tradition in its physical built and optical quality to easily qualify it as a top class, versatile Nikkor optic.

Credit: This beautiful image of this Micro-Nikkor 105mm f/2.8s lense courtesy of Mr. "Eric C. Durham" <> Copyright 2002. All rights reserved

As Nikkor was rather slow in reacting with an autofocus lens of same nature, this manual focus lens has actually remained as te sole Macro-offering in Nikon Product Catalogue at this specific focal length of 105mm until the Company eventually introduced an AF Micro-Nikkor 105mm f/2.8s which finally provides a true 1:1 life size reproduction without any physical aid in accessory 6 years later in year 1990. * 1:0.88 to be exact.

Technical Highlights: An all round telephoto lens for normal shooting as well as close-ups

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* Telephoto picture coverage of 23° 20'. * Focuses continuously from infinity down to 1/2 life-size and with the PN-11 auto extension ring, from 1/2 to almost life-size (1:0.88). * Provides extra working distance for shooting elusive subjects and/or ones requiring supplementary illumination. * Very high sharpness and flatness of field due to its optical design, plus Nikon Integrated Coating. * Stops down to f/32 for additional depth of field. * External metal lens hood that can be reversibly store to minimizes flare when shooting against the light. * A clamp on the focusing ring keeps it securely in place once tightened. * Takes popular 52 mm filters. * Ideal for close-ups and macrophotography, candids, head-and-shoulder portraits, details in landscapes or architecture, travel photography, etc.

: Image of this Micro-Nikkor 105mm f/2.8s lense courtesy of Mr. "Eric C. Durham" <> Copyright 2002. All rights reserved

Technical Specifications of the Ai-S Micro-Nikkor 105mm f/2.8s lens:

Focal length/Aperture: 105mm f/2.8
Lens construction: 10 elements in 9 groups
Lens Coupling: Ai-S lens coupling system with secondary ADR scales
Picture angle: 23 ° 20'; Diaphragm: Automatic
Aperture scale: f/2.8 - f/32 on both standard and aperture-direct-readout scales

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Exposure measurement: Via full aperture method with AI cameras; via stop-down method with non-Ai cameras.
Distance scale: Graduated in meters and feet from 0.41m (1.30ft.) to infinity (
OO); With PN-11 ring: from 0.37m
Reproduction ratios: Scales provided: 1:10 to 1:2 for lens only; 1:2 to 1:0.88 for lens with PN-11

Copyright ©-free Images collection. 2001, leofoo . Malaysian Internet Resources

Weight: 515g; Dimensions: Dimensions 66.5mm dia. x 83.5mm long (overall); 91.5mm extension from lens flange
Filters: 52mm front screw-in; Front lens cap: Snap-On
Lens hood: Supplied with a dedicated metal HS-14 lens hood, reversed store on lens when not in use.

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Usable auto extension ring: Usable auto extension ring PK-11, 12, 13 for various magnification ratio and a dedicated PN-11 for almost life size reproduction ratio at 1:0.88.

Lens case: Lens only: CL-33S hard leatherette or CP-9 plastic With PN-11: CL-35A hard leatherette or No. 63 soft pouch
Usable teleconverter: TC-200
*, TC-201, TC-16A*, TC-14A; * Only usable with selective AF bodies such as F-801, F-501 etc. to convert manual lenses into a lens with AF function on those bodies. Focal length of the lens in used will also magnify 1.6 times from original. At aperture of f11 or smaller at high shutter speed, occasional uneven exposure may arise. Note: Serial Number for this Ai-S Micro-Nikkor lens version may have been started from 182061

| Previous | the Ai-S version of the Micro-Nikkor 105mm f/4.0s

AF-D Micro-Nikkor 105mm f/2.8 | Micro-Nikkor 105mm f/2.8s | Micro-Nikkor 105mm f/4.0s | Micro-Nikkor 105mm f/4.0 | Non-Ai Micro-Nikkor 105mm f/4.0 | Relative: Bellows-Nikkor 105mm f/4.0; Nikkor 105mm f/4.5 UV, Nikkor Prime 105mm Telephoto lenses

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Others: Noct Nikkor | OP-Nikkor | UV Nikkor 55mm 105mm | Focusing Units | Bellows-Nikkor 105mm 135mm
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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: by: my friend, Rick Oleson by: Hansen, Lars Holst

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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.