Micro-Nikkor

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AF-S DX Micro-Nikkor 85mm
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f/3.5G ED VR lens 2023 Obiektyw AF-S DX Micro NIKKOR 85mm f 3.5G ED VR.jpg
AF-S DX Micro-Nikkor 85mm f/3.5G ED VR lens

Micro-Nikkor is a family of macro lenses produced by Nikon for their 35mm film and digital cameras. The first Micro-Nikkor lens was the 5cm f/3.5 lens introduced in 1956 for Nikon's S-mount rangefinder cameras. It was designed to produce microforms of texts written in Japanese using the Kanji alphabet, a task that, according to Nikon's corporate history, western microphotography systems were ill-equipped to handle, as Kanji text contains many more small details compared to Latin texts. The 5cm f/3.5 was later modified to have a slightly higher focal length of 55mm to accommodate the longer flange-focal distance of Nikon's SLR F-mount. [1]

Contents

Longer focal-length Micro-Nikkors were released later, with the 105mm f/4 first appearing in 1970 and the 200mm f/4 being released in 1978. The Micro-Nikkor family of lenses went through a large number of revisions over the decades, the most recent models are designed for the Nikon Z-mount.

A common feature of Micro-Nikkor lenses is that they reach at least 1:2 (half life size) magnification without the need for extension rings. Micro-Nikkor lenses frequently employ compensating diaphragms, which keep the effective aperture constant, even when magnification is changed.

50-60mm Micro-Nikkor

Comparison of 50-60mm Micro-Nikkor lenses [2] [1] [3] [4]
5cm f/3.5 [5] [6] 5.5cm f/3.555mm f/3.555mm f/3.5 P55mm f/2.8 Ai‑S55mm f/2.8 AF60mm f/2.8 AF60mm f/2.8 AF‑SZ MC 50/2.8
Mount S and LTM FFFF F (AF) F (AF) F (AF‑D) F (AF‑S) Z
Introduced1956196119631969197919861989199320082021
Focus methodExternalInternalExternal
Focus motorCamera motorUltrasonicStepper
Close range correction (CRC) [i] NoYes
Angle of view (diagonal)43°–28° [7] 39°–20° [8] 41°–28° [9] 47°–?
Magnification
(without macro rings)
Short mount [ii] 1:11:21:21:1
Working distance [iii] -11cm11cm11cm7cm5cm6cm
AperturePresetAuto
Compensating diaphragm [iv] NoNoYesNoNoYes
Diaphragm blades7767779 rounded9 rounded
Aperture at magnification [v] -f/744 [10] f/5.348 [10] f/445 [7] f/5.364f/557f/4.857f/5.632
Aperture at infinityf/3.522f/3.522f/3.532f/2.832f/2.832f/2.832f/2.832f/2.822
Elements/groups5/45/45/46/58/712/910/7
Filter size?52mm62mm46mm
Diameter?65mm66mm66mm64mm74mm70mm73mm75mm
Length?53mm56mm55mm62mm74mm75mm89mm66mm
Weight?325g240g240g290g420g450g425g260g

105mm Micro-Nikkor

The 105mm Micro-Nikkor series started in 1970 and the newest lens is the Z MC 105/2.8 VR S for Z-mount. The 105mm f/4.5 UV lens, which is called both a Micro-Nikkor and a UV-Nikkor in the literature, is a highly specialized lens for ultraviolet photography made using quartz and phosphate glass instead of regular optical glass. This permits light transmission from roughly 200nm to over 900nm (normal optical glass blocks most UV light). It is specifically corrected for a low amount of focus shift between visible light and UV light, therefore permits focusing for UV using visible light. It had a second production run in 2006 at Tochigi Nikon.

Comparison of 105mm Micro-Nikkor lenses [11]
105mm f/4 P105mm f/4105mm f/4.5
UV
105mm f/2.8 Ai‑S105mm f/2.8 AF 105mm f/2.8
AF‑S VR G
Z MC 105/2.8
VR S
MountFFFFF (AF)F (AF‑D)F (AF‑S)Z
Introduced197019751985, 200619831990199320062021
Focus methodBellowsExternalInternal
Focus motorCamera motorUltrasonicStepper
Close range correction (CRC) [i] NoYes
Angle of view (diagonal)-23°–15° [12] 25°–14° [13] 24°–7.3° [14] 24°–9° [15]
Magnification
(without macro rings)
Short mount1:21:1
Working distance [iii] -28cm [16] 27cm [17] 24cm [16] 13.3cm [18] 15.4cm [19] 13.4cm [20]
AperturePresetAuto
Compensating diaphragm [iv] NoYes
Diaphragm blades1277779 rounded9 rounded
Aperture at magnification [v] -f/648 [10] f/648 [10] f/445 [21] f/557 [18] f/4.857 [19] f/4.551 [20]
Aperture at infinityf/432f/432f/432f/2.832f/2.832 [18] f/2.832 [19] f/2.832 [20]
Elements/groups5/36/6 (quartz)10/99/814/1216/11
Filter size52mm62mm62mm
Diameter64mm75mm69mm67mm75mm83mm85mm
Length44mm96mm108mm84mm105mm116mm140mm
Weight230g500g515g515g560g750g630g

200mm Micro-Nikkor

The 200mm Micro-Nikkor was introduced late in the manual focus cycle of the F-mount and was replaced in 1993 with a completely redesigned autofocus lens. The 200mm f/4 AF-D however relies on a mechanical autofocus linkage to the AF motor in the camera, which makes it slow and noisy, as well as unable to autofocus on low-end DSLRs and Nikon mirroless cameras using the FTZ adapter. Unlike the 50-60mm and 105mm Micro-Nikkor, the 200mm Micro-Nikkor was never updated to AF-S. Instead, it was discontinued in the early 2020s, with no replacement announced. [22]

The apparent discontinuation of the 200mm line is likely due to relatively poor sales numbers, as the 200mm AF-D only sold approx. 30'000 units in its 30 year cycle, while the 105mm AF lenses sold well over 300'000 units in a much shorter time span, and the 105mm AF-S lens sold over 750'000 units. [23] [ speculation? ]

Comparison of 200mm Micro-Nikkor lenses [24]
200mm f/4200mm f/4 AF‑D
MountFF (AF‑D)
Introduced19781993
Focus methodInternal
Focus motorCamera motor
Close range correction (CRC) [i] ?Yes
Angle of view (diagonal)12°–2° [25]
Magnification
(without macro rings)
1:21:1
Working distance [iii] 50cm26cm
ApertureAuto
Compensating diaphragm [iv] NoYes
Diaphragm blades99
Aperture at magnification [v] f/757 [26] f/5.345
Aperture at infinityf/432f/432
Elements/groups9/613/8
Filter size52mm62mm
Diameter67mm76mm
Length172mm193mm
Weight800g1200g

70-180mm Zoom Micro-Nikkor

The 70-180mm f/4.55.6 AF-D Micro-Nikkor was introduced in 1997 and discontinued in 2005. [24] It reached a magnification of 1:1.3 and 1:1 with a 6T close-up lens. The aperture is fully compensated for zoom and focus. It has an additional working distance scale besides the usual focus distance and magnification scales found on other Micro-Nikkors. The main advantage of a macro zoom lens is changing magnification without changing the subject-camera distance, i.e. without moving the camera. [27]

Nikon announced another 70-180mm lens in 2023, which is a general-purpose f/2.8 zoom for Nikon Z and not a macro zoom.

Specialty lenses

US Navy SEAL using a Nikonos/Kodak underwater camera with the 50mm Micro-Nikkor mounted. United States Navy SEALs 599.jpg
US Navy SEAL using a Nikonos/Kodak underwater camera with the 50mm Micro-Nikkor mounted.

The perspective control PC-E lenses 85mm f/2.8 and 45mm f/2.8 ED are designated Micro-Nikkor as well, since they reach a magnification of 1:2.

A Micro-Nikkor lens was also offered for the Nikonos RS underwater camera system, the Nikon R-UW AF 50mm f/2.8 Micro-Nikkor. It reaches 1:1 magnification.

Nikon also produced several special-purpose lenses which are often considered[ by whom? ] part of the Micro-Nikkor family of lenses. These include the 105mm f/4.5 UV lens mentioned above, as well as 120mm f/4 and 200mm f/5.6 Medical-Nikkor lenses for medical applications. The Medical-Nikkor lenses have built-in ring flashes.

DX Micro-Nikkor

Nikon released the AF-S Micro-Nikkor 85mm f/3.5G VR in 2009 for their DX (APS-C) line of DSLRs. The 85mm is an internal-focus lens with VR image stabilization. In 2011, the AF-S Micro-Nikkor 40mm f/2.8G was released, which has an extending focus mechanism. These lenses achieve a 1:1 magnification, which is equivalent to 1.5:1 magnification on 35mm film or a full-frame camera.

See also

Notes

  1. 1 2 3 Also called "floating elements". Focusing moves more than one group of elements in order to compensate for aberration fluctuation over a wide range of magnifications.
  2. S-mount version uses the focusing helicoid of the camera for near-infinity focus and requires using a bellows for macro focus.
  3. 1 2 3 Mechanical working distance from front of filter ring to the subject. Nikon sometimes specified the optical working distance (distance between the vertex of the first element to the subject), which is larger for most of these lenses, as their front elements are deeply recessed.
  4. 1 2 3 The lens or camera mechanically or electronically compensates for the change in effective aperture as magnification is adjusted, therefore keeping exposure constant. Macro lenses without a compensating diaphragm either require all light to be exposed through-the-lens (TTL) or require manually adjusting exposure when magnification is changed.
  5. 1 2 3 The effective aperture diminishes with all lenses as magnification is increased. A simple unit focus design will loose two stops when set for life-size reproduction (1:1). Designs with CRC can counteract this to some degree.

Related Research Articles

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Fujinon is a brand of optical lenses made by Fuji Photo Film Co., Ltd, now known as Fujifilm. Fujifilm's Fujinon lenses have been used by professional photographers and broadcast stations as well as cinematography. Fujifilm started manufacture of optical glass in its Odawara Factory in Japan in 1940, which was the start of the Fujinon brand. They were proud of their use of expensive Platinum crucibles to get the purest glass achievable at the time. Fujifilm also pioneered Electron Beam Coating (EBC) which according to Fujifilm, represented a new high in lens precision and performance. The EBC process was significantly different from other coating processes by the number of coating, the thinness of the coating, and the materials used for coating. Fujifilm claimed they were able to have as many as 14 layers of coating and used materials such as zirconium oxide, and cerium fluoride, which could not be used for coating in the conventional coating process. The first lens to offer the Electron Beam Coating was the EBC Fujinon 55mm F3.5 Macro in 1972. Light transmission for the coating was said to be 99.8%. EBC later evolved into Super-EBC and HT-EBC.

<span class="mw-page-title-main">Sigma Corporation</span> Japanese camera and camera lens manufacturer

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<span class="mw-page-title-main">Nikon F-mount</span> Lens mount

The Nikon F-mount is a type of interchangeable lens mount developed by Nikon for its 35mm format single-lens reflex cameras. The F-mount was first introduced on the Nikon F camera in 1959, and features a three-lug bayonet mount with a 44 mm throat and a flange to focal plane distance of 46.5 mm. The company continues, with the 2020 D6 model, to use variations of the same lens mount specification for its film and digital SLR cameras.

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<span class="mw-page-title-main">Nikon S-mount</span> 35mm lens mount

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The AF-S DX Nikkor 18-105mm f/3.5–5.6G ED VR is a superzoom lens manufactured by Nikon, introduced in August 2008 for use on Nikon DX format digital SLR cameras. This lens is sold as a kit lens for the Nikon D90, Nikon D7000, Nikon D5100, Nikon D5200 and Nikon D3200 cameras, but it also can be purchased separately from the camera body.

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<span class="mw-page-title-main">Nikon Z-mount</span> Digital camera lens mount

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References

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  7. 1 2 Based on OpticalBenchHub data found at "Optical Bench".
  8. Based on OpticalBenchHub data found at "Optical Bench".
  9. Based on OpticalBenchHub data found at "Optical Bench".
  10. 1 2 3 4 Calculated
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  12. Based on OpticalBenchHub data found at "Optical Bench".
  13. Based on OpticalBenchHub data found at "Optical Bench".
  14. Based on OpticalBenchHub data found at "Optical Bench".
  15. Based on OpticalBenchHub data found at "Optical Bench".
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  21. Based on OpticalBenchHub data found at "Optical Bench".
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