Ultra Micro Nikkor 55mm F2 in Green
Ultra Micro Nikkor 55mm F2 in Green

Grand Big Ultra-Micro-Nikkor 55mm F2

Ultra-Micro-Nikkor 55mm F2

In the early summer, Japanese rice field.
You can see the Ultra-Micro-Nikkor 55mm F2 in the air.
She is shining like a diamond.
This is the scenery of Japan usually.

Japanese Rice Country Summer

Old but Great Ultra-Micro-Nikkor Lens

Super Vintage Ultra-Micro-Nikkor Lens

Ultra-Micro-Nikkor 55mm F2 in Green

Specifications

The Ultra Micro Nikkor 55mm F2 has lenses for e-line and h-line.

Ultra-Micro-Nikkor 55mm F2

Focal length :  55.8 mm
Max. aperture :  f/2
Min. aperture :  f/8
Aperture scale :  2, 2.8, 4, 5.6, 8
Lens construction :  8 elements in 6 groups
Standard magnification :  1/4X
Picture angle :  9.8°
Standard wavelength :  546 nm (e-line)
Vignettings :  0% at f/2
Distortion :  0.00%
Aerial resolving power :  500 lines/mm
Object area :  48mm⌀
Image area :  12mm⌀
Overall working distance :  315mm
Filter size :  d=40.5 mm   p=0.5 mm
Mount :  Leica L39 screw mount
Weight :  325 g
Accessories :  Front and rear lens caps, wooden case
Price :  140,000 Japanese YEN (1969)

Ultra-Micro-Nikkor 55mm F2 Lens Construction

Ultra-Micro-Nikkor 55mm F2h

Focal length :  55.8 mm
Max. aperture :  f/2
Min. aperture :  f/8
Aperture scale :  2, 2.8, 4, 5.6, 8
Lens construction :  8 elements in 6 groups
Standard magnification :  1/4X
Picture angle :  8.2°
Standard wavelength :  404.7 nm (h-line)
Vignettings :  0% at f/2
Distortion :  +0.01%
Aerial resolving power :  650 lines/mm
Object area :  40mm⌀
Image area :  10mm⌀
Overall working distance :  315mm
Filter size :  d=40.5 mm   p=0.5 mm
Mount :  Leica L39 screw mount
Weight :  325 g
Accessories :  Front and rear lens caps, wooden case
Price :  300,000 Japanese YEN (1969)

Ultra-Micro-Nikkor 55mm F2h Lens Construction

In 1969, Ultra Micro Nikkor 55mm F2 e-line lens was sold for 140,000 Japanese YEN.
A starting salary of a college (university) graduate office worker in 1969 was about 34,000 YEN.
You would understand that the UMN lenses were very expensive at that time.
Even more, the price of the UMN 55mm h-line is more than twice the price of the UMN 55mm e-line.

Ultra-Micro-Nikkor 55mm F2 Photography

I would like to show you the some photographs taken by the Ultra-Micro-Nikkor 55mm F2 Lens.
You can get the large size image by clicking on the following some photographs.

Brilliant Ear of Rice in Japan

Beautiful Ear of Rice in Japan

Golden Ear of Rice in Japan

Ultra-Micro-Nikkor 55mm F2 in Green, Japanese Rice Country Summer

From the Nikon Museum 2018 Special Exhibition

Ultra Micro Nikkor 55mm F2 and other very rare prototype lenses were exhibited in "Ultra Micro Nikkor Exhibition" so I would like to introduce to you.
You can get the large size image by clicking on the following some photographs.

Special Exhibition Ultra-Micro-NIKKOR at Nikon Museum

Ultra-Micro-NIKKOR 55mm F2 e, 1967
No. 550889

Ultra-Micro-NIKKOR 55mm F2 e

Ultra-Micro-NIKKOR 55mm F2 h, 1965
No. 405004

Ultra-Micro-NIKKOR 55mm F2 h

These photo images were introduced from the Nikon Museum Special Exhibition "Ultra-Micro-NIKKOR". The special exhibition was held from April 3, 2018 to June 30, 2018.
Please brose to the report for detailed explanation.
Nikon Museum Special Exhibition Report

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Copyright Michio Akiyama, Tokyo Japan 2001, 2019