Ultra Micro Nikkor 28mm F1.8 Early Model
Ultra Micro Nikkor 28mm F1.8 Early Model

Ultra-Micro-Nikkor 28mm F1.8 Early Model

Ultra-Micro-Nikkor 28mm F1.8 Early Model

Even now, Ultra Micro Nikkor generally refers to this lens. Sometimes you can see this lens on the used camera market.
But still Ultra-Micro-Nikkor 28mm F1.8 is a rare lens.

Japanese Autumn Fruit and Precise Lens

Ultra-Micro-Nikkor 28mm F1.8 Lens classification

When classifying the Ultra-Micro-Nikkor 28mm F1.8 lenses, it is roughly divided into the early model and the late model, and the late model can be further classified into 5 types.
Classification is summarized in the following table.
This article refers to the early model.

Ultra-Micro-Nikkor 28mm F1.8 Lens classification

Lens Barrel Engraving Rare
Early Model Tapered Ultra-Micro-NIKKOR 1:1.8 f=28mm
Nippon Kogaku Japan No. 281964
Late Model
Type 1
Cylinder Ultra-Micro-NIKKOR 1:1.8 f=28mm
Nippon Kogaku Japan No. 282068
Late Model
Type 2
Cylinder Ultra-Micro-NIKKOR 1:1.8 f=28mm M=1/10
Nippon Kogaku Japan No. 282372
Late Model
Type 3
Cylinder Ultra-Micro-NIKKOR 1:1.8 f=28mm M=1/10 e
Nippon Kogaku Japan No. 48186X
Late Model
Type 4
Cylinder Ultra-Micro-NIKKOR 1:1.8 f=28mm M=1/10 e
Nippon Kogaku Japan No. 29884X
Late Model
Type 5
Cylinder Ultra-Micro-NIKKOR 1:1.8 f=28mm M=1/10 e
30009X Nikon
☆☆☆

  • Tapered in the Barrel column indicates that the tip of the lens barrel is thin
  • Cylinder in the Barrel column indicates that lens barrel is shaped like a cylinder
  • Late model type 3 has e-line use and h-line use type
  • The color of the serial number becomes green from the late model type 4

  • The end of red engraving from type 3 is "e" or "h"
  • There is no numero sign (No.) in the serial number of type 5
  • Type 5 will be "Nikon" instead of "Nippon Kogaku Japan"

  • ☆ mark indicates rare
  • ☆☆☆ mark indicates very very rare
  • Since the serial number seems to be not very regularity, so I don't use for classification

UMN 28mm F1.8 Early Model Features

The picture below was taken at the Nikon Kenkyukai Tokyo meeting.
Those are three Ultra-Micro-Nikkor 28mm F1.8 early model lenses.
Nikon Kenkyukai November 2007 Report

UMN 28mm F1.8 Early Model

A front lens is small but strong eye is very sharp

Specifications

Ultra-Micro-Nikkor 28mm F1.8   (Early Model)

Focal length :  27.5 mm
Max. aperture :  f/1.8
Min. aperture :  f/8
Lens construction :  9 elements in 7 groups
Standard magnification :  1/10X
Standard wavelength :  546 nm (e-line)
Vignettings :  0%
Distortion :  -0.06%
Aerial resolving power :  650 lines/mm or more
Image area :  4 mm⌀
Subject area :  40 mm⌀
Overall working distance :  315 mm
Weight :  312 g
Price :  160,000 Japanese YEN (1969)

Ultra-Micro-Nikkor 28mm F1.8 Early Model Lens Construction

Ultra-Micro-Nikkor 28mm F1.8 Early Model Lens Construction

Ultra-Micro-Nikkor 28mm F1.8 in Field

Intellectual Ultra-Micro-Nikkor is thinking under the shade

Mirrorless Interchangeable-Lens Camera

You can use the Ultra-Micro-Nikkor 28mm F1.8 lens easily with mirrorless camera.

The Nikon Kenkyukai Tokyo Meeting of September 2009

Ultra-Micro-Nikkor 28mm F1.8 with Mirrorless Camera

Ultra-Micro-Nikkor with Nikon 40.5mm HN-N102 Lens Hood

From the Nikon Museum 2018 Special Exhibition

Ultra Micro Nikkor 28mm F1.8 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 28mm F1.8 Early Model, 1967
No. 291801

Nikon 1 J5 and Ultra-Micro-NIKKOR 28mm F1.8

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