Ultra Micro Nikkor 135mm F4 Cool Summer

Ultra Micro Nikkor 135mm F4 Cool Summer

Ultra Micro Nikkor 135mm F4, Professional Nippon Kogaku, Summer Japan

Ultra-Micro-Nikkor 135mm F4

Someone said that it is the mystery of the Far East.
One of the more graceful and rare lens for the Ultra-Micro-Nikkor series.
It was introduced in 1965 from Nippon Kogaku, Japan.
The Ultra-Micro-Nikkor 135mm F4 consisted of seven elements set in a black painted barrel with 62mm screw thread.
The rim of the lens is engraved as " M=1/25" with red character.
The Ultra-Micro-Nikkor 135mm F4 used 62mm accessories.
A Nikon 62mm filter, for example, a Nikon 62mm L37C filter is just fit to her.
You can see very beautiful and mysterious purple coating on the lens.

Specifications

Focal length 136mm
Max. aperture f/11
Lens construction 7 elements, 4 groups
Standard magnification 1/25X
Standard wavelength 546.1 milli-micron (e-line)
Vignettings 0 %
Distortion +0.02% (F4)
Distortion -0.03% (F5.6)
Aerical resolving power 330 lines/mm (F4)
Aerical resolving power 200 lines/mm (F5.6)
Image area 50mm circle (F4)
Image area 64mm circle (F5.6)
Subject area 1250mm circle (F4)
Subject area 1600mm circle (F5.6)
Overall working distance 3640mm
Weight 750 g

Ultra Micro Nikkor 135mm F4, High Resolution Super Lens 1965