Ultra Micro Nikkor 50mm F1.8 h Sea Sound

Ultra-Micro-Nikkor 50mm F1.8 h

The Ultra-Micro-Nikkor 50mm F1.8h was introduced in 1969 from Nippon Kogaku.
The one of strong lens in the Ultra-Micro-Nikkor lenses.
The Ultra-Micro-Nikkor 50mm F1.8h is covered with heavy metal. The lens is not big and weight is 700 grams.
This lens is easy to mount a Nikon camera.
If a 52mm reversing ring, BR-2 ring is fixed on the lens, it is able to mount on a Nikon camera.

If you mount this super lens on your Nikon camera, You get on a midnight train and will go on to a sentimental journey.

Specifications

Focal length 49.2 mm
Max. aperture f/1.8
Min. aperture f/1.8 fixed
Lens construction 12 elements, 9 groups
Standard magnification 1/5X
Standard wavelength 435.8 milli-micron (g-line)
Standard wavelength 404.7 milli-micron (h-line)
Vignettings 0 %
Distortion 0.002 %
Aerical resolving power 650 lines/mm (14 mm circle)
Aerical resolving power 800 lines/mm (10 mm circle)
Image area 14 mm circle
Subject area 70 mm circle
Overall working distance 315 mm
Weight 700 g