USSR Lens Helios 44-2
Modified to create square shaped bokeh, like well known Zenitar ME1
from rare Zenit 18 camera
The aperture hole is perfect square from approx. f3.5 to f 16, on f2 is fully opened
and you can make photos like on usual Helios 44-2
Please see the photos carefully.
Glass are clean, no fungus or dust.