These are rare and legendary Lomo prime lenses for cinematic film making. These were standard lenses used by directors and cinematographers in the Soviet Union.
Compared to today's modern Canon L or Zeiss primes, these Lomo's are admittedly not as sharp. But they are characterised by their high contrast, unique swirly bokeh and softer rendering for that 'film look'. These lenses are great if you want to break away from those over-sharp and generic modern lenses you often see in video DSLR film making.
These lenses are mountable to Micro 4/3 and NEX cameras via special adapters
Currently, I own: