Voigtlander Nokton 50/1,5 Prominent

My friend lend me his Nokton, it's modified to M42 mount to fit M42-Nex thin helicoid adapter.
It has nice color tone, however the lens looks better for Black and White shot.

Carl Zeiss jena Biotar 4cm/2 Robot

Uncoated lens from half frame camera Robot. Prone to flare against strong light, somehow I like the flare effect. all wide open unless mentioned different.

NEX5

EPM1