I have described my experiences with the cameras before. Here, I will try to summarize my experience with the lenses. Images will be added later. Here it goes!
Carl Zeiss Jena Flektogon 50 mm f/4
The wide angle lens of the system… This multicoated lens has a very large and almost protruding front element. I do not have a hood, which should be useful especially when shooting at open air. This is a perfect lens for all practical purposes. Resolution, color reproduction and contrast is very good at all apertures. Viewfinder image is a bit dark especially on Pentacon Six TL; this should not be much of a problem when the scene is bright enough, though.
Volna (also branded as Arax etc), 80mm f/2.8
Standard, multicoated lens which was made in Ukraine. Mechanically, it is fine but perhaps a notch less secure than the Jena variants. The image quality is good for all practical purposes. It allows nice prints of 40 x 40 cm, when used properly (let’s say on a tripod, at f/8). Can be used for relatively low light situations. However, expectations should be realistic, when used wide open.
Vega 120mm f/2.8
A multicoated short telephoto which is even smaller than the standard lens. Can be used for portraits as well. Not a stellar performer but a really good one, especially considering its relatively low price. Mechanically, it does not feel as solid and dependable as the Jena lenses.
Kaleinar 150mm f/2.8
A multicoated telephoto. An unlucky lens! There is no department where this lens outperforms the Carl Zeiss Jena Sonnar 180mm f/2.8. Since neither the price nor the focal length differences are great, there seems to be no point in investing in this one. The f/2.8 is only for viewing and composing; it is practically useless for shooting (softness and an abundance of poorly controlled aberrations). The resolution and contrast becomes within acceptable limits at f/4 – f/5.6. The images are sharp and contrasty at around f/8.
Carl Zeiss Jena Sonnar 180mm f/2.8
A lens with some weight and character! (To be continued).
Jupiter 250mm f/3.5