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Yes, old glass is great. However, for now I'm not that concerned about how the bokeh is looking. More to increase my range of prime lenses for an affordable price. I have the cheap canon 50mm 1.8. Which is great if autofocus is handy. But I found a SMC pentax-m 1.7 50mm for cheap in thriftshop.
Since then, I mainly shoot with that lens.
And I certainly want to get a Helios at one time

i have not one e-mount lens with autofocus , i do have a-mount lenses with auto focus and the Sony LA-EA4 adapter so that i can use AF on some old a-mount lenses .