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Sebastian Pier Filip: Reversed front element Helios 44-2 58/2 Valdai
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Sebastian Pier Filip: Reversed front element Helios 44-2 Valdai stopped down, probably f/5.6
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Sebastian Pier Filip: Reversed front element Helios 44-2 58/2 Valdai at f/4
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Sebastian Pier Filip: Reversed front element Helios 44-2 Valdai f/2
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Sebastian Pier Filip: Reversed front element Helios 44-2 Valdai f/2
©
Sebastian Pier Filip: Reversed front element Helios 44-2 58mm f/2
©
Sebastian Pier Filip: Reversed front element Helios 44-2 Valdai f/2