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Vivitar 28mm f1.9 FD modified to m42-1
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20141003-IMG_5390_Vivitar 28mm f1.9
blue bubble:
20141003-IMG_5395_Vivitar 28mm f1.9
blue bubble:
20141003-IMG_5396_Vivitar 28mm f1.9
blue bubble:
20141003-IMG_5397_Vivitar 28mm f1.9
blue bubble:
20141003-IMG_5398_Vivitar 28mm f1.9
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20141003-IMG_5399_Vivitar 28mm f1.9
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20141003-IMG_5400_Vivitar 28mm f1.9