Helios-77M-4 50mm f/1.8 МС - Sample Images
Info and Reviews:
Introduced: 1990
Optical design: 6 elements in 4 groups
Lens mount: M42, Pentax K
Covers: Full-frame (24×36mm)
More info:
http://allphotolenses.com/lenses/item/c_490.html
Review:
http://www.pentaxforums.com/userreviews/helios-77m-4-mc-50mm-f1-8.html
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Camera: Canon EOS 5D Mark II
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Camera: Canon EOS 5D Mark II
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Camera: Canon EOS 50D
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Camera: Canon EOS 6D
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Camera: Canon EOS 6D
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Camera: Canon EOS 5D Mark II
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Camera: Pentax K-x
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Camera: Canon EOS 1100D
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Camera: Nikon D600
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Camera: Olympus E-M5
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Camera: Canon EOS 5D Mark II
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Camera: Sony ILCE-7
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ISO: 640
Camera: Sony ILCE-7
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Camera: Canon EOS 450D
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Camera: Sony NEX-5
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Camera: Sony NEX-5
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Camera: Nikon D700
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Camera: Nikon D700
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Camera: Canon EOS 600D