SMC Pentax-M 20mm f/4 - Sample Images
Info and Reviews:
Made between: 1977 - 1984
Optical design: 8 elements in 8 groups
Lens mount: Pentax K
Covers: Full-frame (24×36mm)
More info / Review:
http://www.pentaxforums.com/lensreviews/SMC-Pentax-M-20mm-F4-Lens.html
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ISO: 80
Camera: Pentax K-5
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ISO: 80
Camera: Pentax K-5
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ISO: 100
Camera: Pentax K-5
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ISO: 100
Camera: Pentax K-5
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Camera: ??
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ISO: 100
Camera: Pentax K-5
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ISO: 100
Camera: Pentax K-5
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ISO: 80
Camera: Pentax K-5
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ISO: ??
Camera: ??
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Camera: ??
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Camera: ??
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Camera: ??
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ISO: 100
Camera: Pentax K-5
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ISO: ??
Camera: Pentax K-5
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Analog film: Kodahrome 64
Scanner: ??
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Analog film: Kodahrome 64
Scanner: ??