Vivitar Series 1 (Komine) 28-90mm f/2.8-3.5 - Sample Images
Info and Reviews:
Introduced: 1984
Optical design: 14 elements in 12 groups
Lens mount: Pentax K (PK and PKA), M42, Canon FD, Nikon F, Olympus OM, Minolta SR
Covers: Full-frame (24×36mm)
More Info / Review:
http://jfcampbell.us/photo/vivitar28-90.htm
http://www.pentaxforums.com/userreviews/vivitar-series-1-28-90mm-f2-8-3-5.html
http://www.vintagelensreviews.com/vlr/reviews/vivitar-komine-series-1-28-90-mm-f2-8-3-5/
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ISO: 400
Camera: Canon EOS 60D
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ISO: 200
Camera: Canon EOS Rebel XSi
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ISO: 200
Camera: Canon EOS Rebel XSi
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ISO: 800
Camera: Pentax K-50
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ISO: 200
Camera: Canon EOS 60D
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ISO: 160
Camera: Canon EOS 5D
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ISO: 100
Camera: Pentax K-500
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ISO: 250
Camera: Pentax K-500
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Analog film: Kodak Ultramax 400
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Analog film: Arista EDU 400
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ISO: 800
Camera: Samsung GX20
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ISO: 400
Camera: Canon EOS Rebel XSi
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ISO: 400
Camera: Canon EOS Rebel XSi
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ISO: 200
Camera: Canon EOS 60D