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07-29-2008, 12:54 AM   #1
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SMC-A 70-210 f/4 chromatic abberations

I have an SMC-A 70-210 f/4 which has massive chromatic aberration when shooting wide open. In a controlled test it is much worse than any other Pentax lens I have. Shall I try to find another one, or do they all do this?

07-29-2008, 03:37 AM   #2
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Mine doesn't. It purple fringes some, but certainly no more than my DA 50-200 did. Probably somewhat less, in fact one of the things I most like about this lens is it's character wide open.

NaCl(pretty nice bokeh for a older mid-level zoom)H2O
07-29-2008, 03:01 PM   #3
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My experience is the same as NaCl's, there is some CA there but its pretty minor.
07-29-2008, 06:43 PM   #4
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I too experience some purple fringing wide open but thats about it. I rather enjoy mine, its the only one of my two zooms I really use on any sort of 'regular' basis.

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