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[nikomat 6081] bokeh



すぎやま@また海外ネタです

85/1.4のAiSとAF版の比較検討でAISの絞りの方が円形に近いからボケ味がいいという
のですが(知らなかった、本当?)、
日本語のボケが bokehという英語になって使われているようです。確かにout of
focusな部分に相当するいい英語の名詞がないので便利なのかもしれません。
better bokehはベタ-ボケになるのかなっ!



>I'm considering the 85/1.4 AF and AIS lenses.  I have questions about
>two things:
>
>1. I've heard that the AIS uses slightly curved aperture blades for an
>aperture that's closer to a true circle, rather than the straight
>edges on most AF lens' blades, for better bokeh.  Are the blades on
>the AF version also curved this way?
>
>2. Focusing: supposedly the AF has more of a manual feel to it than
>most AF lenses, but not quite as stiff as the AIS lenses.  I like
>using AF lenses manually because I can quickly throw the lens into
>approximate focus because of the looseness of the focus ring (and then
>fine-tune it from there).  I can't do this on AIS lenses -- too stiff.
>How about the 85/1.4 AIS -- still loose enough for this method?
>
>Thanks for any help,

>(considering 35/1.4 AIS and 85/1.4 (AIS/AF) for use on an FM2N.
>Any more comments are welcome.)