Bob W wrote: >>>From: "Bob W" <[EMAIL PROTECTED]> >>>Date: 2007/05/21 Mon PM 10:53:58 GMT >>>To: "'Pentax-Discuss Mail List'" <[email protected]> >>>Subject: RE: Need help with my homework again >>> >>>Hint: J H Lartigue >>> >>> >> > http://arts.guardian.co.uk/pictures/image/0,8543,-10404954434,00.html > >>>...although the wheels aren't oblong. Don't know what kind of >>>distortion would do that! >>> >>>-- >>> Bob >> >>It's not distortion of the lens type, it's an effect of the >>focal plane shutter working in slit mode. As the slit >>crosses the frame, the wheel moves forward, giving the oval >>shape. It's just fortuitous (or maybe a result of this photo >>in particular) that the direction it leans is the one usually >>depicted graphically to indicate speed. > > > I know. But it's still not oblong. I don't know any kind of > photographic distortion that could square the circle.
Sorry. Bit slow today. I'm looking rather oval myself tonight. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
