This is one of my tests, reproduced today.
http://home.tiscali.nl/vanlindert/Calibration_E-400/test_diepte/test_diepte1.JPG
I focused on the line indicated by the blue marker.
Frank.
Sun, 21 Dec 2008 17:22:04 +0100, Frank van Lindert
<Frank@xxxxxxxxxxxxx> wrote:
>I first had a setup like yours, taking pictures along a ruler. And
>yes, it was all macro with the 14-42/3.5-4.6 standard zoom lens which
>was part of the E-400 kit.
>
>Later I have learned that it was better to photograph plain newspaper
>print from an angle which is about twenty degrees from horizontal. It
>will give you a better feeling of the depth of field, which was my
>primary concern when testing different lenses and macro converters.
>
>BTW, my favorite macro converter is a lens which I unscrewed from an
>Olympus slide copier (intended for copying slides or negatives to
>digital). Its thread being 58mm it screws right onto my 14-42. Its
>focal length is about 10cm.
>
>Frank.
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