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Wavy Roof Lines

I'm trying to take pictures of houses with large expanses of roofs and vinyl siding. The roof and siding appears wavy! I have a Nikon Coolpix 5400 that is set on 640 x 480 and "Fine".

I'm a real amateur with my camera! Can you help me find the correct settings?

Attached Image:

temp file 003.jpg

Mon, 23 Mar 2009 02:10:52 +0000

That is an optical illusion created by discrete pixels (versus analog tones of the real world) at low resolution. The image tries to depict the original roof lines in the low-resolution image. Because computer can't draw true straight lines, it uses a technique called alias. In low-resolution image, what you see is the effect of aliasing lots of lines close together.

Your best bet is to shoot the same photo at higher resolution (preferably at the highest resolution) that your digital camera supports.

Chieh Cheng
Mon, 23 Mar 2009 06:13:44 +0000

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