In praise of AA filters

Started 9 months ago | Discussions thread
Lee Jay
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Re: Pro AA filter users forget Sigma's Foveon sensor
In reply to Tom Axford, 9 months ago

Tom Axford wrote:

Lee Jay wrote:

Basalite wrote:

Thanks for the example. That X3 image is covered with aliasing artifacts. It may lack most color moire but it's full of luminance moire. The lack of an AA filter is one reason of many I've never seriously considered a Sigma camera and the example above shows why.

I'm sorry, but I can't see what you are referring to. The coloured moire patterns in the image on the left are obvious, but I'm not sure what faults in the image on the right are "luminance moire". Can you explain please? This is a genuine question, I'm not being facetious.

The entire thing is full of jaggies, false detail and patterns that don't exist.

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Lee Jay
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