Moiré disaster on the E-5

Started Jul 10, 2013 | Discussions thread
rovingtim
Veteran MemberPosts: 8,232
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false detail, yes - colour, no
In reply to Great Bustard, Jul 14, 2013

Great Bustard wrote:

Aliasing for the higher MP sensor is going to occur at higher frequencies than it is for the lower MP sensor, thus, the effect of aliasing is going to be at a much smaller scale in proportion to the photo as a whole. Thus, aliasing errors due to imperfections in the AA filter will detract less from the photo as a whole with a higher MP sensor.

False detail will indeed become less visible at 'normal' viewing distances as the MP increase. However, colour is a different matter. If aliasing creates a colour that isn't there, the overall colour will change in that area.

Now, instead of trying to construct a detailed argument, may I offer yet another link?

http://www.bbc.co.uk/news/magazine-23037957

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