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| p.1 #2 · OM-D has no AA filter? |
Anyway, it does make sense. The higher the pixel density the less need for an AA filter and the 16mpx sensor in the OM-D has a higher pixel density than even the D800.
What do you think?
For Moire purposes, pixel density must be considered in terms of "pixels per image height" (or width), not "pixels per mm". Not minding the aspect ratio differences between 4/3 and 3/2 format sensors you can simply take the megapixels directly to estimate how susceptible a sensor is to aliasing.
Edit: And of course it really depends on the scene you are photographing. A fine fabric (at small magnification) would not show any aliasing on a low Mpix picture because it will appear as a uniform surface.