According to recent rumors surfaced over the web, Canon high resolution fullframe DSLR is expected to arrive on March 2015, the camera may arrive in two version on with low pass filter and one without, just like Nikon announced D800 and D800E a year ago.
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I my opinion it’s not an good idea to release one camera with low pass filter and one without.
We only need a high megapixel camera without a low pass filter to get the best image quality.
Nikon learned from the D800 and D800E and put only a D810 without a filter on the market.