Lines not sitting correctly in pixel grid when copy pasting into PS

[Stefan Cargoski]

Hello community.

Im going lines in AI, and I have snap to pixel turned on, the lines sit perfectly in on the grid in AI. When I copy/paste into PS., the lines do seem to be sitting correctly within PS pixels, but I can also see some grey

lines, as if there's an aliasing problem. What am I doing incorrectly?

[Ton Frederiks]

Is your Illustrator document a Large Canvas document?

If so, it will always give anti-aliasing effects.

[Stefan Cargoski]

The canvas size is 1000 x 800 pixles. But the what Im copy pasting into PS is only 843 x 148 pixels.In AI, all these lines are sitting perfectly in the grid. 

[Ton Frederiks · Accepted solution]

Try an invisible 1000 x 800 pixels rectangle, same as your artboard and copy that together with the artwork.

[Ton Frederiks]

I can replicate it with a normal canvas document.

When I create an invisible rectangle that has the size of the artboard and copy that together with the artwork, it pastes correct.