*"I have set the Fujifilm to 400 ISO and the daytime images are clear but when zoomed in they pixilate badly."

WOW  I alway shoot at ISO 100. and I have only used ISO 400 once and that was shooting at night and if I use a high ISO like that then I get pixels bad I dont get bad pixels with ISO 100 at all. then I sharpen in photoshop

I shoot Raw canon rebel xt