tokrot said:Anyway, I always uses 1/focal length becoz the multipler is just like a crop factor. If you shoot exactly at 1/focal length and crop at multiplication of factor using PS, I am sure you dun see blur motion either. Unless the general /focal length rule is wrong in the first place..
Do you see more motion blur of an image from far or do you see more of it magnified? That's what crop factor do, magnify the original image.
Increased resolution also magnifies motion blur on screen. But they will look the same on similar sized prints.
Cheers!