I am using Preview to display a 1MB pdf file that contains a presentation. OS X High Sierra.
At each page/slide, the image is blurry for about one second, before it gets sharp (correct). I have found this discussion about this problem.
I do not understand this unusual behaviour. If it were a very big pdf file, I would understand that it takes time to display everything correctly.
Is there a solution? If not, what is an easy and free alternative to Preview that allows me to display my presentation without waiting for the blur to disappear?