How to view a PDF at its original size?

Question

A friend sent me a PDF with a UI mockup claiming it is 1024x768.
It is, indeed:

PDF size

However, View > Actual Size (⌘0) zooms in so much that the PDF takes up almost all 1920x1200 screen estate that is available.

How do I view the PDF at its original size?

Dan Abramov · Accepted Answer · 2012-07-20 17:23:25Z

up vote 2 down vote accepted

Turns out, there's a Preview preference that controls what actual size actually means:

enter image description here

If you want points to correspond directly to physical pixels, choose the first option.
(Not sure how it affects Retina displays though!)

answered Jul 20 '12 at 17:23

Dan Abramov
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1 Answer