Go to WHSmith or any stationer selling kiddies books, buy a 3D book, and you get the specs.
I have checked it, it works OK, not amazing but not bad.
Here is a 3D Alpha 550/16-80mm two-shot still life, not NEX, a commercial job, glasses same:

- 3Ddrill-leafletconcept-web.jpg (133.42 KiB) Viewed 2520 times
Red filter left eye, cyan filter right eye. This should be very accurate to view, as it uses carefully adjusted coincident-focus anaglyph.
David