Rightly true  for both answer
The resulting image will be sharp macam you see it LIVE. You feel can touch it, or it pop-up out from you pc screen.
Just try buat juling until you can see from two images become 3, then focus carefully to the center image.
Cara senangnya, you can look at Rubik Cube photo above (or below), there is two white dots there, try to juling it untill it become 3,
and focus gently at the center one

Rubik Cube in 3D:

You can find tutorial to shoot 3D Stereogrpahy on my 1st post.
p/s:
Feel sorry that your friends cannot see this 3D Stereography, hilang satu nikmat dunia 
Tell them: "Try again and again, gently cross-eye until the images becomes 3 and focus the center one."