systems have promised to revolutionise 3D viewing. Primarily offering
an alternative to wearing 3D glasses, various forms of autostereoscopic
lenses and filters work to create the same depth effects without relying
on clunky headwear. Lenses and parallax barriers have recently been
used to improve 3D televisions, while similar technology has been tied
to the launch of handheld gaming systems like the Nintendo 3DS, as well
Figure 3 shows a stylised example with three slits, where the left frame is coloured red and the right frame cyan.