\n| \n Head movement tolerance<\/strong><\/p>\n<\/td>\n| \n Good.
\nOne-camera system provides an accurate calculation of the data and a good level of precision.
\nMore sensitive for head movement than the dual camera systems.<\/p>\n<\/td>\n<\/tr>\n | \n| \n Operating distance (mounted on screen)<\/strong><\/p>\n<\/td>\n| \n 45 cm to 95 cm (18\u2019\u2019 to 37”) from the eye tracker<\/p>\n<\/td>\n<\/tr>\n | \n| \n Freedom of head movement
\n(width x height)<\/strong><\/p>\n<\/td>\n\n Freedom of head movement at 50 cm distance
\n20 cm x 20 cm (7.9\u2019\u2019 x 7.9\u2019\u2019)
\n(At least one eye tracked)
\nFreedom of head movement at 65 to 80 cm distance
\n35 cm x 35 cm (13.8\u2019\u2019 x 13.8\u2019\u2019)
\n(At least one eye tracked)<\/p>\n<\/td>\n<\/tr>\n | \n| \n Optimal screen size<\/strong><\/p>\n<\/td>\n| \n Up to 27″ (16:9 aspect ratio)<\/p>\n<\/td>\n<\/tr>\n | \n| \n Recommended monitor<\/strong><\/p>\n<\/td>\n| \n N\/A<\/p>\n<\/td>\n<\/tr>\n | \n| \n Tracker setup options<\/strong><\/p>\n<\/td>\n| \n Eye tracker mounted on a tripod, allows for even larger screens or physical objects to be tracked.
\nThe Mobile Testing Accessory enables research or usability tests on a mobile device.<\/p>\n<\/td>\n<\/tr>\n | \n| \n Participant setup<\/strong><\/p>\n<\/td>\n| \n Very simple and easy. Typically, less than 1 minute. <\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div> | | | | | | | |