Array lens, lighting optical system, optical unit and imaging apparatus

摘要

The present invention discloses the structure of the array lens that at least any one of the diagonal size, vertical size and lateral size of lens cell is set to almost 1/(4.5 or more) for each corresponding size of the display elements. The diagonal size of lens cell is set to almost 0.18 inch or less. The total number of lens cells is set to almost 240 or more. Finally, the lens focal distance of lens cell is set to almost 30 mm or less.