| abstract |
A purpose of the present invention is to provide an optical film having exceptional recovery from curling, and tear strength. Another purpose is to provide a window film employing the same, having exceptional ease of wet pasting, and quality of finish. This optical film has at least an optically functional layer and an adhesive layer which are provided on a film-shaped support, wherein the optical film is characterized in that the support contains 30 mass% or more of a cellulose derivative, and is adjusted to a curling recovery rate of 20% or greater, and tear strength of 150 mN or greater. |