The subject invention provides an optical film, comprising a transparent substrate and a resin coating having a convex-concave structure on at least one surface of the substrate, wherein said resin coating comprises a plurality of organic particles and a binder, the organic particles being formed from a polyacrylate resin which comprises at least one acrylate monomer type having multiple functional groups as polymerization units, said multi-functional acrylate monomers being in an amount from 30 to 70 wt % based on the total weight of the monomers, and wherein the organic particles have a mean particle size, the particle size distribution of the organic particles ranging within about ±5% of the mean particle size, and wherein the organic particles are in an amount from about 180 to 320 parts by weight per 100 parts by weight of the solid contents of the binder.