The ratio of I/I is more than 0.1 to 0.6, where I is an intensity of a light reflected toward an arbitrary angle α of 10° or less from a specular reflection direction of an incident light upon the surface at an angle of 5° to 30° from the surface normal, and {TAIL ~ I} is {HEAD ~ an intensity} of a reflected light deviated from the arbitrary angle α by 1° in a wide angle direction 
The ratio of I / I is more than 0.1 to 0.6 , where I is an intensity of a light reflected toward an arbitrary angle α of 10 ° or less from a specular reflection direction of an incident light upon the surface at an angle of 5 ° to 30 ° from the surface normal , and { TAIL ~ I } is { HEAD ~ an intensity } of a reflected light deviated from the arbitrary angle α by 1 ° in a wide angle direction
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH