Frankly, I was speechless, has the speed with which Optics Pro corrects the weaknesses lens of my camera. Distortion and color trends were in no time away. The whole menu of the program is quickly recognized and applicable. I opted for the standard version, because my camera and lens combinations were there. (There is a list of references.) To want to invest a worthwhile purchase for those who seek a high quality of their photos without much time fundamental weaknesses of the equipment.