It depends on what size photos you want to take. This is the comparison table for you. Calculate the photo specifications (inches) (centimeters) (pixels) by yourself. Digital camera type 1 inch 2.5*3.5cm4 13*295 ID photo 3.3*2.2390*2602 inch 3.5 * 5.3cm626 * 465438. 3905 inch 5x3.5 1 2.7 * 8.91200x840 above110,000 pixels 6 inch 6x415.2 *10.21440x960 above/kloc-. I really don't know that the three-dimensional effect of searching the photo size comparison table online is impossible for PS. This is done through shooting and post-production. = = = = = = = You call this scene synthesis downloading pictures of Mito Xiu Xiu or cows. Go ahead, one step at a time.