If you want to order prints of a photo, you first should crop it to the appropriate aspect ratio (Figure 4.19). See the opposite page to learn about cropping photos and see "Understanding Aspect Ratios" in Appendix A, "Deep Background," for more details about aspect ratios.
Figure 4.19. Before cropping, choose the aspect ratio that matches your intended use.
Uses for specific aspect ratios:
Figure 4.20. For an unusual custom aspect ratio, choose Custom and enter the desired aspect ratio in the Custom Constrain fields in the dialog that appears.