A portrait is a portrait. To simply add the modifier of macro doesn’t change the rules of good composition, light, creativity, depth of field, etc. What does change is the way in which the subject is captured. If you use natural light, time of day and angle of the sun still help determine the success of an image. But you have a tremendous advantage making macro portraits over ones of large mammals or people. With just a few modifications, macro portraits can be made mid-day when most photographers nap, clean equipment, download, edit or explore new locations. You need to modify harsh noon light with a reflector or diffuser. Additionally, sunlight can be overridden via the use of flash and dependent...