Top best answers to the question «What is the best aperture for wedding photography»
Aperture: f/4.0 for details and close-ups and the formal spouse-and-spouse photos to f/7.1 for a small group shot of the wedding party to f/8.0 for the church and large groups. ISO Setting: 100 for a bright or sunny setting to 800 in a dimly lit church; at a nighttime reception, you may go to 1000 or higher.
For bridal portraiture (head and shoulders) use an aperture of not less than f/2 unless you are very familiar with your tools. Even at f/2 the whole face will not be in focus. If you want to be sure you nail focus on the whole face an aperture of between f/2.8 and f/4 is probably best.