Have you ever wondered which lenses are in a wedding photographer's bag. . The best thing I love about this lens is that it is tack sharp from the sweet spot on.
Since the ambient lighting is usually not very good (to be kind) at indoor weddings, fast (wide aperture) lenses and image stabilization are usually preferred.
List of best lenses for wedding photography produced by Nikon, Canon and Tamron. How to choose the lens for group, lifestyle, and portrait photos at wedding .