<p>For weddings, 24-70mm or 24-105mm, plus a 70-200mm and leave AF on. Save the primes for the studio.</p>
<p>With zooms, use Digital Lens Optimization software, available with Digital Photo Professional, DxO Optics Pro, Lightroom, etc. to correct for geometric errors, CA, vignetting, etc. at each focal length and each aperture. Zooms in the 21st century give many primes a run for their money in critical, large format prints, but you need to use DLO to get the most out of your zooms.</p>