<p>I use 35L, 85L and 135L for at least 90% of my portrait sessions. I haven't used my original version 24-70 in the past couple of years. The only time I use it is for infants, which I don't photograph very often. The focus distance is useful for that. Also, for when conditions aren't great for changing lenses, then I would throw it on for the day. It's a <a href="https://www.facebook.com/IanTaylorPhotography/photos/a.312361585492503.75620.171846589544004/407384662656861/?type=3&theater">nice lens</a>, but I am stuck on primes.</p>