This was taken with my 17-55 lens. Flash set to TTL. My plan yesterday was to shoot in the daytime but that didn't happen. So we took some photos in their bedroom. My 4 year old will pose and smile on demand. The 2 year old was a bit harder. He smiled after mommy and daddy made lots of noises. With my two year old...it is easier to get him to "look" when I am looking at him too. So I am framing them first...and then I shoot blindly so he can see my face!