Photograph We Dream by Jake Olson Studios on 500px Jake shot this gorgeous shot with a Canon EOS 5D Mark III and a Focal Length of 85mm. His settings were a Shutter Speed of1/5600s and an Aperture f/1.2 with an ISO of 100.
This was the mom's idea to have him play dress-up with daddy's clothes. ended up being a really cute shot. I think if I do this I would take the picture like this and then when they are older (hopefully in the same clothes) and superimpose the older picture into the mirror.