The Natural Light Portrait Book

How to Focus f/1.8 Lenses or Faster

Focusing is a totally different technique with f/1.8, f/1.4, and f/1.2 lenses, and if you don’t use it, since the depth of field is so shallow with these super-fast lenses, you‘ll wind up with a ton of out-of-focus shots, and if you want to use these types of lenses, that would be a shame. The technique is pretty much the opposite of the technique you just learned on the previous page (the one you use for regular lenses). In this case, you’ll need to turn off your camera’s multi-point focusing feature (it’s usually on by default) and choose single-point focusing mode because you need to choose the focus point ...