Quote Originally Posted by hotsecretary


The primes mean you have to move your feet to focus get DOF at times... zoom you have the advantage of not moving, but at times you'll have to move no matter.





Uh...primes mean you have to move your feet to get the imaged composed/framed as desired. Once composed as desired, one has to understand the DoF for that focal length at that subject distance (and at a particular target print size).