What Is The Advantage Of Parfocal Objective?

What Is The Advantage Of Parfocal Objective? A parfocal lens allows for more accurate focusing at the maximum focal length, and then quick zooming back to a shorter focal length. Parfocal lenses also ameliorate lens breathing, a common headache for photographers. What is a Parfocal objective quizlet? Parfocal: A parfocal lens is a microscope that