LED F Series Smart TV - 50" Class (" Diag.) Samsung UN50FAF. Features. Discover More of the TV you Love with the New Samsung Smart TV. Samsung UN50F Review (UN50FAF). 50 inch p Hz 3D LED Smart TV. by Robert Wiley, Senior Editor. LED Smart TV (F Series) edit Series Series Design Type LED TV Design One Design (ToC) Pair Smart Touch Control. Turn the Smart Touch Control over so the back cover is facing up.