Which motor is better stepper or dc motor

[mrel]

Hello
I would like to build security camera setup where by camera can pan and Tilt using either a stepper motor OR Dc to pulse width modulator motor device to control dc motor .
I am not sure if I need a dc to pulse width modulator motor device to use for a dc motor .
Thank for infor
mrel

 

[LTX71CM]

Out of the two a stepper motor is better suited to the task at hand. I would opt to use a servo motors though, third choice.