Modern DSLR cameras use the Phase Detect autofocus method to determine the correct point at which to focus the lens. This method is fast and generally accurate, and operated by light travelling through the lens. When you half-press the shutter button on your DSLR while looking through the optical viewfinder, it’s Phase Detect autofocus that’s used.
One reason to study sociology is simply because sociology is a fascinating and multifaceted discipline
Hope that this was helpful :)
Maybe bad but it could be good ! may i see a picture?
Leadership, without a person to go give commands people won't know what it is their supposed to do.