Studio lighting is basically comprises of key, fill, background and accent lights. They serve different purposes

3. There are basically four types of studio
lighting in terms of their function.
They are key, fill, background and
accent lights. The key lights are meant
to light up the subject

5. The main purpose of key lights is to illuminate all parts of a
subject. The light(s) is set up directly infront of the model from
where the camera is placed
Softbox, and beauty dish are some of the lights that are
used as key lights

6. The fill lights are used for
erasing shadows produced
by the key lights. They are
usually placed on either side
of the subject. They are also
set above the head of the
subject. Umbrella and other
similar kind of soft light
sources are used the
purpose

8. This type of light is used for lighting up the background. The
lights used for this effect is usually dimmer than key lights

10. It is important that the subject and the background are separated
from each other. This makes the subject prominent as well as
retains the significance of the photography backdrop. Accent
lights are used for this purpose.

11. Additionally, position of beauty dish, softbox or any other
lighting tools are decided on the kind of effect you want to
create.