The diagram illustrates, the various parts that are present in a camera. It has a total of seven parts. The camera is divided into two section's the front and the back, majority of the components are placed at the back.
To begin with, a path of light is made to fall of the lens of the camera. The lens are placed in a cylindrical shaped object which is the front part of the camera. Moreover, the photographer must look at the desired object through the eyepiece. Next, the focusing screen and pentaprism are placed right infront of the eyepiece, to focus the object. Futher, a rotating mirror is attached below the focusing screen and the pentaprism, as the name suggest's the mirror acts like a door. The sixth important component is the digital sensor. Finally, a shutter is placed behind the digital sensor.
In conclusion, all these components play a major role. and it is important to follow the aforementioned steps to achieve the desired results. 
The diagram illustrates, the various parts that are present in a  
camera
. It has a total of seven parts. The  
camera
  is divided
 into two  
section's
 the front and the back, majority of the components are  
placed
 at the back.
To  
begin
 with, a path of light  
is made
 to fall of the lens of the  
camera
. The lens  
are
  placed
 in a cylindrical shaped object which is the front part of the  
camera
.  
Moreover
, the photographer  
must
 look at the desired object through the eyepiece.  
Next
, the focusing screen and  
pentaprism
 are  
placed
 right  
infront
 of the eyepiece, to focus the object.  
Futher
, a rotating mirror  
is attached
 below the focusing screen and the  
pentaprism
, as the name  
suggest's
 the mirror acts like a door. The sixth  
important
 component is the digital sensor.  
Finally
, a shutter is  
placed
 behind the digital sensor. 
In conclusion
, all these components play a major role.  
and
 it is  
important
 to follow the aforementioned steps to achieve the desired results.