The provided figure illustrates the parts of the camera and its cross-section.
To begin with, front portion of the camera consists of lens in oval shape, it has three different scection of elements that allows light to pass through. Moreover, the top of the camera pentaprism is installed aid to capture the images on the screen associated with focusing screen assist for clarity of photos along with eyepiece. Therefore, the pictures are visible through this small hole at the top-end corner of the backside camera.
Conversely, digital sensor is used to visualize the image and shutter key role is to facilitate the light and improve the camera clarity. However, in centre of the camera a rotating mirror which assists for zooming and zoomout.
In summary, all parts together are inter-linked and structured accordingly. Subsequently, the functioning of the camera is highly because of its each items, Indeed, function from storing image to visulizing.