Photographic camera
A mechanical catch usually holds
the card in place and a spring helps it eject.
Flash Mount (Hot-Shoe) - Standard holder with contact plates for optional Flash
accessory.
Diopter Adjuster - Usually available in mid to high end sub-compact cameras and
DSLRs located besides the viewfinder. This varies the focal length of the lens in
the viewfinder to make even people wearing eyeglasses to see clearly through it
even without the eyeglasses.
Tripod Mount - Here is where your standard Tripod or Monopod is attached for
added stability.
13 How do they function to produce an Image (SLR) (MARI)
Light enters the camera's lens and creates an inverted image on the mirror.
Located 45 degrees above the mirror is what is called a focusing screen. The
image is transmitted to this screen and then to a pentaprism located above,
which inverts the image a second time before the photographer sees it through
the viewfinder.
Focusing is basically manipulating the amount of light entering the lens. The
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