The Camera

Vocabulary:
Parallax- is a movement or difference in the apparent area of an object viewed along two different lines of sight.
gamut- is a certain complete subset of colors.
light-emitting diode (LED)- is a semiconductor light source.
pellicle mirror- a thin mirror that reduces light intensity.

Vocabulary:

aperture- is a hole or an opening through which light travels.
shutter- is a device that allows light to pass for a determined period of time, to capture a permanent image.
exposure-controls the amount of light that enters the camera during a period of time.
depth of field (DOF)-  is the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image.
f-stop- of a visible system is the ratio of the lens's focal length to the diameter of the entrance pupil.  
focal length-  of an imaged system is a measure of how strongly the system divides light.

canon T3 Design

(Illustration courtesy Canon USA, with modifications © Imaging Resource)

1	Mode dial	13	EF lens mount index
2	Power switch	14	EF-S lens mount index
3	Flash button	15	Flash-sync contacts
4	Main dial	16	Hot shoe
5	Shutter button	17	Focal plane mark
6	Red-eye reduction lamp	18	Strap mount
	Self-timer lamp	19	Microphone
7	Grip	20	Terminal cover
8	Mirror	21	Lens release button
9	Contacts	22	Remote control terminal
10	Lens mount	23	Digital terminal
11	Lens lock pin	24	HDMI mini out terminal
12	Built-in flash	25	Body cap
	AF-assist beam