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Unit 2: Camera Study Guide & Activities

Camera Unit

AB
Camera Matte BoxA housing attached to the front of the camera lens that blocks unwanted light and holds filters to control glare and exposure.
LensThe optical component that focuses light onto the camera’s image sensor to create a sharp image.
ViewfinderThe small display or eyepiece that allows the camera operator to frame and focus the shot.
BatteryThe power source that supplies energy to the camera and accessories.
TripodA three-legged stand that stabilizes the camera for steady shots.
Lens F-Stop (Aperture)The opening in the lens that controls how much light enters the camera; expressed as f/2.8, f/4, f/5.6, etc.
Focal LengthThe distance (in millimeters) between the lens and the image sensor when focused at infinity; determines the lens’s field of view (wide or zoomed in).
Aperture (Iris)The adjustable opening inside the lens that regulates light and affects depth of field.
Depth of FieldThe range of distance within a shot that appears acceptably sharp; controlled by aperture, focal length, and subject distance.
F/StopA numerical value that represents the size of the aperture; lower numbers (f/2.8) mean more light and shallower depth of field.
ExposureThe amount of light that reaches the camera sensor, determining how bright or dark the image appears.
Overexposedoo much light hitting the sensor, causing loss of detail in bright areas.
UnderexposedNot enough light hitting the sensor, causing the image to be too dark.
Prime LensA lens with a fixed focal length (no zoom); often sharper and faster.
Zoom LensA lens with variable focal length allowing zooming in or out without moving the camera.
Normal LensA lens with a field of view similar to human vision (around 50mm on full frame).
Telephoto LensA long focal length lens that magnifies distant subjects.
Wide Angle LensA short focal length lens that captures a wide field of view.
Color CorrectionAdjusting or balancing color tones so footage appears natural or matches across different shots.
White BalanceThe camera setting that ensures white objects appear white under various lighting conditions.
Color TemperatureThe characteristic of light measured in degrees Kelvin (K); determines the color tone of the light source.
KelvinThe unit of measurement for color temperature (e.g., 3200K for tungsten, 5600K for daylight).
ISO/ASAThe camera sensor’s sensitivity to light; higher ISO increases brightness but may add noise.
Frame RateThe number of frames captured per second (fps); common rates include 24, 30, and 60 fps.
Lens Follow FocusA mechanical device used to precisely control focus without touching the lens directly.
Camera MovementsPhysical movements of the camera (pan, tilt, dolly, truck, pedestal, arc, etc.) that affect composition and storytelling.
Lens FundamentalsThe basic optical principles that determine how lenses bend and focus light.
Sharp FocusThe point where the image appears crisp and detailed.
Soft FocusA slightly blurred effect often used for artistic or romantic visuals.


Newton College and Career Academy
Covington, GA

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