Video Cameras The Basics

Lenses (TVP MODULE 10)

100

Focal length range of variable focal length lens

Zoom Ratio

200

Lens that has a narrow angle of acceptance

Telephoto

300

Lens that has a great angle of acceptance

Wide-angle

400

a high quality, fixed focal length lens used in HDTV and film is called a ___ lens

Prime

500

Distance between optical center of lens and target

Focal length

Distance, Perspective, Speed Changes (TVP MODULE 11)

100

In the "case of the wandering billboards" the photographer who wanted to make the signs look close together chose

A telephoto lens used at a great distance

200

A short focal length lens tends to

Exaggerate distances and increase apparent speed

300

A long focal length lens tends to

Compress distances and reduce apparent along the lens axis

400

Spatial relationship differences that seem to accompany wide-angle and telephoto lenses are technically not a function of lens focal length, but

Camera-to-subject distance

500

In the "case of the wandering billboards" the photographer who wanted to make the signs look far apart used

A wide-angle lens and positioned himself close to the first sign

F- Stops, Create Focus Techniques (TVP MODULE 12)

100

change focus to shift viewer attention from one part of the scene to another Reduces the amount of light going through lens: moving an iris setting from f:8 to f:16

Rack focus

200

enables the lens to attain sharp focus on an object only a few inches or even a few millimeters from the front of the lens

Macro setting

300

the area along the lens axis that's acceptably sharp is referred to as

Depth of field

400

term for the process of using limited depth of field to intentionally throw areas of the picture out of focus

Selective focus

500

moving an iris setting from f:11 to f:8

Increases the amount of light moving through lens

Filters, Lens Attachments l (MODULE 13-1)

100

Filter used to control the amount of light passing through a lens

Neutral density (ND) filter

200

Used primarily to protect the camera lens from adverse conditions

Ultraviolet filter

300

A type of filter that's much cheaper than a glass filter is the

Gel

400

Used to protect a camera image from offending glare or loss of contrast

Lens hood

Filters, Lens Attachments II (MODULE 13-2)

100

Filter that reduces glare and reflections, deepens blue skies, penetrates haze, and intensifies colors

Polarizing filter

200

Makes a "bug's eye view " of subject matter possible

Periscope lens

300

Creates a dreamy, soft focus effect

Diffusion filter

400

A small bellows device mounted on the front of the camera

Matte box

500

Filter that is often used to make video look more like film

1/2 Black Diffusion FX