color, image control, and the lens Flashcards
(25 cards)
What is true about the Kelvin scale?
It assigns a range of values to the color temperature of light.
HSL controls can be used to________________.
Adjust colors in a video clip
The primary colors on the basic color wheel for video production consist of what three?
Red, green and blue
Setting the white balance in your camera to 3200K for a daytime interior scene, will cause any daylight coming in through a window to appear_________.
bluish
The most common standard for the white point of a video monitor is:
D65
When using REC709 for capturing high definition video, a color that is out of gamut is _________.
Clipped
A CTB gel is used to ________________.
convert a lower kelvin temperature source to a higher kelvin temperature.
To remove the green tint from a traditional fluorescent tube lighting fixture, one option would be to ________________.
wrap the tube with a minus green gel.
How can the cinematographer make a two dimensional frame seem more like three dimensions to the audience?
Create a sense of depth in the frame.
How can the cinematographer achieve deep focus for a shot?
By setting the lens to it’s hyperfocal distance at the shooting aperture.
The critical plane of focus changes when you ______.
tilt the camera down.
When alternately mounted on the same camera, the angle of view for a 15mm lens is in effect ______________ than that of a 200mm lens.
Wider
Shallow depth of field _____________.
is easier to achieve with a longer focal length lens.
A camera with a very small sensor will have a ____________ angle of view with a 15mm lens, compared to a large sensor camera with the exact same lens.
Narrower
Depth of field is affected by_____________.
the focal length of the lens; how close you are focusing the lens.
Lens flare is to be avoided at all times due to the damage it can cause to the camera’s sensor.
False
The image circle of a lens ___________.
will cause a vignette if it is too small for the camera’s sensor.
To squeeze an image during production for use in a 2.39:1 screen format, the cinematographer would use ______________
an anamorphic lens.
A tilt/shift lens can be used to ___________.
keep the vertical lines of a building square with your camera frame.
A long telephoto lens has the following effects when capturing an image.
The background appears closer than it is. Compresses space.
Racking focus can best be defined as _________.
changing focus to a different subject during a shot.
What color relationships are most important to the cinematographer in achieving a neutral white balance?
Blue/orange and green/magenta
The positioning of the lens height to the subject ____________________-.
should be dependent on the impact it will have on the story.
Which of the following is untrue about lens bokeh?
It is the same thing as lens flare and lowers the contrast of your image.
