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Worksheets7 - How a Camera Sees
Total questions: 13
Worksheet time: 7mins
What collects and records the exact amount of light that falls onto it?
The sensor
The aperture
The memory card
What type of light is incident light?
Direct light from the source
Reflected light
What is reflected light?
Light that bounces off an object.
Direct light that is straight from the source.
What focuses light precisely on the sensor so that a sharp image can be achieved?
The lens
The aperture
The shutter
What two controls work like a faucet to adjust the amount of photons (light) reaching the sensor?
The aperture and shutter
The aperture and lens
The shutter and memory card
The lens
What control is pushed on a camera to open the aperture allowing photons (light) to fall on the sensor?
The shutter button
The aperture button
The memory card button
What does the camera write to after it has analyzed light and produced an image?
The memory card
RGB Color Profile
The shutter button
On each pixel there are 4 photosites with a color over each one.
What color combination on each cluster comprises (makes up) one pixel in the final photo?
(Hint) What are the 4 square colors with the red circle on them
1 red, 2 green, 1 blue
1 red, 1 green, 1 blue, 1 yellow
2 red and 2 green
Why are there 2 greens and only 1 red and 1 blue for each pixel?
It is to replicate the way our human eyes see color.
It is to produce better looking photos for nature since there is more green in nature.
With the RGB color process for light, what colors produce the color pure white?
All colors combined
Green and blue
Red and blue
If there are no photons (light) recorded by a photosite (pixel) it will be rendered (shown) as black in the image.
What photographic term is used to describe this black area with no light recorded?
Underexposed
Overexposed
Perfect exposure
If photosites are filled to capacity, those areas will be recorded as white in the photo.
What photographic term is used to describe this white area if should have had some detail recorded?
Overexposed
Underexposed
Perfect Exposure
xIt is always better it be a little too dark (underexposed), than to be too light (overexposed).
That is because it is easier to fix a photo if it is slightly underexposed (dark) than if it is overexposed (too bright).
True
False
