PCC Photography Camera RAW Test Questions
and Answers
Save
Terms in this set (29)
· Light strikes each photosite
· Measures how much light hits each site
-A lot of photons hitting something will lose a lot of
What happens when you power
capture a RAW image? · Signal is amplified through the amplifier
-Weak signal initially
-Information comes to photosites, then goes to
amplifier
1. Will look at information on each photosite
What does an analog to and willturn fluctuation of electricity into 1's and 0's
digital converter do? (data)
2. Converts data into a string of 12 or 14 1's and 0's
(digital word)
What value will an analog
to digital converter use
with a 14 bit converter?
What value will an analog A value between 0 and 4096
to digital converter use
with a 12 bit converter?
1. Nothing is changed or deleted
What is a RAW image?
2.Purest form possible of data
, 1. RAW does not magically make your image sharper
2. Will probably not look as good as JPG right
off thebat
What RAW is not
3.RAW just gives more editing capabilities
-Average consumer doesn't understand this kind of
file
1. For a digital negative
2.Editable white balance
3.Highlight recovery
Why use RAW?
4.More editing freedom
6. Batch processing
7.Nondestructive editing
1. RAW use more storage
Downsides of RAW 2. Others may not be able to read your files
3.More complicated workflow
1. Fully editable white balance with RAW
2.RAW saves your white balance settings along with
Characteristics of editable
the file
white balance
3.A JPG removes the color and rewrites file it ends up
with to match white
1. If you lost detail (highlights), it may be
able torecover that detail
2.If you have all 3 (red, green, blue) channels, if you
still have detail in 1/3 of the channels, you can regain
the detail
Characteristics of highlight
3.If you have overexposed all 3 channels, you cannot
recovery?
recover those lost details
4.For example, if you have an image of sky and
clouds, and they are overexposed, but if there's still
detail in the red/green channels, then you can recover
and fix the exposure
and Answers
Save
Terms in this set (29)
· Light strikes each photosite
· Measures how much light hits each site
-A lot of photons hitting something will lose a lot of
What happens when you power
capture a RAW image? · Signal is amplified through the amplifier
-Weak signal initially
-Information comes to photosites, then goes to
amplifier
1. Will look at information on each photosite
What does an analog to and willturn fluctuation of electricity into 1's and 0's
digital converter do? (data)
2. Converts data into a string of 12 or 14 1's and 0's
(digital word)
What value will an analog
to digital converter use
with a 14 bit converter?
What value will an analog A value between 0 and 4096
to digital converter use
with a 12 bit converter?
1. Nothing is changed or deleted
What is a RAW image?
2.Purest form possible of data
, 1. RAW does not magically make your image sharper
2. Will probably not look as good as JPG right
off thebat
What RAW is not
3.RAW just gives more editing capabilities
-Average consumer doesn't understand this kind of
file
1. For a digital negative
2.Editable white balance
3.Highlight recovery
Why use RAW?
4.More editing freedom
6. Batch processing
7.Nondestructive editing
1. RAW use more storage
Downsides of RAW 2. Others may not be able to read your files
3.More complicated workflow
1. Fully editable white balance with RAW
2.RAW saves your white balance settings along with
Characteristics of editable
the file
white balance
3.A JPG removes the color and rewrites file it ends up
with to match white
1. If you lost detail (highlights), it may be
able torecover that detail
2.If you have all 3 (red, green, blue) channels, if you
still have detail in 1/3 of the channels, you can regain
the detail
Characteristics of highlight
3.If you have overexposed all 3 channels, you cannot
recovery?
recover those lost details
4.For example, if you have an image of sky and
clouds, and they are overexposed, but if there's still
detail in the red/green channels, then you can recover
and fix the exposure
