LOSSY VERSUS LOSSLESS

Find the list of characteristics for each file type and answer the following questions:

What are three advantages of a RAW file:

* exactly 8-bits per color (12-bits per location).
• compressed (by looking for redundancy in the data like a ZIP file or stripping out what human can’t perceive like a MP3).
• fairly small in file size (an 8 megapixel camera will produce JPEG between 1 and 3 MB’s in size).

What is one disadvantage of a RAW file: 

not as sharp

What are three advantages of a JPEG file:

higher in contrast.
• sharper.
• immediately suitable for printing, sharing, or posting on the Web.

What is one disadvantage of a JPEG file:

• lower in dynamic range.

1. Under the first heading "Capturing the Images," how much of the data does a RAW file retain after it is captured by the camera?

it doesn’t process the photo within the camera, it captures all the data and retains it then once on the computer it then compresses it.

 

2. Under the second heading "Processing the Files," what are some of the things that a RAW file enables a photographer to edit after the image is taken?

you can edit it to change it the way you want and change it a jpeg after you are done.

 

 

3. Under the third heading "Practicalities," what are some of the factors that photographers must consider when deciding to shoot in RAW?

you have to make sure you have enough memory on your memory cards and you can convert your RAW to JPEG but not the other way.

 

4. Under the fourth heading "Which one is for you?" why would an aspiring professional photographer need to know how to work with RAW files?

if you want to be a professional photographer then RAW is a good way to start because it allows more flexibility and processing options.