Some photographers confuse color depth with color gamut. For example, 8 bits can represent up to 256 shades (or, 2^8) of a given primary color. So, the definition of bit depth is the number of bits used by each color component to represent a pixel. That is why any integer between 0-255 is considered “8 bit” it can be represented within eight binary digits. Now, when I try to convert the next decimal, 256, I would get 100000000, which is a 9 digit binary number. When I convert 255 into binary, I get 11111111, which is eight digits long. Let us consider the largest number that represents red, which is 255. Any non-primary colors are represented by a combination of the primary colors, such as “255, 100, 150” for a particular shade of pink. In digital photography, each primary color (red, green or blue) is represented by an integer between 0 and 255. For example, pure red is represented with the numbers “255, 0, 0.” Pure green is 0, 255, 0, and pure blue is 0, 0, 255. It is for this reason that bit depth is also known as color depth. One such combination is used per pixel, and millions of pixels make an image. Specifically, any color in digital imaging is represented by a combination of red, green, and blue shades. Most of us are aware of the fact that pixels are basic elements of any image.
You are now back to the export selected tab. Now go to the bottom right and click on "select as output directory" the box will now close click and drill into them until you select your directory On the far left options are you drives, click (say) C:\ Now in the middle section are the directories.
On the next line, underneath the "file on disk" there is a little box, Click this and a big box will open allowing you to select the destination. Target storage, On the triangle to the left of this heading click and select "file on disk"
On the right hand side look for the "export selected" heading, there is a small triangle on the left of the text, click this and the export tab will open
In lightable click on the image(s) you want to export.
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