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In Adobe® Photoshop® there are many ways to convert
an image to black & white. When you can, you should
use adjustment layers. Adjustment layers allow you to make
a change and modify it later without affecting the integrity
of the original file. The steps below illustrate 3 common
ways for black & white conversion. Experiment and see
which method works best for you.
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1) Open an image in PhotoShop
2) In the top navigation bar choose 'Image', then
'Adjustments', then 'Desaturate'.
This will eliminate all color from the image.
It is the easiest way to make a black & white
but not necessarily the recommended process for
optimal results. |
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1) Open an image in PhotoShop
2) In your Layers palette click on the New Adjustment
Layer icon 
3) Choose 'Channel Mixer'
4) In the Channel Mixer window:
- a) Click 'Monochrome'
- b) Change the Red Source Channel to 70 either
by typing in the number or dragging the slider
bar to the right.
- Change the Green to 22
- Change the Blue to 8.
These are general settings for portraits. You
can experiment changing the percentages. The
total of all combined should always equal 100.
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1) Open an image in PhotoShop
2) In the tool bar choose 'Image', then 'Mode',
then 'Lab Color'
3) In the Channels window ('Window', 'Channels')
click on the Lightness Channel
4) In the tool bar choose 'Image', then 'Mode',
then 'Grayscale'
5) A window will pop up to Discard other
channels, click 'OK'.
6) In the tool bar choose 'Image', 'Mode, 'RGB
Color'
This method will give you the snappiest results.
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