..
which make up the color image. Each
My initial diagnosis of this picture
see three alternative interpretations of
image is different. Looking at the
is that the Green channel produces the
the photograph. There are times when
examples below, the Blue channel
best overall conversion, but the face
this completely changes how you
picture shows the man's face is very
works better with the Red channel, so
initially intended to compose your black足
dark in that channel, while the
I need a second adjustment layer. In
and-white image. I don't pretend looping
background and his vest are very bright.
other words, before you add an
through the channels is a magic bullet,
That would be their appearance in the
adjustment layer to make the image
but try it and see if your results improve.
final black-and-white image if you
black and white, the Ctrl/O+ 1-3 cycle
stressed the Blue channel in your
tells you which sliders you may want to
conversion. During this process you are
adjust, and whether you might need to
looking at specific details within the
make some selective mono conversions
photograph. Pressing Ctr1/0+2 for
with extra adjustment layers.
Green makes the vest look dark, making
The second reason for this cycle is
the lettering stand out, and tones down
far less tangible. Seeing the three
the background, while Ctr1/0+1 for Red
channels' individual black-and-white
produces the brightest facial detail.
representations is a really quick way to
Green: Ctrl/0+2
Blue: Ctr1/0+3