<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/93044d70-3b61-49b7-87b0-da39747b8129/045246D0-A3BA-4CDC-80DB-D9FC0B4ED512/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.dpchallenge.com/tutorial.php?TUTORIAL_ID=43" href="http://www.dpchallenge.com/tutorial.php?TUTORIAL_ID=43" style="font-size: 11px;">www.dpchallenge.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dpchallenge.com/tutorial.php?TUTORIAL_ID=43"><H2 class="western">Method 2: Channel Mixer</H2></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dpchallenge.com/tutorial.php?TUTORIAL_ID=43"><P align="left"> <IMG height="300" align="right" width="200" src="http://www.dpchallenge.com/tutorial/43/images/channel_mixer.jpg" />The Channel Mixer is one of the simplest, yet controllable, methods of converting to B&W. Working with our same unaltered RAW image again, I'll apply a Channel Mixer to the image for a one pass B&W conversion. Click Layer &gt; New Adjustment Layer &gt; Channel Mixer. Gimp users can use Filter &gt; Color &gt; Channel Mixer.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dpchallenge.com/tutorial.php?TUTORIAL_ID=43"><P>Once you have clicked the above command, a dialog box pops up with Four Sliders. You will also see a check box at the bottom that says monochrome. Since we want to do a B&W image, check that box. The image should turn gray. Now let's tweak it. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dpchallenge.com/tutorial.php?TUTORIAL_ID=43"><P>A general rule is that these boxes should add up to around 100%. That rule was meant to be broken. With this image, for example, to achieve the contrast I like, the numbers are coming up at 134%. The more over 100% the numbers are the more overall brightness the image will have.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dpchallenge.com/tutorial.php?TUTORIAL_ID=43"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.dpchallenge.com/img/5CA99289-2FCD-47EA-AE47-0AE0BC5CF810" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dpchallenge.com/tutorial.php?TUTORIAL_ID=43"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.dpchallenge.com/img/99238FC7-1EDB-4A8B-B208-56B7B96F0093" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dpchallenge.com/tutorial.php?TUTORIAL_ID=43"><P>Notice how much more contrast this image has than the simple desaturation method. It looks more like the output of B&W film. </P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/045246D0-A3BA-4CDC-80DB-D9FC0B4ED512/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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