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<blockquote data-quote="gohan2091" data-source="post: 202343" data-attributes="member: 11990"><a href="http://nikonites.com/member-12496-waynef.html" target="_blank">WayneF</a>, I hadn't thought about separating the histogram into Red, Green and Blue channels. I use Lightroom to edit my photos so how do I split the histogram into the 3 channels of colour? Do you know? What can I do if my red channel is too hot? (Both when I am shooting and in post-production) Just lower the exposure? By the way, the link you posted appears to be broken.I shoot in RAW, I don't ever shoot in JPEG. I think I was looking at the complete histogram on the back of the camera. I am starting to see that perhaps I should inspect each channel's histogram. I shall keep this in mind! I was using both the camera and flash in manual mode. At the time, I was unaware my D7100 could act as a commander TTL. I used the flash on my D7100 to trigger the SB-700 off camera and used a Aokatec A-N1 IR Panel so the pop-up flash didn't add to the exposure. The umbrella was configured as a shoot-through and I didn't know there was a hotspot at the centre, perhaps this would explain it. I do appreciate your replies Wayne, you seem to be really knowledgeable!</blockquote>

[QUOTE="gohan2091, post: 202343, member: 11990"] [URL="http://nikonites.com/member-12496-waynef.html"][B]WayneF[/B][/URL], I hadn't thought about separating the histogram into Red, Green and Blue channels. I use Lightroom to edit my photos so how do I split the histogram into the 3 channels of colour? Do you know? What can I do if my red channel is too hot? (Both when I am shooting and in post-production) Just lower the exposure? By the way, the link you posted appears to be broken. I shoot in RAW, I don't ever shoot in JPEG. I think I was looking at the complete histogram on the back of the camera. I am starting to see that perhaps I should inspect each channel's histogram. I shall keep this in mind! I was using both the camera and flash in manual mode. At the time, I was unaware my D7100 could act as a commander TTL. I used the flash on my D7100 to trigger the SB-700 off camera and used a Aokatec A-N1 IR Panel so the pop-up flash didn't add to the exposure. The umbrella was configured as a shoot-through and I didn't know there was a hotspot at the centre, perhaps this would explain it. I do appreciate your replies Wayne, you seem to be really knowledgeable! [/QUOTE]

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