jim sink Posted July 10, 2011 Share #1 Posted July 10, 2011 Advertisement (gone after registration) Can I find a way to shoot B&W DNG with my M9 ? When I set the Saturation for B&W and then select DNG+JPEG my DNG when opened is a color image. I want to end up with a B&W DNG (RAW) image. HELP !!! Link to post Share on other sites More sharing options...
Advertisement Posted July 10, 2011 Posted July 10, 2011 Hi jim sink, Take a look here B&W DNG ???. I'm sure you'll find what you were looking for!
jaapv Posted July 10, 2011 Share #2 Posted July 10, 2011 Impossible DNG is à raw format so it contains all information including color. Black and white is created in postprocessing or the in-camera JPG Link to post Share on other sites More sharing options...
jim sink Posted July 10, 2011 Author Share #3 Posted July 10, 2011 Thanks, makes sense but I can shoot Raw B&W with my Canon bodies and thats why I was wondering if I could do it with my M9. Thanks Link to post Share on other sites More sharing options...
Keith (M) Posted July 10, 2011 Share #4 Posted July 10, 2011 Thanks, makes sense but I can shoot Raw B&W with my Canon bodies and thats why I was wondering if I could do it with my M9.Thanks Err, no. If it is raw ( .cr2), it has all of the colour information embedded. At least on my 5D MkII, even if it is set to RAW only and picture Style = Monochrome, whilst the image as viewed on the Canon lcd is monochrome but when imported into LR, it is in colour. If you need b&w straight from the Canon, it needs to be set to raw+jpeg. Similarly from the M9, to download an image already converted to b&w, you would need to set the camera to raw+jpeg, otherwise (as Jaap has written) convert the raw file in post-processing. Link to post Share on other sites More sharing options...
mjh Posted July 10, 2011 Share #5 Posted July 10, 2011 Thanks, makes sense but I can shoot Raw B&W with my Canon bodies and thats why I was wondering if I could do it with my M9. There is no such thing as a b&w raw file unless the sensor is b&w to begin with – which neither the sensor of any Canon DSLR nor that of the M9 is. Link to post Share on other sites More sharing options...
adan Posted July 11, 2011 Share #6 Posted July 11, 2011 Well, technically speaking, all RAW files are 16-bit grayscale if they are REALLY raw (prior to being deBayerized in a raw development program). They are pure luminance (brightness, gray-scale) data, for each pixel, until they are processed to create chroma by sampling neighboring pixels for THEIR brightness data and then factoring in which pixels received which color light. Problem is that a) there is a strong checkerboard pattern overlaying the pixels (the shadow of the Bayer pattern color filters), and one has to strip off a lot of "packaging" metadata to see the basic underlying pixel array. One would have to be a skilled code surgeon, with specialized software, to strip away the packaging and get down to the actual pixel data, which would look something like this if it could be opened directly (checkerboard Bayer pattern grossly scaled up for visibility): Link to post Share on other sites More sharing options...
djsteb Posted July 11, 2011 Share #7 Posted July 11, 2011 Advertisement (gone after registration) Well, technically speaking, all RAW files are 16-bit grayscale if they are REALLY raw (prior to being deBayerized in a raw development program). They are pure luminance (brightness, gray-scale) data, for each pixel, until they are processed to create chroma by sampling neighboring pixels for THEIR brightness data and then factoring in which pixels received which color light. Problem is that a) there is a strong checkerboard pattern overlaying the pixels (the shadow of the Bayer pattern color filters), and one has to strip off a lot of "packaging" metadata to see the basic underlying pixel array. One would have to be a skilled code surgeon, with specialized software, to strip away the packaging and get down to the actual pixel data, which would look something like this if it could be opened directly (checkerboard Bayer pattern grossly scaled up for visibility): That told 'em ! ! Nice one Andy David Link to post Share on other sites More sharing options...
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