I Dare You!

by peter_budo

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This technique is called Selective color. Sometimes, you select a point (in this case, somewhere on the CD-R case), and the region around that point that is close enough to the same color retains its color, while the rest of the picture becomes black and white. Other times, as you mention, you can select a color and a tolerance, or a range of colors, and ...


It's not clear why you are asking, but the question strongly hints what you are trying to do isn't the way to solve the problem. It's been many years since I last worked with lith film. I have used it for exposure masks for other photolithographic processes like making circuit boards and silk screening T shirts. In all cases I experimented with the ...


You don't need to go to the extremes of attempting your own demosaicing, doing so would be a lot of work for no real benefit — all good raw converters use an algorithm that attempts to identify and exploit regions where the hue doesn't change in order to maximise the amount of detail recovered. In any case unless you are reproducing images at 1:1 ...


The filter you're thinking of is a Wratten #90. They used to come as gels, so you'd have to get a gel holder or just hold it and operate the camera one-handed. (Or just hold it in front of your face and don't bother with the camera.) Both of your cameras have a mode that desaturates the image before storage, which would let you chimp it on the LCD after ...


Record Menu -> Photo Style -> Standard (Change from Monochrome) Can be seen here: http://www.dpreview.com/reviews/panasonicdmcgf3/5


Higher tech solutions :-): It requires extra equipment and cost, but any camera that provides live view (or even post-view) video output can be used to drive an external monitor of your choice. You could use this facility to either drive a monochrome display or a colour display that is able to desaturate the image. I have not (yet) done this with a DSLR ...

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