You can do this by aligning all three channels to meet directly where they touch the bottom of the scale. I never bother to use this for the actual white and black point, but rather to get the scan as nuetral as possible. From there you can use your mouse to move the three colored triangles for both the white and dark points. From there, set the film base color for all three, red, green, and blue, to zero. Once complete, go to the "Preview Hist." view, and the color tab. Down below that, you'll want to check "Lock film base color", and "Lock image color", so you'll have more control over the histogram and within the color options tab.Īfter setting these options, you should be fine to do the preview scan. "Exposure clipping" I always keep at zero, which is probably best. This will give you more options and control. If it isn't "1", you'll need to set it to that value. After doing so, the box below "RGB exposure" will have a value in it. This is where it gets important! Go down and set the "Lock Exposure" option. You may benefit slightly from them on a poor (very poor) exposure, but they are generally not needed, and can cause softening of the image. I'd leave the number of passes at one, and not use the long pass option. Set it for the highest bit depth available, but you will not benefit from the RGBI setting (though I don't think the Dimage has an infrared channel, so that option wouldn't likely appear). Set the optical resolution/pixels to the highest the scanner is rated for optically, as apposed to having it interpolate the data. It makes a difference! Set to "slide film" as apposed to "image". The scanner and Vuescan will utilize every ounce of their potential when in this mode. I honestly do not recall the source of this information, would not be surprised if it is from a fellow RFF member I apologize for not being able to give credit to the authorįirst off, it is better to scan your black and white, or color negs, as slides.
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