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Collimated light produces sharper looking scans (whereas diffuse light will produce softer scans).To the naked eye, it appeared to be even lighting, but by taking a photo the led table directly (and then added contrast to approximate the contrast during a negative conversion process), you can see it is terribly uneven!Ĭollimated-vs-diffused-light-rays 1142×562 55.5 KBĬollimated light has two effects when DSLR scanning a film negative: Here’s a look at a Portra-Trace LED light table that was giving a users poor results.
#Kodak capture pro light 10 light 40 professional
In my experience, it is very difficult to get perfectly even illumination if you are not using a professional LED light table solution (for example, a home-built led table, flash setup, old tungsten light table, etc)Įven pre-built setups can have some issues… Using a Kaiser Slimlite Plano, I’ve never had any issues with even illumination, and the results are the same every time. Also, there are things you can do in your set up to help with this. You want Even Illumination and Predictable Results I haven’t seen too much written about this outside the private Negative Lab Pro users facebook group, but examples of seen are extremely compelling.ģ.
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The ideal solution to this is to have a light source that produces distinct, narrow bands of red, green and blue light, that are in a similar range to photo paper spectral sensitivity. Spectral-sensitivity-curves 1428×1124 123 KBīasically, all this means that modern digital camera sensors will pick up more interference with the orange mask than photo paper would.