Assign the profile your new IT8 scan and evaluate the RGB values.In Vuescan, adjust your RGB Exposure value by +/-0.05 from the initial value you wrote down.If your RGB values are not within the 240-250 range, repeat the process. Increasing your IT8 scan to the highest exposure before clipping will produce the most shadow detail.ĥ.

It is important that your IT8 scan is exposed properly.Values under 240 can cause the target to be under exposed. The ICC Profile for Adobe 1998 RGB, used in this example, can be found here on Adobes site (Windows, Mac and Linux versions). Values closer to 255 are too high, and will cause highlight clipping. The RGB values should be within the 240-250 range.Click in the middle of the first white box to determine the RGB values.you restart Photoshop, you open a photo then open the Custom proofing window. Select the Eyedropper Color Sampler Tool You get ICC profiles from the lab, install them, then cant find them.Save as a copy, and create a new icc profile with this file. Zoom into the bottom left corner of the chart 'For example, if your results with the profile show a green cast: open the target scan in Photoshop, start a curve dialogue, and do a simple pull of the midpoint of the green curve, to make it brighter, say from 118 to 138.In Photoshops menus, under the Edit menu, select Profile In the Profile. To evaluate your IT8 target scan and determine if the RGB Exposure in Vuescan is correct, we will examine the first white box in the gradient at the bottom of the chart. In Photoshops preferences, under the File menu, select Profile Manager.Select Profile – Find the ICC profile you created By creating custom profiles, users can color correct for the exact paper, print cartridges, and printer that they are using.Open Photoshop, and open your IT8 film target scan This will allow you to evaluate your initial IT8 target scan and determine if you need to adjust the RGB Exposure in Vuescan when scanning.ġ. Here we are going to assign the ICC profile you created to the IT8 film target you scanned.

Photoshop Icc Profile Editor