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In this course, photographer and scanning expert Taz Tally describes how to use the LaserSoft Imaging SilverFast software to scan photos, line art, film negatives, and other printed documents, while getting the highest quality scans possible from your scanner. The course begins with an overview of SilverFast, then takes a task-oriented look at the SilverFast automatic and manual scanning modes, showing numerous scanning projects from start to finish. The course also explores a variety of specialized scanning topics, such as removing color casts and scratches, High Dynamic Range (HDR) scanning, and wet scanning.
In this segment, I'd like to talk about matching your scan frame--the red frame that we see here--which defines the area of the image that we're actually going to be scanning, with the output frame or the output dimensions in which you're actually going to be viewing or printing your image. To do this, let's try two different output tasks. Let's start with Presentation first. And notice that Presentation provides us with a couple of different standards: Standard TV, HD Ready, Full HD. Let's go look at those choices. We'll go to Presentation, and we'll click our Start to do our pre-scan.
We don't need to do another. We've already got that done here. And notice when we choose Standard TV it provides us with the frame that has those proportions. When we select either HD Ready or Full HD, there's different numbers of pixels that will be selected, but the dimensional proportions are the same. Notice that it gets narrower. Let's just take a quick look. There is Standard TV, which is 4x3 format, and then the HD Ready that you see here. And by scanning for a particular output device--which is what we're doing here-- this is very handy, you can see that this image doesn't match up very well with a particular format.
So in this case, if you knew you were going to a high definition TV with this image, we would take the frame--and remember when we check this check box on, whenever we adjust our scan frame, the proportions remain the same. So if we were to scan this image for viewing on HD TV, that would be it. That's the dimension that we can actually capture for that image. So it's very, very handy to be able to that. Notice if we were going to view this on a standard TV, we can actually probably see a little bit more of the image when we enlarge it like this.
Now, if you indeed wanted to see the entire image on one of these formats, what you'd have to do is scan more of the background in order to fit more of that image in there. And you could plan to do that and then add more to the background later on if you wanted to, but it's very handy to have the proportions of the output device that you're going to. This has been a continual problem historically, for instance, when we work with print. Let's back up and let's go to our Print output task and let's restart the process.
And notice that what we get down here is some other presets. And let's choose the 5.0" x 7.0", for instance, and we'll fix the scan frame to the output. And we see that in this case the 5.0" x 7.0" works pretty well, because this is indeed a 5.0" x 7.0" image. So we could scan a 5.0" x 7.0" and print a 5.0" x 7.0", no problem. But what if we intended to output this at 4.0" x 6.00" instead of 5.0" x 7.00"? It's going to be card size. Now, again, if we have our check box checked on, that means that our proportions are going to remain the same, the 4.0" x 6.00" proportions.
Then this allows us to adjust our scan frame to match exactly that 4.0" x 6.0". So instead of having the edge of her face cut off, for instance, we can move this over to make sure we get all of her face and most of her hair. We can choose what we want to lose, a little bit of the hat or a little bit of her neck, we'd probably want to do something like this. So that way we know that all of what's going to be in that scan frame is actually going to print when we finally go to our final print output devices. So there is very often a disparity between what the dimensions of our original image is and the output dimensions and proportions of our final output device.
We run into this in photography all the time, because a standard photographic camera uses a 4x3 capture frame, but we output to all sorts of different proportions and dimensions, so we often end up having to crop our images. Here we can actually pre-crop during the scan. So this is a very useful feature to be able to do this. And at any rate, you'll always want to keep that in mind whenever you're capturing image, whether it's with the scanner or a digital camera, to always capture enough of the image if you know that you're going to have to crop going to your final output device. So there's matching your scan frame on input to your print or viewing frame for output.
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