We felt we had the best results with a setting of about Not so the PhotoSmart! It turned out that light reflections inside the scanner caused the feed rollers to cast shadows on portions of the print under them. Supported Film Types One of the things we’ve learned in playing with film scanners is just how strange color negative film is! Still, we found the S20’s software controls both powerful and very easy to use: This often means stretching the tonal values so that they cover the full brightness range.

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The one I purchased hewleht about 9 years old and had obviously gotten a lot of use. In general, to get good-looking photos, you want each shot to take full advantage of the available range of digital brightness values, ranging from 0 to Take a look at the test images from the PhotoSmart S20 Scannerdownload them, print them out, see if the scanner meets your needs! The only feeding problem we had was with some very thick, glass-windowed slide mounts, which the feed rollers had a hard time gripping.

Overall, we were very surprised by how good a job the default exposure settings did at maximizing the tonal range of scanned images, and thereby the overall image quality. So what’s the use of this? You can view the histograms for different color channels separately, although you must work back and fjlm between the Exposure and Color control panels to make adjustments in the individual channels.

To handle subjects of this sort, HP includes a carrier jacket with a clear Scannet overlay. The new software lets you make Image Adjustment settings for multiple frames of a film strip, and then shift-click to select all the frames for “batch” scanning. The trick is to know when to stop stretching, so you don’t lose detail at either end of the range.

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HP PhotoSmart S20 Photo Scanner – video dailymotion

Message 7 of 8. They’re a good compromise between providing the control needed to do useful work, but not burdening the user with unnecessary complexity.

By contrast, the sensors in most digital cameras are “striped” with color filters, so that only one out of every three sensor pixels is assigned to a given color. Pity anough I don’t have the sotware for the S20 anymore.

Filters are stored under names you give them, appearing in the “Filters” menu. This compact and convenient PhotoSmart film scanner ;hotosmart you make exact alterations with its histogram, densitometer, and clipping alarm tools.

Hewlett-Packard S20 PhotoSmart Film Scanners

Well, first of all, it can very quickly tell you if your exposure is high or low overall: The PhotoSmart Scanner handles essentially any form of 35mm photographic media, scanning images from prints, slides, and black and white or color negatives. I have an old laptop computer with Windows XP, and downloaded a newer program to run it. Thus, peaks scanned the histogram correspond to scamner areas of similar tone or color, while areas where the graph is close to zero mean that little of the image contains corresponding brightness values.

The screen shot at right is from an image that was a bit bright overall, with no really dark shadows. Likewise, the right-hand exclamation-point button highlights in red all the parts of the image that have been pushed all the way to “white” I upgraded to Windows 8. The default settings for all scan types slides, negatives, and prints almost always produced excellent images right off the bat. Bought used, easy to set up and learning curve is fairly easy. The scanner needs to be calibrated when it is first set up, whenever it is moved between computers, or whenever the software indicates calibration is needed, via a message displayed on-screen.

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The PhotoSmart Scanner calibrates itself automatically when scanning slides and negatives, but requires a separate calibration procedure for print scanning.

Note how much longer the processing took for the larger image! This worked well for us, and should be more than enough to compensate for most mis-mounted slides. Their software works across many older devices and your Photosmart S20 was listedand just might work on Windows 8. In the previous shot of the histogram window, you may have noticed the exclamation points at the two ends of the curve. Overall color is manipulated by the control panel shown at right.

From left to right, these icons provide the opportunity to adjust Exposure, Color, Rotation, Size, Sharpness, or view a Histogram of the photo’s brightness values.

Residual specks can be eliminated with special software. The result was that the calibration routine adjusted the shadow brightness up a tad wherever there’s a feed roller. Disconnect the scanner then reconnect packrad run the PhotoSmart program the scanner should now work. We found this to be good advice indeed, as the effect of the midtone slider was pretty profound, dramatically affecting the overall exposure.