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Scanner location

From: Scanning Techniques for Photography, Art, and Design

Video: Scanner location

Let's discuss the features of a good scanning location. The two things we want to emphasize is maintaining high image quality and having an efficient scanning workflow. First and foremost we want a good flat, stable surface, and this is particularly important if you're working with a flatbed scanner that has large scanning elements that move back and forth, the scanner tends to move a little bit and if your surface is moving, that in turn moves the scanner and you end up with lower quality scans. Secondly, and this is so important, so many people don't do this. Have a large enough scanning surface for staging your whole scanning workflow, particularly your images that most of your surface should be of your images, the scanner is going to take up relatively small portion of this.

Scanner location

Let's discuss the features of a good scanning location. The two things we want to emphasize is maintaining high image quality and having an efficient scanning workflow. First and foremost we want a good flat, stable surface, and this is particularly important if you're working with a flatbed scanner that has large scanning elements that move back and forth, the scanner tends to move a little bit and if your surface is moving, that in turn moves the scanner and you end up with lower quality scans. Secondly, and this is so important, so many people don't do this. Have a large enough scanning surface for staging your whole scanning workflow, particularly your images that most of your surface should be of your images, the scanner is going to take up relatively small portion of this.

Can't tell you the number of times I see people put their scanners on their roll-around carts which are not stable to begin with, but there's no place to stage and manage your scanned images. So give yourself some room here to move out and dedicate that space for your scanning. Third, and this maybe the most important thing of all. You want to work in a dust-free environment. The first thing to make sure that happens is, work on a solid surface. No cloth, I don't care how bad you think the surface looks, and this one looks pretty good, but no cloth because cloth gets static electricity and static electricity attracts dust like nobody's business.

And particularly when you are working with film, you can put that film down on that cloth surface, boom, the dust jumps on that film and that's it. That's all she wrote in terms of your scanning efficiency workflow because you can spend lots of time to clean off that dust and you never get it all and then when you get it on your scanner it's still going to be there. All right, so if we want to work in a dust-free environment the first thing is no cloth, secondly, we want to avoid moving air. Things like manufacturing and shipping environments where a lot of dust is generated, you want to stay away from heating and air-conditioning vents, doorways, open windows.

It's really even worth installing air filter. They are very inexpensive and they can really keep the dust away from your scanned images. I want to emphasize this whole thing about dust. When you take dust and it gets into your scanner or it gets on your images, when you scan it, the scanning process is actually going to magnify the impact of that dust. Particularly if you are starting with a small piece of film like a 35 millimeter slide or 120 film, you have to magnify that a lot in order to get up to a useful size. 35 millimeter, to 5x7 or 8x10. You are not just magnifying the image, you are magnifying the dust and then when you go to apply Unsharp Mask, what does Unsharp Mask do? It enhances high contrast edges.

What is a piece of dust? The dust is a high contrast edge. So the process of sharpening your image actually exacerbates the impact of that dust. So avoid at all cost. Another issue that you want to address is constant temperature. You want to keep your scanner away from heater and air-conditioning vents and open windows, any place where you've got a lot of change in temperature. Certainly stay away from south-facing windows. north-facing windows are okay, but stay away from south facing windows where you can have temperature changes of 40 or 50 degrees. The reason for this is that your scanner changes it.

How it performs changes with temperature and if you are calibrating your scanner which you want to do, you calibrate it in the morning when it's cool and then by mid afternoon it's 40 degrees warmer in the scanner, your calibration is gone and the consistency of your scans have changed, all right, completely dissolved. All right, so just a review, for your scan location, good flat, stable surface, adequate dimension, nice and clean, no dust, constant temperature. These are the keys to setting up your scanner for high-quality efficient scanned workflows.

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This video is part of

Image for Scanning Techniques for Photography, Art, and Design
Scanning Techniques for Photography, Art, and Design

58 video lessons · 8296 viewers

Taz Tally
Author

 
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  1. 6m 48s
    1. Welcome
      1m 11s
    2. What you should know before watching this course
      3m 54s
    3. Using the exercise files
      1m 43s
  2. 1h 0m
    1. Scanners and digital cameras
      3m 6s
    2. Types of scanners
      5m 2s
    3. Scanner location
      3m 19s
    4. What scanners and digital cameras create
      7m 22s
    5. Understanding grayscale values and channels
      3m 19s
    6. Understanding pixels and vectors
      4m 1s
    7. Choosing pixels or vectors
      2m 27s
    8. Resolving resolution
      6m 32s
    9. Working with interpolation
      3m 31s
    10. Understanding the effects of compression
      2m 4s
    11. Evaluating and correcting images with histograms
      8m 26s
    12. Saving to different file formats
      7m 4s
    13. Color management
      4m 23s
  3. 33m 22s
    1. Cleaning your scanner
      7m 31s
    2. Cleaning your images
      7m 47s
    3. Calibrating your scanner
      9m 13s
    4. Creating and applying a color management profile
      8m 51s
  4. 20m 55s
    1. Evaluating your scan challenges
      9m 46s
    2. Reproducing vs. assigning colors
      6m 20s
    3. Recognizing continuous tone (contone) vs. dot pattern images
      4m 49s
  5. 36m 32s
    1. Understanding bit depth
      8m 49s
    2. Selecting a scan mode
      8m 20s
    3. Sharpening and its effects
      10m 40s
    4. Creating and assigning color management profiles
      8m 43s
  6. 2h 25m
    1. Taking the Tazmanian Oath!
      3m 38s
    2. Choosing your weapon
      4m 2s
    3. Setting up your scanning preferences
      12m 14s
    4. Performing a prescan
      2m 53s
    5. Assigning a scan frame
      5m 40s
    6. Determining scan resolution
      7m 57s
    7. Choosing a scan mode and bit depth
      5m 53s
    8. Naming images
      1m 49s
    9. Scanning simple logos and line art
      12m 21s
    10. Scanning complex line art
      7m 33s
    11. Scanning grayscale contones
      13m 22s
    12. Scanning color contones
      13m 54s
    13. Sharpening
      9m 39s
    14. Scanning printed/screened or patterned images
      7m 1s
    15. Scanning positive transparency film
      12m 33s
    16. Scanning negative transparency film
      9m 11s
    17. Capturing high dynamic range (HDR) scans
      1m 47s
    18. Setting up wet scans
      14m 29s
  7. 1h 48m
    1. Scanning, converting, and using simple line art
      5m 32s
    2. Scanning and using detailed line art
      10m 52s
    3. Scanning landscapes
      15m 50s
    4. Scanning product shots
      11m 58s
    5. Scanning combo/complex images
      9m 3s
    6. Adjusting distressed images
      11m 12s
    7. Scanning images with no neutrals
      11m 57s
    8. Post-scan touch-ups
      2m 7s
    9. Scanning images for multiple uses
      10m 44s
    10. Automatic scanning
      10m 40s
    11. Streamlining big jobs with batch scanning
      5m 22s
    12. Using your manufacturer's scanning software
      3m 14s
  8. 27s
    1. Goodbye
      27s

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