Photoshop Techniques 025.indd

Short Description
From a production standpoint, if you have Adobe Photoshop and a …. you chose in the preparation steps for this technique. Note: You must set your printing …

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Content
025
Photoshop
Techniques
How to produce
Quick, Clean Desktop Halftones.
From a production standpoint, if you have Adobe Photoshop and a desktop scanner you probably already have the capability to produce good-quality halftones. How good is largely determined by the quality of your scanner and how well you understand the halftone process.
This issue covers the basic steps to create quick, clean halftones. The other issues in this series help you understand the background information
behind these steps. I would strongly encourage you to read through the other issues in this series:
#026 - How to Evaluate and Use Desktop Scanners.
#027 - How to Prepare a Photo for the Printed Page.
#028 - Understanding the Unsharp Mask Filter
.
In this issue I’ve tried to balance getting the best results possible while staying within a simple step-by-step format. The steps covered here will do a lot to improve most of the bread and butter photographs you will need to reproduce in daily work.
Desktop Halftones:
Part 1 of 4
Desktop Halftones:
Part 1 of 4Photoshop Techniques
P
reparation Steps
Before we get into the step-by-step procedures of creating halftones, there is a bit of preparation to do. Follow the two preparation steps listed below. It would also help to read through issues #026 and #027 to familiarize yourself with some of the concepts involved in producing
halftones.
Fill out the “Preflight Checklist.”
A one-page checklist is included with this issue. Find this sheet and carefully fill it out. This form will help you collect the information you need to know before beginning.
Note: Make a copy of this form before filling it out the first time. You can use it to help you prepare for future projects.
Set targets for min. and max. tints.
Question #5 of the checklist has you identify your press’s minimum and maximum tint values. You must enter these values into Photoshop before using this technique.
In the Levels Dialog box, double-click on the two black and white eyedroppers. Each of these icons allows you to enter your target min. or max. values. Photoshop will bring up a standard color picker dialog box. Enter the values from question #5 on the…