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Image Processing Q&A

Lesson 5 from: Adobe Photoshop 101

Ben Willmore

Image Processing Q&A

Lesson 5 from: Adobe Photoshop 101

Ben Willmore

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Lesson Info

5. Image Processing Q&A

Next Lesson: Contrast and Color

Lessons

Class Trailer

Day 1

1

Adobe Bridge Basics

27:08
2

Sorting Images in Adobe Bridge

29:24
3

Processing Images in Adobe Camera Raw Part 1

29:42
4

Processing Images in Adobe Camera Raw Part 2

34:57
5

Image Processing Q&A

08:13
6

Contrast and Color

18:15
7

Adjustment Brush and Auto Mask

16:19

Lesson Info

Image Processing Q&A

Questions I would love to actually jump in and ask him questions about stuff we've covered recently we've got carol and three others who all want to know when do you use contrast versus blacks or whites, blacks or whites? I mainly think of as a finishing technique, meaning I rarely adjust them as one of the first sliders that I move I primarily used them at the end. The main time that I might do them at the beginning is when the image that I have is extreme uh, here's an example of an extreme image. Do you see the extent to which this is really constrained into a rut? These sliders a religion have limited use on an image that is overly narrow as faras its brightness range. I could take the exposure and brighten this thing up so that it's a lot brighter, then I could grab highlights since they make brighter but notice how far highlights when I bring it up look not at the image but the history graham look at how far can I push it to the right a little know it can't on lee do so much if I...

drink shadows and bring the left a little, but it can't bring it all the way now watch whites and blacks here's whites boom I can move it that far where I could move it that far away blacks boom you know I could move it much rare so blacks and whites for general adjustment on an image is often times two much like using a sledge hammer when you need a little hammer uh whereas shadows and highlights or the little hammer that just you know I need to tweak this a little I don't need to radically change it and so most of the time blacks and whites what I consider a finishing technique but in extreme cases they can be used as a starting technique I just want the brightness range of this picture to go all the way across in the other tools won't get me there uh having said that if you ever find to be useful in general for anything, go for it got a question from greg cundiff and then two others also wanted to know do the numbers on the sliders have any specific meaning or are they relative uh I haven't mentally noodle that enough too be able to give you a definitive answer? I don't think about that so much although exposure the value might be in why can't I even think of the term stops but there's a that's the abbreviation of the really evey stops that I believe is little more towards it the others I'm not certain there I find that thinking about the actual numeric value isn't helpful for me in there for it I don't really care great, maybe just a couple more really quickly, and I've got laurie and one other who want to know. Can you get your raw image back to its original settings after you've saved it? Yeah, you're wrong. Remember that ex mp file contains your settings. Throw away the ex mp or right. Click on the picture. Remember, there was a choice called develop settings. One of the choices was clear, and that means throw away the ex mp five that's where all the settings are raped. Maybe two quick questions about the history. Gramm? Sure. First of all, what are the small indicators in the upper left and upper right of the history? Ma'am? Okay, the indicators in the upper right in upper left. What they're really talking about the triangles that are black in this case here and here. What do they do? What are they for their supposed to tell you? Win? You've gotten to the maximum brightness level, either like white or black. So watch what happens to the one on the right side. When I move the white slider up first, I'll move it down so you can see it moving away from white on the bar chart. You see the gap on the right side now if I moved to the right wash that indicator, kima you see, it just changed color, it means I've hit a certain threshold of hitting a point where I'm starting to lose detail in the highlights, where instead of having a speck of really bright area, I'm starting having area instead of a spec it's starting to become bigger, the letters it will change from blue two, possibly other colors, and then eventually it'll hit white. What happens is behind the scenes, your pictures made of three parts, it's actually three colors red, green and blue, and when you hit the maximum brightness of one of those three parts that make up your picture, it changes to a color, and that means in the brightest part of the picture, you still have detail. But instead of having detail in all three parts that can contain detail red, green and blue, you're losing it and at least one of those, too. Then when it changes to another color, it means he lost it in two of those, and then when it changes to white, you lost in all three, which means you have true white, so that means I got true white somewhere in that picture, wherever the brightest areas now, if you look at the other one on the left side, would have to move the black slider to get that one, and if it's black that means we have no black it's goingto weird, but they just want to make it a standard of black means off or not and that if I move this eventually you'll see it first change to a color that means out of the three colors that make up our picture red, green and blue one of them of the three has maxed out to the darkest it can possibly go since it can't go any darker it means going beyond that you will start losing detail a little bit, keep going it might change to another color or it might turn white once it turns white we means we have true black in there all three colors that make up our picture have maxed out to their maximum darkness does that make any sense is for us so when you see it a color it means you're just starting to have a little bit less detail and in this case in the absolute darkest party image because one of the three pieces that make up your image is maxine out and as it changes to another color, you're losing a little more but you still detail in there is when it turns white you lost all the detail in the absolute darkest part your picture so that's what that's supposed to mean it's not quite as accurate as you would think because there's a preview could get of where that's happening and it isn't telling you the exact moment that you have that happen so it's useful, but don't rely on it as if it's being it's almost as if there's a delay in it it's like I'm truly losing a little detail and now pepped up to tell you about it and there's a little delay between the two great uh one final one that this should be pretty quick. Uh, dan says, can you copy adjustments from a slider? If you copy adjustments from a slider in camera raw and pace that to another image that already has an adjustment on it? Will it overwrite or combine those values? It depends on when you copy and paste remember it brought up a dialog box with a bunch of check boxes it's going to replace what's on the other image for onley? Those adjustments have the check boxes turned on for the adjustments you turn the check boxes off or it means, don't copy the cropping, don't copy whatever the other things are, it means keep whatever is already on that picture what's on the picture might be the defaults, or if you've already moved them, it'll be what was there for them? Yeah, and I think that we are good to keep go you've got a question over here yeah doesn't grab me, I noticed you haven't touched thie contrast slighter at all. It's. A reason for that. Or we'll just need to progress. And I need to get you comfortable with certain sliders. And then we'll adm or a cz. We do it. Some sliders just have a little more subtle approach, and some used in different instances. But we're going to start doing some of that.

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Ratings and Reviews

a Creativelive Student
 

Ben, thanks again for this course. I have taken and purchased quite a few of your courses to date. I keep thinking I will only watch to make sure I am on the right track and you always bring more to the table than the last course. Your teaching methods are the best, sorry to all the other instructors from Creative Live, but you are very easy to understand and you speak in layman's terms so we all can understand. I am following your instructions and working along with your files and it is the best! It is hard to keep up with you even when I watch you on one computer and work with the same files on another computer, to do what you are doing...impossible but I gain so much by trying. You provide so much info on each topic, it is amazing. Thanks to Karen for the PDFs, she does a fantastic job and also, for her templates/layout documents. Thanks again and to anyone who thinks this is too much money for all the videos, the exercise files and the instruction PDF, I am sorry to say but you are mistaken.

John Taylor
 

Like all of the Creative Live courses, excellent training. Ben does a great job of explaining the entry part of Photoshop. A lot of things cleared up in my head and i like his easy pace into this complex program. Thanks Ben.

Cecily
 

I had several "lightbulb" moments with this class, after many years of photography and when you think you know it all, you don't :) Ben Willmore is an excellent tutor, with his many years of experience teaching PS, he obviously knows the types of things a lot of us struggle to understand. I learnt a lot about Bridge, and have since implemented these things into my everyday workflow, so much easier to sort out what I want to keep etc.. Thanks so much Ben and Creative Live. Thanks also to Ben's wife for her amazing work creating the Guide etc. Even though being in Australia, I pay more for the courses (the conversion rate, the aussie dollar is low at the moment) it's very worth it to me. I have paid more for courses here, and learnt next to nothing. Thanks again.

Student Work

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