March 2009
Beginner to intermediate
300 pages
8h 1m
English
Content preview from The Nikon D90 Companion
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Chapter 5. Photography 101
THE FUNDAMENTAL THEORY OF EXPOSURE
In this chapter, I’m going to take a break from cameras and computers and focus on basic photo theory. In the old days of manual cameras, you couldn’t learn to shoot without certain fundamental knowledge. With today’s automatic cameras, it’s possible to take great photos without having the slightest notion of how different parameters affect your image. However, you’ll most likely find that shooters who do understand the basics have a broader creative palette to work with and can push their photography further. You’ll be using the concepts covered in this chapter through the rest of the book.
In Chapter 2 you took a quick look at the anatomy of your D90, and you learned something about the architecture of an SLR camera. In that discussion I mentioned the image sensor in your camera. As you already know, in a digital camera, the image sensor takes the place of a piece of film and is the mechanism by which the camera can “see” an image.
The image sensor is a chip that is mounted parallel to the back of the camera so that the light focused by the lens hits it head-on. In the D90, the image sensor is smaller than a piece of 35mm film; it’s the same size as a piece of APS film.
Figure 5-1. The image sensor in your D90 is a large silicon ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.