Absolute Beginner's Guide to Digital Photography

48 ABSOLUTE BEGINNER’S GUIDE TODIGITAL PHOTOGRAPHY FIGURE 4.3 A “normal” focal length of 150mm for a large format camera is extr ...

Focal Length and Digital Cameras Lenses for 35mm cameras have a different focal length on a digital camera. The CCDs used in the ...

Compare the size of the nose and chin in the two pictures of the same subject in Figure 4.4. Photographing a person at too close ...

CHAPTER 4 THE IMPORTANCE OF LENSES 51 A tele-extenderor teleconvertercontains an optical ele- ment that increases the effective ...

Because a wide-angle lens can be focused close to an object, it is easy to get this kind of exaggerated size relationship. The c ...

Fisheye lenses also produce great depth of field. Objects within inches of the lens and those in the far distance will be sharp. ...

causes parallel lines to tilt towards each other if the camera is tilted. Before Photoshop, these lenses were the only way 35mm ...

CHAPTER 4 THE IMPORTANCE OF LENSES 55 FIGURE 4.8 Begin panning before a fast- moving subject is in front of you. This is always ...

After you lock onto a subject, some cameras predict where the sub- ject is likely to be next, keeping the subject in focus even ...

CHAPTER 4 THE IMPORTANCE OF LENSES 57 FIGURE 4.9 Most autofocus cameras by default focus on the center of the image. FIGURE 4.11 ...

Focus and Depth of Field What exactly is sharpness, and how much can it be controlled? In theory, a lens can only focus on a sin ...

CHAPTER 4 THE IMPORTANCE OF LENSES 59 ■ If you are using a short focal-length lens, you will have more depth of field than with ...

To decrease the depth of field and make less of the scene in front of and behind the subject sharp, use a wider aperture, such a ...

CHAPTER 4 THE IMPORTANCE OF LENSES 61 lens focal length aperture diameter f-stop = If the focal length of the lens is 50mm, you ...

...

5 In this chapter Digital Cameras & Color Balance Film & Color Balance Exposure Latitude & Film Latitude Film Latit ...

Digital Cameras and Color Balance Digital cameras are not immune to color balance issues, although white-balance features in mos ...

The color temperature of “white light” is measured on the Kelvin scale (see Figure 5.1). Warm colors of light have low color tem ...

Color Balance and Film Color film can record colors that your eye does not see when the picture is made. This is because film is ...

CHAPTER 5 EXPOSURE AND FOCUS 67 FIGURE 5.2 Digital cameras are not good at overexposure. Highlights over- come the sen- sor’s ab ...