Why Film
Film has lasted over a century and a half as the world's most popular medium for capturing and preserving visual memories for lots of compelling reasons It's cheap A film cassette or roll costs only a few bucks. It's ubiquitous You usually can buy film at any convenience store, drugstore, or even newsstand anywhere in the world. And you can get it processed within an hour at almost any mall or drugstore. It's portable Film is small, light, and travels well in a pocket or purse. 3 It stores well...
All Cameras Are Alike
The word photography literally means writing with light. Photography as an art and a science has existed and evolved for about 170 years, give or take. It had a hundred births, in the cramped closets and kitchens of inventors and innovators who labored in absolute darkness, coating paper, metal, and glass surfaces with photosensitive silver salts, exposing them inside light-proof wooden boxes affixed with lenses appropriated and adapted from telescopes and eyeglasses, and then immersing them...
ADC and Your Digital Cameras Bit Depth
It may come as a surprise to learn that all image sensors are analog, not digital, devices. In fact, the entire universe, except the world that exists inside a computer, is analog. Including film. Digital's sole inhabitants are zeroes and ones, period. So how do you get digital data from an analog capture device That's what the ADC analog-to-digital converter does inside your digital camera and in fact, the reason why it's even called a digital camera . All digital cameras have an ADC chip...
What Happens to All Those Data Bits
If 12, 14, and even16 bits per primary color sounds like an awful lot of data to you, you're right. It is. See Table 1-1. If left intact, all those data bits would inflate image file size and considerably slow down in-camera processing. And it wouldn't really be of much benefit when you view the pictures. The human eye is capable of discerning approximately 12 million different colors, which is why 8-bit color is considered photo-realistic. What's more, only a handful of image-editing programs,...
Charles Rodriguez Pc Magazine
In summer 1991, we spent a weekend with Fred Shippey and Katrin Eismann at the soon to be opened Kodak Center for Creative Imaging CCCI at Camden, Maine, discovering the amazing potential of the 25,000 prototype Kodak DCS-100 digital camera and a new image-editing program called Photoshop. Since that time, we have been indebted to numerous industry experts, associates, and friends starting, of course, with Fred and Katrin. Other mentors and associates who have always been generous with their...
PC Magazine Guide to Digital Photography
Daniel Grotta and Sally Wiener Grotta PC Magazine Guide to Digital Photography 10475 Crosspoint Boulevard Indianapolis, IN 46256 Copyright 2004 by Daniel Grotta and Sally Wiener Grotta Published by Wiley Publishing, Inc., Indianapolis, Indiana Published simultaneously in Canada Manufactured in the United States of America 10 987654321 XX XX XX XX XX No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical,...