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Monthly Archives: July 2010
How a Digital Camera Works
This section provides a quick look at how a digital camera works. You don’t really need to understand quantum physics to operate a digital camera, but a basic comprehension of what’s going on inside your picture box can help you … Continue reading
LENSES
If the name Willebrord Snell doesn’t sound familiar, don’t worry; most people aren’t too familiar with Snell. Nevertheless, he got things started for digital cameras in 1621, when he performed the first experiments with refraction. As Snell discovered, light travels … Continue reading
Why Shoot Raw?
Most people who purchase a digital SLR immediately seek advice from a salesman, friend or colleague who can “get them started” taking pictures. Time and again, the most common advice they receive is “shoot in JPEG mode; stay away from … Continue reading
Posted in digital SLR camera
Tagged digital SLR camera, raw camera, shoot in JPEG mode, shoot in raw mode
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HOW YOUR CAMERA MAKES AN IMAGE
The preceding description might sound complicated. In reality, though, the process an imaging chip employs to capture an image is even more complex. First, the light coming through the lens is passed through several filters. These include an infrared filter … Continue reading
Digital Cameras for Close-Up and Macro Photography
Digital camera technology has improved vastly over the last few years, and is still rapidly evolving, with new camera designs and features being introduced almost on a daily basis, and relative costs falling too. The image quality nowadays from a … Continue reading
Five dSLR Downsides
All is not perfect in digital SLR land. There are a few select things that are difficult to do with a dSLR, and some problems that only digital single lens reflex owners have to contend with. This section lists the … Continue reading
Posted in digital SLR camera
Tagged dSLR Downsides, shoot movies with a dSLR, SLRs operate, superwide lenses
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Camera design
Fundamentally, all cameras consist of the same basic components: a light-tight box, a method of focusing the image onto the image plane, an image sensor to capture and record the image, and some means of controlling exposure. However, the history … Continue reading
Choosing a Format
For some photographers, discussing camera formats brings out a fervor roughly akin to that of defending one’s faith. Some envision large format as a kind of holy grail; others consider it the photographic equivalent of a black belt in karate. … Continue reading
Shoot at Your Lens’ Sharpest Aperture
Shoot at Your Lens’ Sharpest Aperture Another trick the pros use is, when possible, shoot at your lens’ sharpest aperture. For most lenses, that is about two full stops smaller than wide open (so the f-stop number you use will … Continue reading
Guided Tour of a Digital Camera
Guided Tour of a Digital Camera We’re going to start with a generic tour of a typical non-SLR digital camera. Later on, we’ll get into the features of digital SLR cameras, too, but if you want a great deal of … Continue reading