When you shop for a dSLR, you’ll find a bewildering array of options. Salespeople will hand you data sheets that describe in sometimes painful detail what the camera can do. In this section, I explain the major areas to look for when you go shopping for that first dSLR. By the way, this book’s Glossary is another source of information for unfamiliar terms.
Recording Medium
The recording medium is the type of memory card used by the camera, such as CF (Compact Flash) memory cards. The most common card is Type I (3.3mm thick), whereas some, such as the MicroDrive, are Type II (5mm thick). Devices equipped with Type II slots can also accept Type I cards, but not vice-versa. Other common types of memory cards used in dSLRs are SD (Secure Digital) and xD Picture Cards .
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Now that you’ve narrowed down your price-pain threshold, let’s look at underlying technologies. The type of image sensor in your camera has great impact on the quality of the images you get. The two primary sensor types are CCD (Charge Coupled Device) and CMOS (Complementary Metal Oxide Semiconductor). CCD and CMOS differ in the ways they record and process light, but the basic layout and capture methods are similar.
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For most people, price is the most important issue when looking at a camera. Until a couple of years ago, you’d have to budget well over $1,000 to purchase a digital SLR and basic lens. Today a full-featured camera can be found for less than $600. Cameras in this entry-level category, such as the Canon EOS Digital Rebel line and the Olympus E Series, are optimized for ease of use while still giving you a number of advanced features and access to the full line of lenses.
Note
You’ll quickly discover that the camera body is often the least expensive part of your purchase. Lenses, particularly high-quality ones, can easily exceed the price of the body. The good news is that you can use your expensive lenses on a new body if you upgrade later.
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Once you’ve decided on the price range and image sensor type that fits your budget, it’s time to look at other features. Although every camera shares some common characteristics, each company adds its own unique touch to the cameras it sells.
Every dSLR camera, regardless of cost or skill level, includes at a minimum the major shooting modes:
- Aperture Priority lets you control the aperture (and thus depth of field) while the camera selects the appropriate shutter speed.
- Shutter Priority (or Time Value) lets you set the shutter speed while the camera selects the aperture.
- Program chooses both shutter and aperture for you.
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What makes a camera a digital SLR, anyway? And how is it different than a point-and-shoot camera?
If you’re familiar with film cameras, then you know that SLR stands for single lens reflex, a system which uses mirrors and lenses to capture an image. When a photographer looks through a lens on an SLR camera, the image he sees enters the camera, hits a mirror, and then bounces through a prism onto a focusing screen. Just before the shutter is snapped, the mirror swings out of the way to expose the image onto a piece of film. With an SLR, the photographer sees exactly what the camera sees.
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Imagestate SS16 Concepts and Ideas
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Aside from photography, I consider myself an avid learner of business. I usually enjoy finding some insights from business thesis and research. As you may already aware, research is about discovery, the testing of ideas and of hypothesis. It is also about the establishment of facts and argument through exploration and enquiry. The outcome of research is new set of knowledge leading to more improved understanding of certain issues.
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Stock Photos - Film
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Closing the deal with client can be a difficult task if you can’t handle many projects at the same time. For our client to entrust their important project to you, you are required to communicate intensely and to maintain project details. It could be a daunting job if you happen to manage a totally different type of business. What we really need is a system that able to simplify our life, a system that allow you to be more energized and process oriented with your clients.
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In an effort to compete, as well as provide lots of control to users of digital cameras, camera vendors have created a wide variety of different exposure modes. All of these modes fall into one of four categories: automatic, creative, manual, or special.
When you use an automatic mode, the camera chooses both f-stop and shutter speed for you based upon its attempt to optimize exposure for a particular type of subject. Besides choosing f-stop and shutter speed, some automatic setting modes also control the ISO setting based upon the available light, or white balance. They can automatically turn on a built-in flash if it is needed, or make other settings for you automatically.
One drawback of using some automatic modes is they do not let you modify some settings such as exposure compensation, automatic exposure bracketing, or the light metering or focus methods. A creative exposure setting allows you to choose either f-stop or shutter speed, then the camera attempts to choose the other settings for you based upon your initial choice. If there is not enough light, or there is too much light to get a good exposure, your camera may not let you even take a photo! Using a manual setting, you get to set everything yourself! Yes, that means that you can do all kinds of creative things like over- and under-exposures without having to fight with the camera in any way!
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