Article by Carl Walker. Short on the technical specifics but long in the real world practical advice. It won’t give you an answer on what printer to purchase — you seldom get clear answers like that in a long report, let alone in an article this short — but you’ll come away with some possibly interesting things to ponder as you shop around.
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Article by Ziv Haparnas. Good primer on depth of field (DOF) and the different factors that affect and control it. Most interesting: Did you know your digital camera’s sensor (CCD) size affects depth of field? No? Read the article.
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If you are planning for a long digital photo shooting session or are traveling, learning the following habits will help you conserve energy and squeeze more digital photos from your batteries.
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Selecting memory cards for digital cameras can be tough. The quality and number of images depends on the type and size of digital camera memory card you choose. Here are some guidelines to keep in mind when selecting a card to store your digital images.
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Digital camera megapixel madness is very similar to the personal computer MHz madness back in the 90s. The number of pixels a camera uses to produce a digital photo is just one element in determining photo quality. Another (usually forgotten) is the sensor size. Here is why.
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A woman walked into a camera shop to return her recently purchased camera. When the salesperson asked, “Is it broken?” she replied, “No, it just does not do all the things I wanted it to do.” After patient listening, the salesperson asked, “Did you read any of the book that came with the camera?” The woman quickly responded, “NO, I just did not have time and really did not have any desire to do all that reading.”
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In many ways, passive autofocus imitates the way we focus manually. The camera defines one or more regions in the picture to focus on; these areas are usually around the center of the photo and are marked as rectangles on the viewfinder or the LCD. The camera then analyzes the captured picture seen through those regions.
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Digital camera flash units come in many shapes and sizes. Low end digital cameras include low energy built in flash units. High end digital SLR cameras can support sophisticated external flash units which can provide superior lighting in difficult scenarios. Here are some basic facts about flash units both built in and external.
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High quality sharp and crisp digital photos are a result of many optical parameters that need to be set right. One of the most important optical parameters is focus. When objects in a photograph are out of focus, they look blurry and are missing details and clarity. When objects are in focus, they look sharp and crisp.
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CMOS image sensors are widely used in digital still cameras for capturing images. Their competitors are CCDs, accomplishing the same task. We analyze the pros and cons of these two options.
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