Cameras

One of the great things about owning a digital camera--aside from the ability to take hundreds of photos on a single memory card--is the immediate picture controls the device offers you. By simply...

With some cameras, when you take a picture you may notice a date and time stamp in the bottom corner of the image. Although this can be nice to help remind you when the picture occurred, it can...

Taking digital pictures is a lot different than it was taking pictures with a regular camera not too long ago. Digital cameras hold hundreds or thousands of pictures, depending on the memory card...

Video surveillance at your home or business helps to ensure safety. Determine what you want in a video surveillance system -- from the quality of the recordings to the sound -- and what you can...

A lot of digital cameras have a setting where they add the date and time to the bottom right corner of the pictures they take. This setting can be helpful if you are documenting images for filing...

Banding is noise or image artifacts resembling faint lines running through a digital camera image, caused by processing problems or excessive settings. In some cases it is traced to errors in...

In digital imaging, a pixel is considered the basic unit of forming an image. A million of these comprises what is known as a megapixel.

If you have a digital camera but lost the software to extract the photos from the digital camera and you own a mac, you can always use the built in image capture to extract the image files from...

In a silhouette image, the subject in the foreground of a picture is only a dark, featureless shadow, while the content in the background is perfectly illuminated. Recreating a silhouette image...

When shopping for a digital camera, you are likely to see numbers for optical zoom and digital zoom thrown around. The two are substantially different from each other, and for true quality, one is...

As technology progresses, so do our standards of entertainment. As high-definition becomes our primary canvas for entertainment, even newer technologies are on the horizon. Though 3D has long been...

Today's cameras are highly sophisticated pieces of equipment filled with mechanical and electronic features. Box cameras, however, are the simplest form of camera, and they are the oldest type...

An SLR or single-lens reflex camera is a camera that uses the same lens to view the image and take the photograph. This is accomplished by the use of a mirror set at a 45-degree angle behind the...

The Nikon D2X is a digital camera designed for use by professional photographers and advanced hobbyists. The D2X features 12.4 Megapixels of camera resolution, an ISO range of 100 to 800, auto and...

The camera is among the most important of technological inventions, taking various forms and serving countless purposes. Cameras actually predate photography, since early cameras were able only to...

Digital cameras are loaded with features to make photography easier and more enjoyable. The ability to zoom in on a subject and create close-ups is one of the most popular options for customers...

Photo chroma key is the process of manipulating images to replace a single colored background with an image photographed at another location or digitally created using editing software.

There are a lot of digital cameras on the market, from low-end point-and-shoots to high-end medium-format types. With slight variations, they all use essentially the same technology, so the choice...

The first specification often considered when purchasing a digital camera is the number of megapixels it offers. Most consumers are confused about what a megapixel is, and what effect it will have...

Digital single-lens reflex (DSLR) cameras operate mechanically the same way as conventional SLRs. Both use a mirror box housed at the top of the camera body to direct the image from the lens to...

How do you know your monitor is accurately showing you what your camera has captured? This is a very simple way to make your monitor show what your camera has captured. This is commonly called...

Slide film is one of the most difficult photography mediums to expose correctly. On occasion, 35mm slides will turn out dark, or under exposed, due to lack of sufficient lighting, improper...

There are numerous kinds of digital cameras. Specific instructions for each camera will vary a bit, but there are a number of things that almost all digital cameras, point-and-shoot and high-end...

A Panasonic Lumix digital camera can take high-quality images that anyone would be proud of. There is, of course, a limit to how many it can store on the internal 14-megabyte memory. Even an...

The Nikon D200 is a digital camera with many professional features at a fraction of the price of a professional camera. Like many new releases, however, some D200 cameras had some issues with...

Buying a new camera can be an intimidating experience if you are a novice. Camera stores are often more interested in selling you a camera with the “HOT” “NEW” but really pointless features...

Canon's Rebel series has been one of the most widely used SLR cameras that use film since the 1990s. Canon has continued this series starting with the Digital Rebel 300D in 2003. Although the...

The Canon Powershot G9 is a high-end digital camera with multiple recording modes and a long 6x optical zoom. This camera not only allows for full creative control, it also has fully automatic,...

Chroma-key refers to the practice of photographing a foreground image against a solid background. The solid background is then selected and removed, leaving the image with a transparent...

Chroma-keying is a process of creating a composite of two images by photographing the foreground subject against a solid colored background. The solid color is then removed and made transparent,...

The basic principle of photography was developed long before photography was possible. In the 11th century, the concept of the pinhole camera was discovered. The concept is that if a tiny hole is...

Originally, big unwieldy cameras---now called view cameras---were made with a ground-glass focusing screen on the end where the photographer looked through and a lens on another board at the...

The Leica rangefinder system is a popular, compact photography system. In particular, the rangefinder system does not cover the photographer's face, so the photographer can be more aware of his or...

A wireless camera may or may not be truly "wireless." Although some are powered by batteries, many actually need to be discretely plugged into the wall or otherwise attached to an electric system....

Macro photography can be challenging because a subtle shift in the distance of your lens and the subject can alter the focus of the image. With this article, you will learn the easiest method for...

Digital cameras began as an interesting, but severely compromised, alternative to traditional film. The limitations of digital camera hardware ensured that their early use was primarily for their...

A fisheye lens is an extremely wide-angle camera lens. This wide angle results in a curved image that represents subjects from a very broad field of vision. Fisheye lenses have a number of...

Panoramic cameras always have held a fascination for professional and amateur photographers alike, despite their somewhat limited use. They are able to capture much wider images---such as the...

The lens first focuses the image on the imager. High-definition camcorders usually have complex lenses with several different features. Almost all have Optical Zoom, which allows them to pan in...

A lens in a mini DVD camcorder focuses light shining into the camera onto an image sensor inside the camera called the imager. The imager has millions of individual pixels, each covered with a...

A digital camcorder has a lens, which focuses the image. The lenses on modern camcorders can also zoom in on a particular part of the image, adjust the aperture and exposure time to make the image...

Begin with the camcorder lens. Most camcorders have adjustable zoom lenses to focus in on the image. Many also have adjustable apertures to control the exposure of the image, variable shutter...

When you take a picture with the Sony Cyber Shot 4.1, you can adjust the pixel size before you shoot your photographs. If you plan to print your photographs, you will want to shoot pictures with...

The image stabilizer of a digital camera will eliminate blurring. Learn about image stabilization with tips from a camera enthusiast in this free photography video.

A home photo scanner is an evolution of the photocopier. The two work the same way, by taking a picture of whatever is on the glass plate, and reproducing it. Photocopiers, of course, originally...

Single-lens reflex cameras were a major innovation in camera design because the photographer can see the same thing the film will capture. Previous camera designs, including twin-lens reflex,...

A photograph taken with a digital single lens reflex (DSLR) camera starts at the lens. A DSLR lens is really a collection of sub-lenses called elements. Each lens refines and focuses light to...

The first stage of digital photography image capture is the lens. Although a few lenses contain a single element, most are made up of multiple elements working together. A lens element is a single...

Digital cameras operate on the same basic principles as film cameras. Both have an optical lens that gathers light and focuses it onto a recording surface. Similarly, both have a shutter that...

Basic principles apply to all lenses, regardless of their type or age. The image that is created by a camera requires that light enters the camera. This location is the lens, which works much like...