When the term photography is used, people tend to think first of pictures processed at the corner drugstore, school pictures, or perhaps a family portrait. This kind of photography is called “continuous-tone photography” and is an important part of how the world interacts. However, the applications of photography are much more far reaching than continuous-tone photography.

The basis of photography is a chemical change caused by the action of light on a light-sensitive material. It is generally agreed that visible light is electromagnetic radiation measured in wavelengths emitted from either a natural source (the sun) or an artificial source (an electric bulb). When radiation strikes an object, it is either absorbed or reflected. It is the reflected radiation that causes a chemical change on a piece of film.

In order to start shooting images in photography, one must first have a complete set of equipment. To know more about the available equipment, here is a list that you have to use in order to get that best shot:

1. Camera
It is a light-tight box that holds the film. It is a means to focus an image on the film. It is also the device that will control the amount of light that reaches the film.

Cameras come in a wide range of shapes and sizes, but they all have the same characteristics and controls. It has lens, which is an opening through which to pass and aim the light.

2. Film
All photographic films use some type of light-sensitive material called an emulsion to record a visual image. The characteristics of the light-sensitive emulsion as well as the quantity and quality of light reaching that emulsion will determine the sort of visual image recorded on a piece of film.

Most film emulsions are formed from a silver halide suspended in a gelatin compound and silver chloride are less common and are almost always used in combination with silver bromide to produce different film characteristics.

Whatever their chemical differences, all films are structured in the same general manner.

3. Lens
Lens comes in all sizes, depending on the size of the camera. However, an f/stop number will always pass the same quantity of light on any size camera lens.

In photography, it is necessary to be able to move the lens so the reflected light from the object will be sharp and clear on the film – this is called focusing. If the image is not in focus, a blurred picture will be produced.

These are just some of the many types of equipment necessary in photography, but these three are the most important in order to produce a good shot. Learning Photography Online is made so much easier as you have so many learning resources at your fingertips. Take Google for example – You write any technical word in the Google search box and in seconds you will see what it means. By then clicking on Google images you will even be able to see what the word is referring to.

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Learning photography online really is the best way to get to know all those tricks for buying your digital camera, as nine times out of ten you are going to buy your digital camera online due to the sheer difference in price to high street offers.

So you want to buy a digital camera? Do you know which camera would be the best for you? Do you have an idea, how many megapixels and exposure would serve your purpose? And above all, which brand should you prefer? – Confused already? – Well don’t be because you are about to find out the real advantages of Learning Photography Online.

Well, if you want to know answers to these questions, you should definitely read the reviews on digital cameras. These reviews are written by the photography experts and the camera consumers, themselves. They help you greatly to know the quality and performance of the reviewed cameras.

Moreover you also get to know the features and specifications of the various cameras via their reviews. So here we would discuss about some famous cameras and their reviews. Read on, you never know, you end up buying one for you.

Canon
One of the famous cameras of the world is offered by Canon. The company is already famous for its high performance cameras. They have launched some of the best cameras in the world that are equipped too well to be the best cameras technologically as well as in its utility to the users.

Canon Powershot cameras are the series of one of the most attractive digital cameras by Canon. They offer a resolution of 5 megapixels for giving you a quality clicking experience. It also has a 1.8 inch LCD monitor, which is an advanced form of the 1.5 LCD monitors produced by Cannon. The Canon cameras are equipped with 8 preset scene modes to give your images the best quality. Moreover they have a flexi zone auto focus for enhanced focus on the subject in a frame. The camera has a 3x optical zoom and a 3.6x digital zoom. The images stored in the camera are in the form of JPEG, the compressed file format that takes up less space.

The ISO range of these camera can be adjusted from 50-400. The cameras are also geared with movie mode with enabled sound recording. The memory card of these cameras is 32MB to hold 11 images. But it is recommended that you should purchase a 128MB card so that you would be able to store up to 49, fine quality JPEG images. These cameras are the preferred choices of the people when it comes to amateur photography. Moreover they are not much costly, so you don’t have to burn your wallet to buy this one.

Sony
Sony is undoubtedly the leader in the market of digital cameras. It has launched several digital cameras in the market that cater to the needs of everyone. But one of the most preferred digital cameras of the Sony is the Cybershot series. It is one of the newly launched point and shoot cameras. It provides a resolution of 4.1 effective megapixels. Moreover it is geared with 3x optical zoom and 2x digital zoom for a better zoom on the subject.

The images in this camera are stored in the JPEG format. The LCD screen is fairly large at a size of 2 inch. The camera can shoot up to 110 snaps on a single pair of ordinary alkaline batteries, and offers a whopping 550 shots on the pair of NiMH rechargeable batteries. The camera is equipped with an internal memory of 32MB, but it is recommended that you buy a memory stick of 128MB to store more photographs.

So you must have known by now, how reviews can help you get the best camera for yourself. Moreover you also get to know the detailed specifications of the cameras via these reviews to choose the one up to your requirements. See how learning all about digital photography online is made so much more simple for you?

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If you are a photographer or just someone that loves taking pictures using your camera, specifically the single-lens reflex (SLR) camera, you must know what zooms are for. Zoom lenses are added to your basic camera unit to be able to focus on a subject correctly. It is similar to filters that you also add on your camera for specific special effects.

During the past, you would see a photographer carrying his huge camera case which contained about half a dozen different lenses. Each of these lenses has a fixed focal length and can only be used for a certain type of focus shot. If the photographer wants to take a shot on something from a different angle, he would need to change lenses. That takes a lot of time and possible loss of the good view for the shot.

Having all these lenses and carrying them every time you have a shoot can be a big burden, not to mention, expensive. Thanks to our ever improving technology, zoom lenses were introduced. With zoom lenses, you can have a single lens that covers the same range that three or more fixed focal length lenses. This definitely lets the photographer change angle or focus instantaneously as compared to the old lenses.

Mid-range zoom lenses are versatile since they can cover normal, wide-angle and telephoto focal lengths with just a single lens. Telephoto zoom lenses are great for portraits, scenic, travel, candid and sports photos. Long zooms are useful for wildlife and sports photography.

Features of Zoom Lenses
Here are just some of the features of most zoom lenses available:

1. Macro focusing. This feature allows the lens to focus at a close range. To determine how close a lens is able to focus, a reproduction ratio is specified in the lens. A 1:4 reproduction ratio means that a lens can focus an object such that if the diameter of the object is 4 inches, it will measure just 1 inch in the picture itself.

2. One-touch zoom control. Most of the zoom lenses have just a single ring that controls the focus and zoom at the same time.

3. Lens aperture. There are zoom lenses that have only one maximum aperture, while others have two, for example f2.8-4.0. The f-number changes as the zoom changes.

Tips in buying zoom lenses
If you are planning to buy a zoom lens, the first thing you have to consider is the focal length range. For you to know what correct focal length range to buy, you must identify your purpose for the lens. If you think you will use it mostly for travel and vacations, a mid-range zoom would suffice. However, if you are planning to use it for sports and portraits, a telephoto zoom is a better choice.

The size and weight of the lens is also a consideration. In general, a bigger and heavier lens is usually faster. One that has wide zooming range can also be larger.

Lens speed is important if you are intending to use the lens for indoor photography. A faster lens allows more light which makes it easier to shoot in subdued lighting.

If you are using a lot of filters, it is best to consider the size of the zoom so it can accommodate as much filter. If you want close-up photos, you must also consider the specifications of the camera with regard to macro focusing. If you are after flexibility, it is best to have a zoom with continuous macro focusing than a limited one.

Of course, just like any other product, price is also a consideration. The better the features of the zoom lens, the more expensive they will be.

Zoom lenses are really a good investment if you are thinking of making photography a business. Even if you don’t, and you are just someone who loves taking pictures, having zoom lenses is still a good choice. You can take great shots at different angles and distances.

So if you are thinking of getting one, decide first on how you intend to use the lens so you can make the right choice. As you become more and more into this hobby or profession, then you can buy different types of zooms. Carrying just one or two zoom lenses is not a bad idea.

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In photography, the art of communicating by pictures or other images is called iconography. Readers often depend on iconicity of the presentation of stories that they read. There are five main functions of photos and other images, namely:

1. To attract attention
Pictures are selected to symbolize an article’s theme and are given prominence by means of size or position in the layout. Their role is to catch the reader’s attention starting with the caption, and on to the title and, finally, the text.

In trying to tell the stories with pictures, some magazines or newspapers present a “lead” picture just as a good story begins with a strong “lead” paragraph.

2. Illustrating a point
The simplest role of an illustration is to make a point. This is a typified by the head-and-shoulder portrait, also called the “mug shot.” In some instances, illustrations help the readers know the place or the scene that was captured. A photo of a beach, for example, may accompany a travel article, showing the pristine beaches on a certain place.

Charts, diagrams, bar graphs, maps, and other visual devices are also being used extensively to “explain” a point. Oftentimes, figures and statistics are confusing. Hence, most people use some of these devices to explain a story.

3. Telling a story
There are pictures that by themselves tell a story. Only a minimum caption is needed or a caption may even be superfluous. Editorial cartoons usually do not have captions, but they tell stories and make a point.

4. The picture story
This is the use of series of pictures with a minimum of words called “caption story.” The picture story is usually used to illustrate a “how to article.” How to build a communal dam, for example, can be best illustrated with the use of visuals. When the primary goal of the story is to “show” the reader something and not just “tell” him, then the role of pictures become dominant and words only secondary. In all cases, however, a skillful merging of the two is necessary.

Indeed, in the world of iconography, photographs can really mean “a thousand words.” Hence, one can surmise that photography icons are generally created to translate and decode the symbols that readers don’t normally understand.

In fact, in religion, photography icons are more used than any other concepts. This is to explain the ideas further and to give more depth to the subject matter in focus.

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Traveling is one of life’s greatest pleasures. Capturing those precious and exciting moments is even more pleasurable, especially if it’s a once in a lifetime trip. For the photo enthusiast, taking pictures of everything in sight is as important as going to these places.

So how can you become an expert in travel photography? Here are some online tips for learning travel photography:-

1. Choosing the right variety of camera Purchasing the perfect camera can be as hard as deciding where to go on a vacation. A primary consideration for travel photography is whether to get a single lens reflex camera or a SLR, or a point-and-shoot type. They each has their own benefits and disadvantages.

In SLR, lenses can be interchanged. A photographer can view exactly what the lens is seeing because of its reflex viewing system. Point-and-shoot, meanwhile, have viewfinders that adjust the view of the image automatically. They are easier to use than the SLR, but its viewing range is a bit limited.

2. Selecting the right kind of film The dilemma in choosing the right kind of film can be solved by determining the output desired and the traveling conditions in which the pictures will be taken. You need to choose between a color negative or a color side if you want to take colored pictures. The benefit of using a color negative is that it tends to be forgiving of corrections in color or errors of exposure. Professional photographers, however, go for slide films because almost all commercial reproducing is produced from transparencies.

3. Researching for the trip Knowing the right information about the place your visiting is as important as shooting the pictures. Planning the trip in detail enables the photographer to improve on the quality and quantity of opportunities where he can take great pictures. It is essential to read before a trip. Browse through materials such as travel guides, magazines, maps and newspapers. Also, try to talk to someone who has actually been their. The information that they can give will be very valuable.

4. The right way in creating a travel journal The pictures taken during a trip should tell a story, and should not be just a jumble of random pictures. It should chronicle the trip from start to finish. It is important to track the dates that the pictures were taken.

One should not turn down the experience of travel, just the same, as one should not forget to capture precious images from that trip. Perfect planning and having a keen eye for a good image can be the key to achieving everything in digital photography.

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One hobby that will never go out of fashion is photography. It’s simply because it captures moments that the human mind can’t store vividly for a long period of time. It immortalizes scenes that would otherwise easily be forgotten.

If one wishes to indulge oneself in this kind of past time or even professionally for that matter, it will be indispensable to get to grips with both the technical know-how of photography, and the elements and accessories of the device that really makes things happen – Your digital camera. Learning Photography Online can be as easy as this, so just read on and all will be revealed…

There three basic elements of a digital camera:-
1. the optical element or the lens
2. the chemical element or the film
3. the mechanical element or the body of the camera

It is the calibration of these elements that makes the recording of the images possible.

From the analog cameras, technology brought about its modern day counterparts the digicams or digital cameras. With more advanced features and a wide array of accessories, they make the hobby that much more accessible, even to an absolute beginner.

The difference between a digital camera and an analog one is that with digital, the images are stored in digital format. Therefore, the image can be previewed before it gets developed, and printing pictures from a digital camera is a lot more convenient too.

What are the current hot camera accessories? These include the following:

Electronic flashes
Flashes are for the vivid exposure of an image onto a film strip. Through the emission of a good amount of light with the release of the shutter, the film is exposed enough with the adequate amount of illumination. These accessories are particularly used for indoor photography or when one has to take pictures after dark.

Storage devices
Storage devices back were not able to be removed. Nowadays, digicams are endowed with flash memory devices, i.e., memory sticks, smart media cards, and compact flash cards.

Batteries
Digital cameras are now equipped with either rechargeable batteries or disposable ones. The non-rechargeable batteries include the lithium and alkaline types, while the rechargeable batteries are known to be in the form of lead-acid and Ni Cd batteries.

Other accessories include a camera bag or case, tripod, and straps. It is not enough to just know what the accessories and elements of a camera are. One must also learn how to use them properly and how to maintain them for their longest use for the enjoyment of this extremely popular hobby known as digital photography.

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