Interested in expanding your camera kit with an extra lens or two? Not sure about the design of the lens and the terminology associated with SLR lenses? Here is some information that can help make this important decision. Good lenses are expensive and you need to get the best value for your purchase.
Types of lenses NEWS b>
There are many types of lenses on the market today, too many to cover in detail here, but here are the most common types found on your search.
NEWS Prime or Zoom? b>
The first consideration is whether you want a zoom lens or a main lens. A zoom lens has a focal length variable, so it can function as multiple lenses in a single package. A primary objective is fixed focal length, so it is limited to the photograph which is related to its size.
Photographers still maintain that a primary goal is always to achieve a better result than a zoom. This is an optical sound argument, however, there have been some serious advances in optical technology in recent decades and the difference is now minimal.
NEWS Normal Lens b>
This objective is prime and has a fixed focal length of 50 or 55mm. It is called a normal or standard lens because it provides a result of the same as our normal viewing perspective. He was considered an all purpose lens and usually the first choice if buying a cousin.
Zoom lens NEWS b>
zoom lens covers a focal length variable, the most popular is the 35 to 70 mm zoom. This goal will give the same coverage as several prime lenses over this range.
NEWS Telephoto Lens b>
A telephoto lens is a priority goal with a focal length over 50 mm. Lenses over 300 mm are called super telephoto lenses, which are usually in the 300, 500 and 1,000 mm of range. The larger the telephoto focal length, the higher the price.
NEWS Mirror Lens b>
mirror lens is a telephoto lens, but uses a combination of lenses and mirrors to achieve its telephoto capability. The main difference between conventional telephoto lenses is their size, usually much shorter. This is great for handling and a cheaper alternative. The drawback is that it has a fixed aperture and provides less resolution.
NEWS lens shift b>
This lens is also known as a perspective correction lens, and has a rise and down front panel that corrects the perspective distortion and converging lines. These are mainly used in architectural photography.
NEWS Soft Focus Lens b>
These lenses are designed for different formats that are rare and very expensive. The lens offers varying degrees of smoothness and is used mainly in fashion and portrait photography.
NEWS Lens b>
lenses Macro lenses are usually the first and come in different focal lengths (not to be confused with the macro setting that come with most lenses). Macro lenses for macro photography are very serious they are very expensive. Macro lenses for close-ups are in a ratio of 1:1, 2:1 or greater.
Teleconverters NEWS b>
These lenses provide a cheap and easy to extend the range of focal lengths, without having to buy more lenses. These are installed between the lens mount and the lens and increase the power of original lens increasing. A typical ratio is 2x and 3x the conversion of a target of 50 mm to 100 mm and 150 mm lens, respectively.
Here are some ways to increase the capabilities of your camera that lets you explore a wider variety of topics Photo. Some are expensive, but others, as described here are not. There are some cheap alternatives available to help you go a step further in his photography.