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How to buy the digital camera lens

How to buy the digital camera lens


How to buy the digital camera lens

Posted: 24 Mar 2011 09:01 AM PDT

Canon EF-S lens

With the new technology, new opportunities. This is particularly true in the case of digital cameras and, more importantly, as the title of this article suggests, in the case of digital camera lenses.

There are so many different targets available with different specifications, which are quite overwhelming, exactly what you want a lens, but this is where step help.

This article is intended as a guide to explain theJargon and allows a more informed purchase the next target time for shopping for a new digital camera.

Choosing an appropriate focal length

The focal length is probably the most important factor for good reason should be when selecting a lens, and for: focal lengths determine the field of view of the photos can be taken behind closed doors to your success.

The two main types of focal length are telephoto and wide angle, and whileTelephoto lenses have a narrow field of view and are best suited for portraits, close ups and wide angle lenses have a wider field of view wide, the landscape is ideal for indoor photography.

Remember that the performance of different camera lens of the camera, with the increase of power behind a lens is generally larger on a digital camera with a film-based 35mm.

The Need for Speed

If you learn quicklylenses and lens, reference is made ​​clear, is a maximum aperture, which is the maximum amount of light the lens can usually involve a simple rule of thumb that one of the lens can more quickly in a game, while a slow lens leaves less light, the sets look like your picture.

maximum apertures are measured in f / stop numbers is actually a relationship between the size of the aperture and focal length. The smaller the aperture, the moreThe light is left in an increase in the f / stop number doubles the amount of light to enter, so in light of the double f / 2.0 f / 1.4.

This can be confusing at first, so the easiest way to make sense to remember the following: fast lenses are more suitable conditions for success for photography in low light lenses and lens photography easier specific direction.

The pros and cons of zoom

Unlike afixed focal length, a zoom lens, you often have variety of different lens focal lengths, all rolled into one set. This can be great if you often switch between different targets for different occasions, but it is important to remember that not all zoom lenses have a constant maximum aperture, and those who do are often larger and more expensive.

Although the maximum aperture, as you can reduce the use of a zoom lenswith a variable light intensity, this may not be important to some photographers, such as reduced cost and size of these lenses. Keep this in mind when buying a zoom lens.

Add-on lenses

Add-on lenses or accessories are facing cameras and compact digital camera owner of such models can significantly increase or decrease the built-in camera focal length and at the same time able to stop the automated camera features, such as f /Settings and focus.

These objectives, the costs can be an excellent low add-on digital camera add-on telephoto lenses of focal lengths can increase by up to 300%, and wide-angle versions allow the reduction of focal lengths up to 30%.

Conclusion

There are some other conditions to consider when buying a digital camera to make sure to buy the best. If your lens usedaspherical lens elements, then you can rest happy in the knowledge that helps build your lens sharper images, with the target weight to a minimum.

Internal lenses and auto focus lens keep the weight down to fewer moving parts, and naturally with gravity, make it faster. leaves of low-dispersion glass look less blurry photos, taken during stabilization to help keep systems sharp images at shutter speeds slowSpeed.

Conclusion

Hopefully this article helped you understand better what the appearance of a digital camera lens. There are a lot of words to remember here – so before shopping for your new camera lens can make the idea of a good time to get your list of what you want to do. Then you can control their own against the characteristics of different lenses. If you are still unsure about whether a goal is then to meet your needsby all means try to test so that you can see some results before you buy!

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