| Looking for a camera lens, but you are not sure | | | | There are many advantages to using the zoom |
| whether the more expensive lens is better than | | | | lenses. You can achieve different perspectives |
| the heavier lens? Confused by all the stats? | | | | and different compositions without replacing the |
| Discover how the perfect lens could be sitting | | | | lens. With a zoom lens you can change the |
| right in front of you. There are many different | | | | composition of the image without any cropping. |
| functions that they perform and knowing what | | | | There are two types of lenses for zoom, optical |
| they do will make purchasing camera lenses easier | | | | and digital. If you wish to have the image bent |
| than ever before. | | | | and distorted, also called interpolating, after its |
| There are varying lens elements to consider, | | | | been attained you would use the digital zoom lens. |
| what a lens element does is it will bend the light | | | | If you wish to have the light magnified before it |
| to reflect the image in as much exacting details | | | | reaches the digital sensor, then you would use the |
| as it can upon the digital sensor. Optical oddities | | | | optical zoom lens. |
| can come to pass when the light is not depicted | | | | A prime lens is similar to the zoom lens, but has |
| accurately on the sensor. Vignettes, blurring, | | | | its own advantages and draw backs. They do not |
| distortions, reduction in contrast and misalignment | | | | allow changes of composition unless you are willing |
| of colors may be present. | | | | to crop the image. They tend to weigh less than |
| To ascertain how an item will be magnified and | | | | zoom lenses, they are faster and are cheaper. A |
| the angle of view, the focal length will play a key | | | | modestly priced prime lens will perform just as |
| role. When you require a small focal length the | | | | well as a good quality zoom lens, if not better in |
| image will be stretched or exaggerated in the | | | | terms of image quality. They tend to offer better |
| perspective, you would use a wide angled lens. | | | | light intake than fast zoom lenses, something you |
| Projects that require a larger focal length will be | | | | would find important for low light projects. |
| flattened or compressed in the perspective, you | | | | You may wish to consider the lens aperture. |
| would use a telephoto lens for these projects. | | | | Aperture is the amount that the lens is able open |
| Many people believe that the focal length changes | | | | up or close to let in more or less light. Apertures |
| the perspective. | | | | are listed as f-numbers, to describe their light |
| Some other things you may take into | | | | gathering ability. The larger aperture openings |
| consideration with the focal length is what lenses | | | | have lower f-numbers, and are considered faster. |
| are sensitive to. Telephoto lenses tend to be | | | | This is probably the most confounding area for |
| more sensitive to shaky hands and the slightest | | | | most people. The faster the shutter speed, the |
| movement may result in a blurred image and as a | | | | lower the f-number, the larger the aperture, thus |
| by-product they need shorter exposure times to | | | | the narrower the depth of the field is. The slower |
| lessen the blurring to the image. A wide focal | | | | the shutter speed, the higher the f-number, the |
| length lens allows in more sunlight and is more | | | | smaller the aperture, the wider the depth of the |
| immune to flare. | | | | field is. |