The choice of a camera lens

Many believe that the quality of the lens is more important than the camera itself. In fact, this may be true. After all, is the lens that contains the light passes through the glass to create an image. Fortunately, just as cameras continue to improve from year to year, so do the lenses.

Objectives differ from each other in a variety of ways. However, for our purposes, we focus mainly on the differences of "focal length". To be honest, the mathematicalinvolved in determining exactly what constitutes "focal length" is far beyond my capabilities. Fortunately, we do not need to know exact technical details to make full use of what "focal length" provides.

To simplify things, think of lenses as on a continuum from "short" a "long". A short "lens" is often called a wide-angle "lens." This type of lens will give you a very wide view of a scene. A long "lens" is often called a telephoto "lens." This lens will give you a more narrow. For example, imagine a photographer standing on the field at the Super Bowl. If the photographer wants to take a photo showing the field, the stadium, the fans, everything - will use a short "lens". On the other hand, if the photographer wants to make a close-up of the quarterback - will use a long "lens" .

designation of focal length is given in millimeters. To put it simply, millimeter, the greater the> Lens. For example, a wide-angle lens could be 14 mm, while a telephoto lens may be less than 600 mm. The focal length has long been considered a normal "slow" on a 50 mm SLR (however, with digital cameras, may be closer to 70 mm). This particular length is called "normal" because it is closest to the field of view of the human eye.

Within my specialty of nude photography and erotic, the vastMost of my pictures are taken within a range of focal length of 18 mm to 135 mm. This range gives me a moderate wide-angle (18 mm), a moderate telephoto (135 mm), and everything else. This range offers a wide range of compositional choices.

Thanks to modern technology, you can now get a good quality zoom lens that will give you, in a single lens, a good range of focal lengths. It was not too long ago, zooming lenses were optically less than "fixed" lens. This meant that serious photographers had to change lenses whenever you wanted to change their field of view (even for very small changes, such as from 50 mm to 75 mm). Needless to say, this was inconvenient and expensive. Fortunately, we are in a place now where the quality of the zoom is excellent.

In fact, quality zoom lens has come so far that, to the naked eye, an image taken with a zoomSlower is usually indistinguishable in sharpness and clarity of an image taken with a fixed lens. In truth, all you really need to get started in this business is a camera and a moderate zoom lens (something in the range of 18-135 mm would be ideal).

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