Type And Purpose Lens

Normal Lens

This Lens is a lens that produces image with brightness and strength of the lens more natural perspective compared with other types of lens normal lens provides a unique effect of the drawing. A lens is categorized as a normal lens has a focal length equivalent to the diagonal projected image sensor inside the camera. In 35 mm format, the dimension of the projected image into the camera is the image with the size of the take it 36 mm x 24 mm (length x width), so that the image diagonalis 43.27 mm, equivalent to 50 mm. These lenses are also categorized as a primary lens because it has several advantages, among other:

First : it has a maximum aperture open a large and simpler that the other lens is equal, like F.2, f.1.8  or even f1,2 so it can be used to take picture in light conditions.

To Two : It can produce a richer color image. This is possible because with a maximum aperture diaphragm, the camera can capture more light and generating a more complete picture.

Wide – Angle Lens

This lens is sometimes called a wide lens. As the name suggests this lens has a very wide angle of view and different lenses that were discussed earlier, even on some lenses can give the point of view approaching 180 degrees. In practice the type Wide-angle lens is often used to photograph the narrow room or to take a picture of an object as a whole when the objects are located relatively close to the photographer. But keep in mind is much that the image produced by the normal lens is the difference between this lens provides plenty of inspiration for people. Another note, this lens does not produce image in accordance with what was captured by the human eyes otherwise this lens give an impression or more of the situation. The room can look taller, bigger or wide than the actual size in order to more clearly people are clear impression.

Zoom Lens

These lens are deliberately designed to have several different viewpoints. There are a wide range zoom lens, ranging from 2x zoom, 3x zoom (70 – 200mm), 10x zoom (35-350mm) up to 12x zoom. Why are many sizes and different types of lenses that are often in check by the people, simple HhhMm… answer because each lens has its pros and cons of each as well when we want to take a picture like the example image above zoom lens automatically we must lenses that function as well as the next. For now, the lenses that have more than 3x zoom or less get the images with consistent quality. Therefore, in general, professional zoom lens users only use 2x or 3x zoom lens only. Some of the zoom lens is a telephoto lens (200 – 400mm), while others are wide – angle lens 10 – 20mm, 16 – 25mm) and the rest covers wide – angle to telephoto (28 – 200mm, 35 -35mm). Lens in the last category is often referred to as a normal  zoom lens  and has been replace as the primary lens solution use one lens to various conditions.

Telephoto Lenses

Known for its ability to en large a distant object, and produces images that are not distorted, this type of lens is a favorite lens for photographing sporting events (football, basketball, tennis, etc). And do not forget also to stage performances (concerts, theaters, orchestras, etc). Also did not escape the paparazzi even make this type of lens as its flag ship lens. Telephoto lenses can be categorized as a normal telephoto lens (85mm, 100mm, 135mm, 200mm) telephoto zoom lens (28 – 300mm, 55 – 200mm, 70 – 200mm, 90 – 300mm, 100 – 300mm) and super telephoto lens (300mm, 400mm, 500mm, 600mm).