| The price of a camera lens can vary, it could be | | | | aspect for choosing the lens that you want to |
| less than $100 or even over $8,000, but these | | | | buy. A vital thing to learn and know is that the |
| lenses all do similar jobs, they produce an image | | | | differing focal lengths will change the depth of field |
| on the digital sensor. Generally though it is found | | | | and the viewpoint, which will change the supposed |
| that a higher quality lens is better able to produce | | | | picture. |
| better results. | | | | The focal length is a good means of comparing |
| Many peoples understanding of a camera lens is | | | | the angle of view of the lens. The angle of sight |
| limited to what they usually use a normal film | | | | capture is translated by a degree radial such as |
| camera or a digital camera with a fixed lens, so | | | | 360 degrees is all the way around you. The focal |
| we will go over some of the other lesser known | | | | length is listed as millimeters. The affiliation of |
| distinctiveness of the photographic lens. As we go | | | | these numbers is an opposite: the less focal length |
| over this things you should have a better grasp | | | | is in millimeters, the bigger is the angle of sight |
| of how the lenses operate and which lens may be | | | | capture. A simple way to understand the idea is |
| of the best style for you to incorporate into your | | | | to think of yourself sitting in the center of a 360 |
| photography system. | | | | degree circle and the angle of sight capture is a |
| Focal distance and angle of capture sight | | | | piece of pizza. Lenses are normally mentioned in |
| Normally written in millimeters, the central length | | | | by what their angle of sight capture as sectioned |
| of a lens is the distance from its optical center to | | | | below: |
| the digital sensor, in theory this is where it makes | | | | - Fisheye lenses. Certain kind of a wide-angle lens, |
| the clearest image. The angle of capture sight of | | | | that will capture a 180 degrees and sometimes an |
| a lens is the amount of the panorama, side to | | | | even wider, angle of sight capture, often though |
| side and top to bottom, the lens can keep in the | | | | with a major deformation. |
| photograph. Either the film size, or the sensor and | | | | - Wide-angle lenses. This type of lens can cover |
| the focal determine the angle of capture sight of | | | | between 100 degrees and 60 degrees. |
| a lens. As an example a lens that projects an | | | | - Normal, or standard. This type can capture |
| image, the size of the film format or image | | | | between 50 degrees and 25 degrees. |
| sensor, is what determines the angle of capture | | | | - Telephoto lenses. This type of lens can capture |
| sight for a particular focal-length lens. | | | | between 18 degrees and 10 degrees. |
| This is the reason that the angle of sight capture | | | | - Super telephoto lenses. This lens captures from |
| in the same focal length lens will change as the | | | | 8 degrees to less than 1 degree. A Wider-angle |
| sensor size gets Bigger or smaller, which will tell | | | | lenses will let you see a larger amount of a scene |
| you the crop factor also known as the lens focal | | | | in the angle of capture while allowing greater DOF |
| length conversion factor by Canon, of the | | | | between the viewer and the subject. Fisheye |
| APS-size sensor. | | | | lenses have the most photo deformation, |
| The focal length of a lens is the most important | | | | especially at the outside edge of the picture. |