| Good knowledge of Digital SLR lens is one sure | | | | correspond while Wide angle lenses have small |
| way of ensuring that you get the best shots | | | | focal length. Against what many people think, the |
| regardless of whether there is sufficient light or | | | | focal length does not determine the perspective |
| not. It ensures that image quality is per the | | | | of the image at all but perspective is any altered |
| standards. This tutorial is premised on ensuring | | | | when the location of the camera is changed |
| that one gets a thorough understanding of image | | | | relative to the subject. One will therefore find that |
| quality, perspective, focal length, aperture of | | | | a wide angle lens is likely to exaggerate or stretch |
| f-stops and the difference between zoom and | | | | the perspective, while the telephoto lens will |
| prime lenses. Digital SLR cameras have lenses | | | | compress or flatten the perspective. |
| whose main aim is to direct light rays so that the | | | | The other factor that is influenced by focal length |
| image is recreated as lucidly as possible on the | | | | is the susceptibility of the telephoto lens to |
| digital sensor. The main reason for this is to avoid | | | | camera shakes during small hand movements. |
| aberrations that occur when image points fail to | | | | One will however find that wide angle lenses are |
| translate back after they have passed through | | | | uniquely resistant to flares simply because of the |
| the lens. This is why the image comes out blurred. | | | | reason that many designers that the sun will |
| The focal length of a Digital SLR lens is what | | | | obviously be within the frame to give a wide |
| determines the angle of view, which translates to | | | | angle of view. In a nutshell both telephoto and |
| how much the subject is supposed to be | | | | medium lenses provide better images with high |
| magnified while taking a photograph. Telephoto | | | | optical quality regardless of the price. |
| lenses usually have larger focal lengths that | | | | |