| -- End Ad Box ---> | | | | technology by which offers superior peripheral |
| In my profession as a photographer, I rely on the | | | | brightness, extreme high image quality as well as |
| materials I have, the camera and the lens. | | | | a compact and lightweight construction. Special |
| Currently I am using Nikon D80 and the lens I | | | | Low Dispersion (SLD) and Extraordinary Low |
| have is Sigma 18-50mm f2.8 EX DC Macro HSM | | | | Dispersion (ELD) glass elements provided with |
| which I am really fond of. | | | | excellent correction of color aberrations. |
| I want to discuss about this lens in particular and | | | | Another feature it provides is the super |
| why I liked this so much. Sigma 18-50 mm has a | | | | multi-layer coating that reduces flare and ghosting |
| large aperture of F2.8 throughout the entire zoom | | | | which is a common problem with digital cameras. |
| range, complete with minimum distance of 20cm | | | | A high quality image is assured throughout the |
| (7.9) and a maximum magnification of 1:3, | | | | entire zoom range. Also an inner focusing system |
| making it ideal for close-up photography. It is | | | | eliminates front lens rotation making the lens |
| specifically designed to suit the characteristics of a | | | | particularly suitable for using the petal-type lens |
| digital SLR camera which provides a high level of | | | | hood (supplied) plus circular polarizing filters. |
| optical performance. | | | | The sigma macro lens is as useful as you can get, |
| And because it is F2.8 this lens can take fast | | | | it can help you in your professional aspiration as a |
| photography meaning it can be used for sports | | | | photographer. There might be a comparison with |
| and any fast moving objects, also this eliminates | | | | other camera lenses but I can proudly agree upon |
| blur from photos. The design is incorporate with | | | | that the sigma macro lens is one of the best |
| both glass-mold and hybrid aspherical lens | | | | camera lenses I have ever used. |