| In digital photography, there are plenty of lenses | | | | conveniently fix for moderately wide angles of |
| to choose from and one can be mounted on your | | | | views, rectilinear ultra-wide angle lenses with |
| digital SLR, all of them has their own area of | | | | angles of view bigger than ninety degrees are |
| expertise that one would not attain. One of them | | | | hard to design. |
| are the fisheye lens, it is a wide-angle lens that | | | | Using a Nikon D90 fisheye lens commonly capture |
| takes in an extraordinarily wide and hemispherical | | | | an image in a circular curves. But it is true that |
| photos. Basically, the above mentioned lens is | | | | fisheye lens is not a lens to use all the time, it is |
| mainly developed for astronomy and known as | | | | certainly not a good idea to keep attached to |
| the whole-sky lenses, then it quickly became | | | | one's camera while walking around unless you are |
| famous in general photography. It is best suited in | | | | a photographer who cover all of your photos in |
| full frame DSLR, like the Nikon D90. Nikon D90 | | | | fisheye and when sometimes the right picture |
| fisheye lens lets you capture some great | | | | does not come along, a fisheye lens can |
| landscapes and seascapes because you will be | | | | sometimes creates a stunning photos. |
| able to emphasize to curve of the Earth. | | | | Popular use of fisheye lens is in the sport of |
| Its focal lengths depends on the cameras | | | | skateboarding; photographers used fisheye lenses |
| formats. For the popular 35mm format, | | | | so they can get the camera as close as possible |
| commonly focal lengths of the fisheye lenses are | | | | to their subject and still absorb a clear full view of |
| between 8mm and 10mm for circular lenses and | | | | their subject. It is a one good lens that can be |
| 15-16mm for full frame lenses like the Nikon D90. | | | | mounted on your digital cameras to acquire unique |
| Often ultra-wide angle lenses agonize from some | | | | photographs. |
| amount of distortion. While this can be | | | | |