If you are thinking about buying a Digital Camera with a zoom lens, try to get a 3X Optical Zoom that is 28mm on the wide end (35mm photography), and 105mm on the tele end(35mm photography). 28mm is the perfect lens for People (group shots)and Landscapes, and 105 mm is the perfect Portrait lens.
A 5X Zoom is great,so is a 10X and 12X Zoom Lens, but a good 3X is adequate for regular picture taking. One Digital Camera features a 12X zoom lens, this is equivalent to a 36 to 432mm Zoom lens in 35mm film photography.
Before there were Zoom lenses there were Prime lenses with a single fixed focal length, a good example is the 50mm prime lens shown above, also called a normal lens because objects viewed through this lens have the same perspective as those seen with the naked eye . This lens is used in 35mm film photography.
A Digital Zoom lens that zooms from 28 mm to 105 mm is really five lenses in one. you get:
- 28mm
- 35mm
- 50mm
- 85mm
- 105mm
A 28mm is a true wide angle lens, a 105 mm is a true Portrait lens, you also get all the focal lengths between them, (29-34mm) etc.
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