Type of Camera Lenses for DSLR

Lens selection is one of the most obvious differences between a digicam (a compact digital camera) and a dSLR. The choice of available SLR lenses is extensive, ranging from wide-angle and fisheye lenses up through super telephoto lenses. And along with the wide choice of these different focal lengths, you'll find an even larger range in prices, depending on lens quality and features.

Basically, there are different kind of lenses in market. For example,

• Zoom Lenses
• Wide Angle Lenses
• Standard lenses
• Telephoto Lenses
• Specialty Lenses

The following table provides a overview of what focal lengths are required to be considered a wide angle or telephoto lens, in addition to their typical uses.

Lens Focal Length*	Terminology	Typical Photography
Less than 21 mm	Extreme Wide Angle	Architecture
21-35 mm	Wide Angle	Landscape
35-70 mm	Normal	Street & Documentary
70-135 mm	Medium Telephoto	Portraiture
135-300+ mm	Telephoto	Sports, Bird & Wildlife