What’s a Prime Lens?

A prime lens has a fixed focal length.Like this sample.

Canon EF 50mm f/1.8 II Camera LensCanon EF 50mm f/1.8 II Camera Lens Nikon 50mm f/1.8D AF Nikkor Lens for Nikon Digital SLR CamerasNikon 50mm f/1.8D AF Nikkor Lens for Nikon Digital SLR Cameras

The focal length of the lens is set to one number and cannot be changed. If you enjoy taking photos at 28mm, 100mm and 300mm you’ll need 3 lenses, one for each focal length. They’re High Quality they’re give clearer photos than zoom lens and lighter in weight If you want a digital SLR camera with maximum portability, just attach a really nice lens to it and go on your way.

You can also get reasonably priced prime lenses with wide apertures that let in a lot of light. These are the perfect lenses for photographers who want to photograph in low light without using the flash.

Zoom Lens

A zoom lens has a variable focal length.Like this.

Canon EF 28-135mm f/3.5-5.6 IS USM Standard Zoom Lens for Canon SLR CamerasCanon EF 28-135mm f/3.5-5.6 IS USM Standard Zoom Lens for Canon SLR Cameras

Nikon 55-200mm f/4-5.6G ED IF AF-S DX VR [Vibration Reduction] Zoom Nikkor LensNikon 55-200mm f/4-5.6G ED IF AF-S DX VR [Vibration Reduction] Zoom Nikkor Lens

These are the most common types of lenses available for digital SLR cameras. The standard lens packaged with many new digital SLRs is an 18-55mm zoom. Because flexibility offered by these lenses is very appealing to photographers who are just starting out with an SLR.
If you want to get a zoom lens that performs photo quality as well as a prime, you’re going to spend a lot of money.
Zooms lens cover a range of focal lengths, so any zoom you look at will always reference two numbers: the wide angle setting and the telephoto setting. Like this a 28-300mm zoom. Is
• Wide angle setting: 28mm
• Telephoto setting: 300mm

Zoom Range:

Wide Angle to Wide Angle:      10mm to 28mm

Wide Angle to Telephoto:        28mm to 300mm

Telephoto to Telephoto:          100mm to 600mm

Super Zoom :                         18mm to 300mm

Super zoom is a good lens to get started with (it gives you a wide range of photographic opportunities) .If you discover what you love to photograph, you can getting a specialty zoom that just covers the range you use the most.

Next tomorrow…

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