Executive Summary By David Peterson
Your lens is an essential element to good photographs. People spend thousands of dollars on a good camera and neglect the lens.
Make sure you buy a good camera lens when purchasing a camera. Buy a good camera as well, but don't neglect a good camera lens.
Why? The lens is what your camera sees all your shots through. With most compact digital cameras, you can't change the lens. Avoid a plastic digital camera lens because it doesn't have the clarity of a glass lens.
What model of lens?
Stick with camera lenses from well known manufacturers like Nikon, Canon and Pentax. Ensure you purchase a lens that works with your camera too. A Nikon camera lens usually won't work well with a Canon camera.
Types of Camera Lens
The most common lenses are : Wide Angle,
Lens Focal Length
The Focal Length of a lens determines the amount of magnification and angle of vuew the lens can see.
20mm to 35mm
- Zoom; A Zoom lens can change it's focal length to zoom in. A Zoom lens might have a Focal Length of between 50mm and 150mm.
Some lenses are interchangeable between film cameras and digital cameras, but you need to be aware that the effective focal length CHANGES between film and digital. So using a film 35mm lens on a digital camera has an effective focal length of 56mm.
A 35mm lens which gives a medium wide angle on a film camera acts as a traditional lens on a digital camera
Lens Speed
The 'speed' of a digital camera lens also defines a lens. Faster lenses are more expensive and usually heavier.
More expensive lenses have more advanced features.Try to find a digital camera lens with this feature.
- Filter Thread. A badly composed picture won't look great with a great camera lens.
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