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Showing posts with label Factors. Show all posts
Showing posts with label Factors. Show all posts

Sunday, May 8, 2011

Factors to think When Buying a Camera Lens



Digital Photography Secretsby David Peterson Click Here!
How to

Purchasing a DSlr or Digital particular Lens Reflex Camera comes with a basic kit Lens that could give decent potential pictures. But the benefit in DSlr Cameras is being able to switch lenses, depending on the type of shot you want. There are remarkable zoom lenses or macro lenses, for example.

Here are some factors to consider when buying a Digital camera lens:
The Glass
o Focal distance - It is the actual distance in-between the focal lane of the lens and the rear element, measured in millimeters (mm). This is where the light's parallel beams enter the lens converging onto a point. It determines the viewing angle of the lens. When there is a shorter focal length, the field of view becomes wider, providing more scenes for your camera to capture. When you growth the focal length, the actual field of view becomes narrower.

Zoom Lens

o Aperture - It is one of the mechanisms that operate the actual "amount of light" passing straight through the lens towards the image sensors. It is also referred as "f-stops," like f/2/8. The smaller the number, the larger the opening. This means more light enters the camera. Since it begins to fetch added light, a type of lens that allows you to open to a wider aperture also enables you to have a faster shutter speed. Such feature is requisite in low lighting conditions to fetch sharp images, especially straight through a handheld camera.

How to Factors to think When Buying a Camera Lens

o Image Stabilization - Slower shutter speed can ensue to blurry Photos when cameras are handheld. Image stabilization counteracts the shaking, allowing one to shoot distinct handheld shots amidst low lighting conditions. Canon's term for this is Is (Image Stabilization). Nikon use the term Vr (Vibration Reduction).

Zoom lenses included in a collection of DSlr kits offer focal lengths ranging from 18 to 35mm. Depending on the cropping potential of the camera, it can reach up to 55mm. This means that you can go from only a moderate "wide-angle" view towards a so-called "slight telePhoto."

If you have plans of expanding your Digital camera's features, here are some things you need to consider:
o Prime Lenses - These should possess a longer type of zoom lens or a lone focal distance in the middle of 35mm up to 85mm. Prime lenses have a great glass on them.

If you get the "fixed-length lens", there is a tendency that you will be required to move colse to when getting your shot. Of course, over a distinct time, this will already help you make great compositions. Prime lenses also possess a wider type of maximum aperture, production it easier to get sharper shots, especially under low lighting.

o Zoom Lenses - For those wishing to get action Photos, the best would be the "telephoto lens" which ranges from 100mm up to 300mm. This is due to the Dslrs crop factor. There is not much zooming needed. A good example would be Nikon D40 which has a 200mm type of telephoto lens that can turn into a 300mm one.

Factors to think When Buying a Camera Lens



Digital Photography Secrets by David Peterson Click Here!

See Also : Compare Digital Camera Best Buy Roth Accessory Kit for Handy Cam Panasonic Lumix DMC-GH2 Sigma 70-300mm f/4-5.6 SLD DG Macro Lens