What to consider When selecting the Dslr Lens

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Do you ever feel indecisive when selecting a Lens for your DSlr? I know it is very annoyance, because cost of Lens is one of the consideration.

So, before selecting a Lens, ask yourself what you need, what is the object you want to captured using the lens? So, below is the three main factor that need to be determined before you buy your lens to suit your DSlr Camera.

Zoom Lens

1.Focal Length
2.Prime or Zoom
3.Maximum Aperture

How to What to consider When selecting the Dslr Lens

Focal Length
Distance of the objects is the impact to resolve the focal length. Nearer object using shorter focal length, and supplementary object using longer focal length. So, how to resolve the amount of focal length? Here is some example.

below 35mm: Landscapes and Interiors
35mm to 70mm: Portraits
70mm to 300mm: Portraits and Sports
300mm and higher: Wildlife and Sports

Prime or Zoom
Prime lens is the lens that cannot zoom in or zoom out, but Zoom lens can do so. Zoom unquestionably is controlling the focal length. Probably people will ask, why still have to pick for prime lens if I got best option that can be zoom as I like? Here is some straightforward comparison.

Cost: For same specification, prime lens is cheaper than zoom lens.
Quality: Most people are agree this, the Photo taken by prime lens is best than zoom lens.
Weight: Prime lens is lighter, zoom lens is heavier.
Speed: In term of aperture, prime lens is faster than zoom lens.

Flexibility: If you want to capture Photo for all focal length such as landscape, interior, portrait, sport. You just need one zoom lens to zoom in and zoom out. If you prefer prime lens, may be you need three.
Price: Do you think total cost for three prime lenses will cheaper than one zoom lens?
Portability: Do you think carry three prime lenses will easier than one zoom lens?

Maximum Aperture
Now what is the fancy we have to resolve the maximum aperture for a lens? Because the lenses have the wider maximum aperture ordinarily are costly. Wider aperture allow more light in, narrower aperture allow less light in. If you taking indoor picture, the light condition indoor is not as good as outdoor, so you need wider aperture to let more light in, if not, the photo you taken will look dark.

Another fancy is to suit shutter speed. We need faster shutter speed to take photo for fast object. When your shutter speed is set to very short period, example 1/2000 second (just 0.005 second), and you do not set your aperture wider, then the photo you taken will become underexposure, it look dark.

Last, is about the depth of field, the blurry background is caused by this impact. Wider aperture is decrease the depth of field, background blurry; narrower aperture is increase the depth of field, background clearly.

As closing of this topic, it is all about the monetary problem. If I do not consider about my cheaper status, I will pick focal length with 18mm - 300mm, zoom lens, maximum aperture by 1. But reality is cruel, I have to be more intellect, so I pick focal length 50mm, prime lens, with maximum aperture by 3.5.

What to consider When selecting the Dslr Lens

Digital Photography Secrets by David Peterson Click Here!

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