How to Choose a Camera Lens for your Needs

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Interchangeable lens camera [ILC] provides you with a lot of photographic capabilities, giving you a higher optical quality, and most definitely a wide range of lenses for you to choose among.

Before you buy that DSLR lens it is important to note that just as each DSLR camera has its own advantages and limitations so do their lenses
Just before we discuss on how to choose the right camera lens for your immediate and concurrent needs, we shall be looking at the different camera models that support the interchangeable lens, they are:

The Digital Single-Lens Reflex Camera [DSLR]
Rangefinder
Electronic Viewfinder Interchangeable Lens [EVIL]
Mirror less Interchangeable camera

Choosing the right lens sometimes may not be as easy as it seems.

We tend to have difficulties choosing from a wide range differentiated majorly by their Focal length and Aperture.

The focal length
You will need to take into serious consideration, the focal length of your lens (usually in mm) as it determines whether your lens is a telephoto (which is quite ideal if you need to take portrait pictures) or a wide angle (which is on the other hand suitable for landscape pictures)
When do I need 24mm-35mm? Architecture, landscape, interiors
When do I need 35mm-85mm? For general use or purposes
When do I need 85mm-135mm? During portraits and candids
When do I need 135mm-300mm? During close sports or close-up action.
When do I need 300mm+? During distant sports, documentary, nature and astronomy

Aperture
The maximum aperture tells how much light can enter into the lens at its peak.
A higher aperture number means the lower the amount of light entering into the lens.
Aperture number f/2.4 to f/3.2 is mostly preferred among lens buyers as it is closer to the brightest lens available f/1.2.

Lenses can also be classified into two options based on their capabilities to zoom,
Prime lenses with fixed focal length, with higher optical quality they are faster and with a major advantage, a wider maximum aperture so if you need a lens that can help you shoot without a tripod even in low light conditions the prime lens is your best bet
Zoom lenses, armed with the capability to allow you zoom into images, you will get a lot of flexibility and ability to view and review an image from a static point. Zoom lenses favours the beginners as it gives a lot of choice than the prime

Lens Mount
They attach the lens to the camera body joining any connections.
They vary in design and might actually look similar to a different manufacturer’s design, note they are not interchangeable

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