Smartphones: Dual Camera


A lot of dual camera phones were made this year (2017) with nice, catchy specifications. Little did we know that these double camera devices started from way back in 2011.

The LG Optimus 3D was announced in February 2011 and the HTC Evo 3D launched on Sprint in March 2011. Both these smartphones (and there were some others) used dual lenses to allow them to take 3D video and 3D photos. They use the same technique used by regular 3D cameras, using those dual lenses to create a sense of depth in images. This was boosted with a 3D display to view those images, without the glasses.

The HTC One M8 that really introduced dual lens cameras to the world and saw HTC trying to do something different. The HTC One M8 was launched in April 2014 and very much used two sensors. February 2016 LG announced  LG G5 and LG G6.

What is the whole deal with these dual cameras:

A dual camera phone refers to a smartphone which has dual cameras on the rear. The built in dual camera is actually a dual lens camera which is also called stereo camera and makes the picture more vivid and detailed. A stereo camera is a type of camera with two or more lenses with a separate image sensor or film frame for each lens. This allows the camera to simulate human binocular vision, and therefore gives it the ability to capture three-dimensional images 3D, a process known as stereo photography.

Dual camera phones feature use two cameras including a primary camera and a second primary camera. Primary camera does the same work or with little modification as it does in typical smartphone, while the second primary camera normally has 2 features. The first is to add clarity of the image with the help of monochrome feature and the second is for zooming purposes.

Though different companies manufacture these cameras, they are typically designed to resemble a video camera. A basic digital camera is often designed to appear and function more like an older film camera. While this certainly works well for taking still images, such a design can make capturing video images more difficult

Advantages of dual lens camera in smartphone Refocus ability, Faster focus, Greater depth of field in pictures, better picture clarity.

If you are someone who is so much into taking photos best thing is to grab a dual camera phone.




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