• Zoom In: It is aprocess to compress the size of an image. It is also called “Minimization.”
  • Zoom Out: It is a process to expandor increase the size of an image. It is also known as “Maximization.”

Optical Zoom

In a digital camera, the zoom is a feature. It uses optics in the lens to zoom in the size of any object in the image without moving closer. The digital camera is also having a concept of digital zoom. Digital zoom uses digital technology to get closer shots. It is actually beyond the capabilities of the camera lens. A digital zoom has 300x zooms in capability.

How to Use Zoom In and Zoom Out

Some programs and browsers allow us to use keyboard shortcuts to zoom in and zoom out an image and a web page also.

Difference between digital zoom and optical zoom

In Digital Zoom-

  • It crops the image and zoom in the selected portion of the image
  • Sometimes it results in the loss of quality.
  • The focal length and magnification of the lens are changed when it is zoom in.
  • It results in high zooming quality with a zooming range.
  1. Adjustable focal length.
  2. Provide a zoom ring on the lens.
  1. Difficult to maintain.
  2. Sometimes susceptible due to dust and bad weather.



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