• 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

How to Use Zoom In and Zoom Out

Difference between digital zoom and optical 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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