18383487. ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME simplified abstract (CANON KABUSHIKI KAISHA)

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ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME

Organization Name

CANON KABUSHIKI KAISHA

Inventor(s)

Kohei Kimura of Saitama (JP)

ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18383487 titled 'ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME

Simplified Explanation

The patent application describes a zoom lens with a specific configuration of lens units that allows for variable distances between the units during zooming, while maintaining a predetermined condition.

  • First lens unit with negative refractive power
  • Second lens unit with positive refractive power
  • Three or more lens units in total
  • Varying distances between adjacent lens units during zooming
  • Specific predetermined condition is satisfied

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      1. Potential Applications
  • Photography and videography equipment
  • Surveillance systems
  • Medical imaging devices
      1. Problems Solved
  • Maintains image quality while zooming
  • Provides flexibility in adjusting focal length
  • Reduces aberrations and distortions in images
      1. Benefits
  • Improved image quality
  • Versatile zoom capabilities
  • Enhanced performance in various applications


Original Abstract Submitted

A zoom lens includes, in order from an object side to an image side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and three or more lens units. A distance between adjacent lens units varies during zooming. A predetermined condition is satisfied.

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