18462516. LENS APPARATUS, IMAGE PICKUP APPARATUS, CONTROL METHOD FOR LENS APPARATUS, AND STORAGE MEDIUM simplified abstract (CANON KABUSHIKI KAISHA)

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LENS APPARATUS, IMAGE PICKUP APPARATUS, CONTROL METHOD FOR LENS APPARATUS, AND STORAGE MEDIUM

Organization Name

CANON KABUSHIKI KAISHA

Inventor(s)

MINORU Uchiyama of Tochigi (JP)

LENS APPARATUS, IMAGE PICKUP APPARATUS, CONTROL METHOD FOR LENS APPARATUS, AND STORAGE MEDIUM - A simplified explanation of the abstract

This abstract first appeared for US patent application 18462516 titled 'LENS APPARATUS, IMAGE PICKUP APPARATUS, CONTROL METHOD FOR LENS APPARATUS, AND STORAGE MEDIUM

Simplified Explanation

The patent application describes a lens apparatus with a focus lens unit and a magnification-varying lens unit, controlled by a processor that adjusts the focus lens unit based on the position of the magnification-varying lens unit.

  • The lens apparatus includes an optical system with a focus lens unit and a magnification-varying lens unit.
  • A processor controls the driving of the focus lens unit.
  • The processor acquires the position of the magnification-varying lens unit from a zoom position detector.
  • It determines the target position of the focus lens unit based on locus information that relates the positions of the two lenses for optimal focus.

Potential Applications

- Camera lenses - Microscopes - Telescopes

Problems Solved

- Ensures accurate focus when adjusting magnification - Improves image quality - Enhances user experience

Benefits

- Precise focusing - Seamless transition between magnification levels - Enhanced image clarity and sharpness


Original Abstract Submitted

A lens apparatus includes an optical system including a focus lens unit and a magnification-varying lens unit, and a processor configured to control driving of the focus lens unit. The processor is configured to acquire a detected position of the magnification-varying lens unit from a zoom position detector, and determine a target position of the focus lens unit according to a predicted position of the magnification-varying lens unit based on locus information indicating a relationship between a position of the magnification-varying lens unit and a position of the focus lens unit that is in focus at the position of the magnification-varying lens unit, and the detected position of the magnification-varying lens unit.

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