×

Lens testing apparatus and a lens adjusting apparatus

  • US 5,999,251 A
  • Filed: 02/27/1998
  • Issued: 12/07/1999
  • Est. Priority Date: 12/16/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A lens testing apparatus comprising:

  • a plurality of focusing position detectors for detecting a focusing position on which light rays exiting from a lens system to be tested focus; and

    a calculator for calculating inclination of an image plane caused by relative decentering of lens components in said lens system based on the focusing position detected by said plurality of focusing position detectors.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×