Optimal FSTOP/Resolution Apparatus and Method for Specified Depth-of-Field

Abstract

A method and apparatus to determine the f(sub stop) that provides optimal image resolution for a predetermined depth-of-field. An approximate and exact method and apparatus are provided to determine the optimal resolution f(sub stop). The optimal resolution f(sub stop) is a function of the lens focal length, depth-of-field in front of the object, wavelength of light, and distance of the object to the lens center. Once the optimal resolution f(sub stop) is determined, the camera is adjusted to the closest discrete f(sub stop) available. When the approximate field technique is utilized, the camera must be adjusted to the discrete f(sub stop) closest to, but not exceeding, the computed f(sub stop).

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Document Details

Document Type
Technical Report
Publication Date
May 17, 2000
Accession Number
ADD019800

Entities

People

  • Bruce J. Bates
  • Mark J. Dipippo

Organizations

  • United States Department of the Navy

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Calculators
  • Cameras
  • Computations
  • Diameters
  • Diffraction
  • Equations
  • Grain Size
  • Images
  • Inventions
  • Micrometers
  • Patents
  • Photographic Equipment
  • Photographic Images
  • Photography
  • Sharpness
  • Spectra
  • Visible Spectra

Readers

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  • Image Processing and Computer Vision.