Customer Service:
Mon - Fri: 8:30 am - 6 pm EST

 Most recent

ISO 14490-1:2005

Optics and optical instruments - Test methods for telescopic systems - Part 1: Test methods for basic characteristics

ISO 14490-1:2005 specifies the test methods for the determination of the following basic characteristics of telescopic systems and observational telescopic instruments:

  • angular magnification;
  • entrance pupil diameter;
  • exit pupil diameter and eye relief;
  • angular field of view in the object space;
  • angular field of view in the image space;
  • angular field of view in the object space for spectacle wearers;
  • collimation of the bundle of rays emergent from the eyepiece;
  • image rotation;
  • closest distance of observation.

Content Provider
International Organization for Standardization [ISO]


ANSI Logo

As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

CUSTOMER SERVICE
NEW YORK OFFICE
ANSI HEADQUARTERS