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.

Edition	2005
Standard Part No	1
Published Date	2005
Published By	International Standardization Organisation
Page Count	14