IS 988-1959

标准号：IS 988-1959
发布日期：1959/9/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围： This standard prescribes the general technical requirements and the methods of test for the following types of finished basic optical com-ponents used in optical instruments or optical systems:a) Lensesb) Prismsc) Mirrorsd) Graticules or diaphragmse) Plates, parallel and prismaticf) Optical filters1.1.1 For the special requirements governed by the individual assembly, location or function of the component in a particular system or instrument, reference should be made to the relevant specifica-tion for the instrument or svstem, as the case may be.