scope:

This Specification presents criteria for the evaluation of materials and defines the test method to be used to evaluate these materials. Programs are encouraged to develop criteria, specific to the needs of the Program, that insure that the optical surface functions at the level established by the Program.

This standard applies the following: All mandatory actions (i.e., requirements) are denoted by statements containing the term, "shall." The terms: "may" or "can" denote discretionary privilege or permission; "should" denotes a good practice and is recommended, but not required; "will" denotes an expected outcome; and "are/is" denotes descriptive material.