The JIS B 0090 family of standards specifies the representation of design and functional requirements for optical elements in drawings used for manufacturing and inspection. Note: The corresponding international standards for this standard are shown below. The symbols representing the degree of correspondence are IDT (matched), MOD (modified), and NEQ (not equivalent) based on ISO/IEC Guide 21.
JIS B 0090-4:2001 history
2001JIS B 0090-4:2001 Preparation of drawings for optical elements and systems -- Part 4: Material imperfections -- Inhomogeneity and striae