The document specifies the characteristics of formers which are used in edging machines to edge lenses designed for insertion into spectacle frames. It is not applicable to separate formers required for supplementary treatment of lenses, for example facetting.#,,#
DIN EN ISO 11380:1996 history
1996DIN EN ISO 11380:1996-08 Optics and optical instruments - Ophthalmic optics - Formers (ISO 11380:1994); German version EN ISO 11380:1996
1996DIN EN ISO 11380:1996 Optics and optical instruments - Ophthalmic optics - Formers (ISO 11380:1994); German version EN ISO 11380:1996