Số hiệu tiêu chuẩn
DIN 58209-1
Tên tiêu chuẩn
Lensometer; requirements and test conditions for analogous indicating instruments
Ngày phát hành
1980-02-00
Tiêu chuẩn tương đương
ISO 8598 (1996-08), MOD * ISO/DIS 8598 (1986-11), IDT * ISO/DIS 8598 (1990-03), IDT * TS EN ISO 8598 (1997-04-16), NEQ
Từ khóa
Contact lenses * Cylindrical shape * Dimensions * Frontofocometers * Inspection * Marking * Measurement * Measuring instruments * Optical equipment * Optical instruments * Optical measurement * Optics * Prismatic shape * Refractometers * Refractometry * Specification (approval) * Specifications * Spectacle lenses * Test lenses * Testing * Tests * Tolerances (measurement) * Vertex dioptric power * Numerical display * Fine mechanics * Testing glasses * Error limits * Refractive index * Metrology * Measuring ranges * Tasting glasses * Deflection * Spherical * Reading * Lens power