| abstract |
The present invention relates to optical glasses useful for the application areas imaging, sensors, microscopy, medical technology, digital protection, photolitho-graphy, laser technology, wafer/chip technology, as well as telecommunication, optical communications engineering and optics/lighting in the automotive sector, with a refractive index of 1.80 ≤ nd ≤ 1.95 and an Abbe value from 19 ≤ vd ≤ 28 with excellent chemical resistance and stability to crystallization comprising the following components (based on weight.-% of the oxides): |