Search results
Results from the WOW.Com Content Network
Optical glass refers to a quality of glass suitable for the manufacture of optical systems such as optical lenses, prisms or mirrors.Unlike window glass or crystal, whose formula is adapted to the desired aesthetic effect, optical glass contains additives designed to modify certain optical or mechanical properties of the glass: refractive index, dispersion, transmittance, thermal expansion and ...
Ries with raw block of optical crystal at Schott Optical. Ries's sculptures are noted for their changing internal optical compositions and technical proficiency. Ries's primary medium is clear lead crystal, a glass with an unusually high refractive index, extreme light transmission in the visual range, and outstanding homogeneity.
The new Jena optical glass also opened up the possibility of increased performance of photographic lenses. The first use of Jena glass in a photographic lens was by Voigtländer, but as the lens was an old design its performance was not greatly improved.
The calculation of glass properties allows "fine-tuning" of desired material characteristics, e.g., the refractive index. [1]The calculation of glass properties (glass modeling) is used to predict glass properties of interest or glass behavior under certain conditions (e.g., during production) without experimental investigation, based on past data and experience, with the intention to save ...
The Canon FL 58 mm f /1.2 uses thoriated glass elements [1] Thoriated glass is a glass material used in the manufacture of optical systems, specifically photographic lenses. It is useful to this process due to its high refractive index. Thoriated glass is radioactive due to the inclusion of thorium dioxide, oxide of radioactive element thorium.
If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1258 ahead. Let's start with a few hints.
A catadioptric optical system is one where refraction and reflection are combined in an optical system, usually via lenses and curved mirrors . Catadioptric combinations are used in focusing systems such as searchlights , headlamps , early lighthouse focusing systems, optical telescopes , microscopes , and telephoto lenses .
Government-funded subsidies should be limited to healthy foods that nourish the body and mind while local municipalities must make neighborhoods safe for outdoor physical activity. Trump Taps Rfk Jr.