The main commercial application is still for ultra-fine instruments like astronomical telescopes, very high-quality lenses, special centrifuge parts .
However, there are several high-quality fast lenses available that are relatively inexpensive, particularly in normal lens focal lengths.
Such glass finds application in high-quality lenses for cameras and scientific instruments.
The lack of a mirror allows the rear element of lenses to project deep into the camera body, making high-quality wide-angle lenses easier to design.
Because the company feels that the films can strut their stuff only with the high-quality lenses common to SLR cameras.
Schlieren physics developed out of the need to produce high-quality lenses devoid of these inhomogeneities.
These glasses were used in the construction of high-quality photographic lenses.
Thus high-quality lenses can be made smaller, cheaper, and lighter (wide-angle lenses in particular).
Francis Smethwick ground the first high-quality aspheric lenses and presented them to the Royal Society on February 27, 1667/8.
Now over 150 years old, Zeiss continues to be associated with expensive and high-quality optical lenses.