How To Use Concave lens In A Sentence

Such cases are known as nearsightedness and are corrected by having placed in front of the eyes concave lenses of the proper strength. The Science of Human Nature A Psychology for Beginners
For medium and large optical concave lens into a set or single piece of fine grinding process.
Concave lenses with minus or divergent power correct this refractive error and refocus the light rays on the correct point on the retina.
Concave lenses with minus or divergent power correct this refractive error and refocus the light rays on the correct point on the retina.
The invention provides a method with a concave lens focus as a welding heat source and a welding device thereof.

A concave lens has been substituted for the collimator and slit, and besides other advantages, a great saving in length is secured by this change. Scientific American Supplement, No. 601, July 9, 1887
An approach is proposed, which emphasizes the importance of concave lens which can scatter the laser and make it an ideal signal source to be captured by the CCD lens.
Some are flared - that is, thicker at the rim than the center, like a concave lens.
Similar double curvatures were used for concave lenses, and even more complicated corrections for astigmatism.
Similar double curvatures were used for concave lenses, and even more complicated corrections for astigmatism.
The surfaces of the concave lens may be proportioned so as to aberrate exactly equal to the convex lens
Plane mirrors, convex lens and concave lens.
Calculations are made on the position shifts of several low-order ghost images arising from spacious reflections at surfaces defining an isolated convexo-convex lens, concavo-concave lens, and optics forming the so-called 4F system.