Objective Lens - Law Dictionary Search Results
macro lens
Matched in: Term macro lens
objective lens
Matched in: Term objective lens
Camera obscura
An apparatus in which the images of external objects formed by a convex lens or a concave mirror are thrown on a paper or other white surface
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Cinematograph
a screen a series of pictures moved rapidly 25 to 50 frames per second and intermittently before an objective lens and producing by persistence of vision the illusion of continuous motion a moving picture projector also any of
magnifying glass
A single convex lens which magnifies the apparent dimensions of objects seen through it and is used to produce an enlarged image
Microscope
An optical instrument consisting of a lens or combination of lenses for making an enlarged image of an object which is too minute to be viewed by the naked eye
Presbyopia
the crystalline lens which produces difficulty of accommodation and recession of the near point of vision so that objects very near the eyes can not be seen distinctly without the use of convex glasses Called also presbytia
Lens
Matched in: Term Lens
Myopia
normally converged so as to produce a distinct image It is corrected by the use of a concave lens … Nearsightedness shortsightedness a condition of the eye in which the rays from distant object are brought to a focus before they reach the retina and hence form an indistinct image while the
eyepiece
The lens or combination of lenses at the eye end of a microscope telescope or other optical instrument through which … end of a microscope telescope or other optical instrument through which the image formed by the mirror or object glass is viewed
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