Examples of 'positive lens' in a sentence
Meaning of "positive lens"
positive lens: viewing or perceiving something in an optimistic or favorable manner
How to use "positive lens" in a sentence
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positive lens
Each of the lenses is a positive lens or a rod lens.
Most people who have suffered from depression have a hard time seeing themselves through a positive lens.
An additional advantage is the positive lens action of the assembly.
It 's important to face your problems while looking at them through a positive lens.
The diffractive portion and the positive lens system are monofocal.
The positive lens 13 can be constructed of known lens materials with polymeric materials being preferred.
The focusing lens may comprise a positive lens and a correcting lens.
A positive lens generally redirects, converges and / or collimates light into a relatively narrow beam.
Improved vision with the negative and the deterioration of a positive lens indicates myopia.
In a preferred system, a single positive lens has an aspheric front surface and a diffractive back surface.
This is usually achieved by using the Fourier transforming properties of a positive lens for reconstruction.
The positive lens 13 may be any lens which is external to the eye.
The telescope may include an anteriorly positioned positive lens and a posteriorly positioned negative lens.
Alternatively, the telescope may include an anteriorly positioned negative lens and a posteriorly positioned positive lens.
The negative lens 1 and the positive lens 2 are a split cemented component.
See also
In contrast to the Fraunhofer doublet, it has a negative lens first followed by a positive lens.
This combination of a negative 12 and positive lens 13 provides an afocal collimator 4 that exhibits telecentric properties.
Similarly, a different convex insert 59 is also provided to produce a positive lens.
In such a case the positive lens including the gap would replace the pair of lenses 202.
Referring now to FIGURE 6, a different concave mold insert 51 is provided to produce a positive lens.
In this embodiment, a positive lens 350 is implanted in the eye.
The positive lens portion may have, for example, a power from about 10 diopters to about 35 diopters.
Preferably, the negative lens 112 and the positive lens 116 include refractive and diffractive optical elements.
The focusing lens 6 comprises a Gallium Arsenide positive lens 16 and a Zinc Selenide corrector 17.
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Examples of using Positive
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He hoped to see a positive attitude in that regard
Positive feedback from training participants surveyed
That is the positive side of the coin
Examples of using Lens
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Lens changing instructions for lazer eyewear
The surface of the lens is very delicate
Keep lens filters out of reach of children
