The phrase "a negative lens" is correct and usable in written English.
It can be used when discussing a perspective or viewpoint that emphasizes negative aspects or interpretations of a situation.
Example: "When analyzing the report, it’s important to avoid viewing the data through a negative lens, as it may skew our understanding of the overall trends."
Alternatives: "a pessimistic viewpoint" or "a critical perspective".
I was surprised that you chose to interpret Oprah Winfrey's decision to stop endorsing books through a negative lens ("Oprah Demurs," editorial, April 10).
These use a negative lens element between the object and the eyepiece, which has the added attraction of providing some field flattening as well.
In a negative lens (one that gives a virtual image), F2 lies to the left of P2, and the posterior focal length f′ is negative.
Most land vertebrates, including mammals, reptiles and birds, have lensed eyes with a refractive cornea, which includes a negative lens that enlarges the image projected into the back of the eye.
If "the public looks at the condition of America's children largely through a negative lens," worries Child Trends, a leading child research organization, "it may be more difficult to develop and support effective policies and programs that promote child well-being".
The fully expanded cavitation bubble acts as a negative lens and strongly defocusses the incident laser beam, thereby reducing the laser fluence at the target surface.
In the transformed system, we place a paraxial negative lens right behind the kinoform lens to collimate the convergent beam.
To apply this transformation in the Wigner function, we insert a paraxial negative lens directly into Eq. 1.
The negative sign of n2 indicates that the self-defocusing phenomenon has taken place and these structures can be considered as a thin negative lens.
Via another lens (L3) and a negative cylindrical lens (CM) the light that is already dispersed into its frequencies is line-focused into a second, identical VIPA (V2) arranged perpendicularly to the first.
Thus barium, a potassium channel blocker inhibits compensation to defocus of both signs, while bumetanide, a common loop diuretic approved for human use, demonstrates a selective inhibition on negative lens defocus induced refractive change in the chick.
