# numerical aperture in a sentence

1) The primary factors affecting exposure are magnification and the objective

**numerical**

**aperture**.

aperture collocations

2) This data can be used to calculate the working

**numerical**

**aperture**.

3)

**Numerical**

**apertures**as high as 1.6 can be achieved.

## numerical **aperture** example sentences

4) Microscope objectives are characterized by two parameters, namely, magnification and **numerical**

**aperture**.

5) The larger

**numerical**

**aperture**allows collection of more light making detailed observation of smaller details possible.

6) The sine of this maximum angle is the

**numerical**

**aperture**(NA) of the fiber.

7) The critical angle determines the acceptance angle of the fiber, often reported as a

**numerical**

**aperture**.

8) DHM is diffraction-limited by the

**numerical**

**aperture**, in the same way as traditional light microscopy.

9) The

**numerical**

**aperture**of the optical pick-up head is 0.65, compared with 0.6 for DVD.

10) This Cone of Acceptance is often called the

**numerical**

**aperture**and is equal to sin N .

11) Suppose that the standard time for a 25x objective of

**numerical**

**aperture**0.40 is 0.15 seconds.

12) The sine of this maximum acceptance angle is called the

**numerical**

**aperture**, NA, of the fibre.

13) New N.A. is the

**numerical**

**aperture**and New Magnification the magnification of the objective having unknown exposure characteristics.

14) Exposure varies directly as the square of the magnification and inversely as the square of the

**numerical**

**aperture**.

15) A more accurate method to determine the condenser working

**numerical**

**aperture**uses a Bertrand lens and an ocular micrometer.

### example sentences with **numerical** **aperture**

16) Resolution requirements below 20 nm require higher **numerical**

**aperture**(N.A.) EUV optical systems supported by multilayer optics.

17) Objective lenses with higher magnifications normally have a higher

**numerical**

**aperture**and a shorter depth of field in the resulting image.

18) Narrower intensity distributions (at higher

**numerical**

**apertures**) can approach each other more closely and still be resolved by the microscope.

19) While objectives can be built with very high

**numerical**

**apertures**, a limit is reached when light can no longer cross the interfaces between different refractive indices.

20) Immersion oils allow the camera to view a higher resolution by increasing the

**numerical**

**aperture**to around 1.42, instead of just 1.0 with air alone.

21) In these equations, ν is the frequency in cycles per millimeter, λ is the wavelength of illumination, and NA is the

**numerical**

**aperture**.

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