Examples of 'field lens' in a sentence
Meaning of "field lens"
field lens: this phrase refers to a specific type of lens used in photography, optics, or microscopy. It is designed for capturing images or focusing light in specialized fieldwork or scientific applications
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- a positive-powered lens or group of lenses that comes after the objective lens and before the image plane or the eyepiece, serving to change the size of the image
How to use "field lens" in a sentence
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field lens
The first lens component functions as a field lens.
The lens and the field lens advantageously form an afocal system.
A central part of all telecentric optics is the field lens.
The field lens need not be located exactly in the centre of the image.
Certain aberrations are corrected by a tilted field lens and by spherical lenses.
The field lens group is positioned near the intermediate image to correct chromatic aberrations.
The lenses are called the eye lens and the field lens.
The lens LA is a field lens which contributes to the pupillary imaging.
Throughout the present invention, a telecentric optic always comprises a field lens.
It is now quite easy to reach the field lens with the handblower.
A special field lens that may be used for this invention is a Fresnel lens.
These two lenses are called the field lens and the eye lens.
A special field lens that may be used for this invention as well is a Fresnel lens.
This may be achieved for example by altering the configuration of the field lens 3.
In this example, the field lens group contains one element.
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The field lens group 62 is the last on the right and contains refractive elements.
The free form reflector thus defined, illuminates the field lens in a rectangular manner.
This field lens is not indispensable, but it improves the optical assembly.
Also, collimated light can be more efficiently focused by a field lens to the projection lens.
For example, the field lens may easily be replaced by a spherical mirror.
In this variant, there is no field lens LC.
According to one embodiment, the field lens 5 may also be formed from a conventional Fresnel lens.
Polarized light from source 1 passes firstly through field lens 2.
An F-theta lens is a flat field lens forming a focal plane.
The field lens 30 is also multifocal, as in the definition given above.
According to one production variant, the field lens 5 may be omitted.
Bochang Field Lens and Shengkete(Sino-Galvo is optional ) Galvanometer.
In particular, the multifocal field lens 30 may have any known shape.
The optical system of the projecting ophthalmic lens 10 comprises a field lens 2.
There is no field lens at the slit 44.
Polarized light from the source 1 passes firstly through a field lens 2.
Finally, field lens group 114 contains two refractive elements.
The last optical element on the right end of the optical axis is field lens 30.
Instead of a field lens 21 and planar mirror 22, a concave part-spherical reflective element may be provided.
The relay lens 221 is more particularly a field lens.
One of the portions A1 is refocused by a second field lens 11b and detected by horn 5a.
Optical components unique to first optical system 12 include a first objective lens 30 and a first field lens 32.
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