An aperture diaphragm (STOP) is provided between the first lens (L11) and the second lens (L12).
Said architecture has an aperture diaphragm separate from the cool diaphragm (5), thereby bringing about structural flux variations over the length of the sensor (6).
The imaging device comprises an imaging lens (1-1) and an aperture diaphragm (1-2), and the aperture diaphragm (1-2) is located on the front focal plane of the imaging lens (1-1).
The projection optical system includes an aperture diaphragm (AS) for defining the numerical aperture of the projection optical system.
At least three negative lens elements are disposed between the first lens group and the aperture diaphragm.
The assembly has a plurality of lenses, an aperture stop, and a holder for holding the lenses and the aperture stop in spaced relation along an optical axis.
The systems include an aperture stop (S4; Fig. 1A) and three lens units.
A polarizing element can be positioned in the resonator, along with an aperture stop.
The aperture stop has a non-rotationally symmetrical aperture through which the optical axis extends.
An aperture stop (AS) is provided in an optical path from the first reflecting mirror to the second reflecting mirror.
The iris is positioned in the beam path in such a way that it only acts as an aperture iris diaphragm and not as a field of view diaphragm.
12-blade internal aperture, controlled by a dial on the front of the optic
The microscope stand foot is designed to accept a lighting device with optical components and an aperture and lamp field stop.
At least one aperture stop is positioned along at least one of the primary color component light paths to balance relative intensities of the primary color components of light.
The depth of field of optical systems can be extended with a phase mask placed in the pupil.
The aperture diaphragm has an aperture unit of a necessary shape for making the numerical aperture of the light flux reaching each point in a predetermined region almost uniform not depending on the direction.
The invention proposes to use a diaphragm varying in diameter, in particular a polarising filter arranged in the optical path in order to adapt the aperture to each type of optical recording medium (AT) used.
A circular barrel aperture helps to create attractive, even background bokeh when isolating subjects at large apertures.
The hologram recording medium (55) reproduces an image of light that has passed through the first aperture diaphragm (10) out of the light irradiated from a scattering plate (6).
An endoscope objective optical system (1) comprises a positive first group (G1), an aperture diaphragm (S), and a positive second group (G2) sequentially from the object side.
The first lens unit (L1; Fig. 1A) has a positive power, is located on the object side of the aperture stop (S4; Fig. 1A), and forms a telecentric pupil for the lens system.
Because the entrance pupil of the system is real and not virtual, the aperture stop of the system is coincident with the entrance pupil, resulting in a significant reduction in beam wander about the front of the optical system.
The imaging lens has an aperture stop (S1), a first lens (L1), a second lens (L2), and a third lens (L3) that are arranged in that order from the object side to the image side.
Underframe (1) of air conditioner is provided with aperture diaphragm (8) capable of regulating the resin injected from resin injection port (7a) in the course of the flow thereof.
A spreader is positioned between the secondary mirror/lens and the SAL detector, possibly on the secondary mirror, away from the aperture stop and not in the optical path to the IR detector.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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