How to use aperture in a sentence

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Sentence Examples Today, Nicol prisms are still very expensive, bulky and of limited aperture. The rotations were measured by anisotropy of fluorescence originating from a small volume defined by a narrow aperture of a confocal microscope. It can be converted from a right-handed weapon to a left-handed one by simply changing the bolt and casing ejector aperture. In order to concentrate more light at the aperture, they placed a glass ball lens on the upper side of the tip prior to the assembly step. In many ammonites the terminal body chamber is relatively large, inflated, and with a constricted aperture or apertural appendages. I placed it over me, slipping my head through the aperture at the top, and then ripping smallish holes in the side for my arms. When the rear asymmetrically split door is fully open its aperture creates another class winning feature. She had wiggled through a tot-sized aperture in the alcove, and toddled over to a display of butterfly nets four feet away. For weeks, it was untouched, then I noticed that something had been pecking around the aperture. This aperture is tellingly mounted atop the heaviest of steel doors, and when it closes, so too does The Circle. Measure the height and width of the aperture, the distance between the bolt holes, and the overall size of the previous fitting. It was bare and whitewashed, with a small square aperture glazed with one cracked, dusty pane at its further end. Base your exposure on the existing light conditions, using a small aperture and the longest shutter speed available. It merely means that you can set the aperture, and the camera will work out the shutter speed that corresponds to the correct exposure. This same control changes the aperture when the camera is put into the A mode. A wide aperture will take care of the background but I don't want any blurring of grass waving in the foreground. I have found that the two most important factors are to have a wide aperture and a fast ISO, the wider and faster the better. A cover slides down to reveal a small keyboard at the front, and uncovers the camera aperture at the back. Over the years, my work with a pinhole as a camera aperture has unerringly led me on a path to the past. A photoelectronic detector measures the light passing through the aperture. Show More Sentences In combination, shutter speed and aperture are the gatekeepers that regulate the amount of light that gets to the film. Even an in-focus image will exhibit some blurring due to the diffraction of light from the camera aperture. It also means that its field of view is somewhat larger than another camera with a smaller aperture. As before, the images were taken with a constant focal length, lighting, aperture, and shutter speed. If these exposure times do not produce the desired effect, change the lens aperture and test again. If too much is in focus, simply open the aperture, put on a longer lens, or move closer. But you can use aperture priority as well as manual exposure, and manually focus the lens. For a camera with only two selectable apertures it's hardly any hardship to do away with aperture priority. Conchs of the Girvan specimens match the diagnostic traits given above in terms of the ligula, aperture and ornamentation on the shell. Such robustness of shell aperture is due to thickening of this part of the shell. The system uses a generalized aspheric optic element placed near the aperture stop of an optical instrument to produce these results. Large aperture reflecting telescopes tend to be a favorite of astrophotographers for their light-gathering ability. The multiple aperture injectors atomize the fuel through a disc with six to ten holes at its tip. Perfect aperture circularity is necessary to obtain an axisymmetric liquid curvature. The first modular manifold receives each of the high purity fluid streams at a corresponding porting aperture. Information on aperture type, exine sculpturing and the diameters of pollen grains were cited from Liang. In the latter case, the rate of enlargement, or sectorial expansion rate, is different among shell portions along the aperture. They will even use a Neutral Density filter as well as the time exposure to keep that small aperture open longer. I play around in manual mode, looking for the perfect combination of composition, shutter speed, and aperture. If I was to use tv mode, shutter priority, then the aperture is too small to allow enough light to pass to the film plane. Show More Sentences In shutter-priority mode you choose the shutter speed and the camera selects an appropriate corresponding aperture. Attempts to increase depth of field by stopping down the aperture resulted in the projected image becoming unacceptably dim. A combination of skyglow, clouds, and insufficient aperture kept me from spotting it, though the sites farther east were much darker. The original image was taken on ASA 50 and with a very small aperture to require a slow shutter speed. You spray it in a big gap, and it sort of foams up dramatically in order to fill said aperture. Twenty-day-old seedlings of these plants grown in pots containing vermiculite were used to observe stomatal aperture. This element is placed in the optical path, typically near an aperture stop of the system to minimize vignetting. I'm getting the hang of my new digital camera and starting to understand the concepts of aperture, shutter speed and exposure. The same suture is then threaded out externally through an aperture a few centimeters distal. A more common use of the hyperfocal distance is maximizing the depth of field for a given aperture. Aging, childbirth and weight gain relax the muscles and the fascia encasing them, collapsing the rim of the aperture. An opening in the mantle cavity serves as an inhalant aperture, whereas the funnel serves as the exhalent aperture. Water is constantly pumped into the inhalant aperture, through the gills, and out the exhalant aperture by cilia. A stamped and formed metal adapter frame is provided for mounting an electrical connector in an aperture in a panel. Some SLR and point-and-shoot cameras provide a landscape-exposure mode that automatically sets a small aperture for you. It has an adjustable iris diaphragm, with up to 10 mm clear aperture, mounted in a 30 mm diameter barrel. Some of our iris diaphragms use a two-iris system to allow them to be closed completely to a zero aperture. In this case, however, it seems to be hard to develop a flat shell form, which rather requires a posteriorly skewed aperture map. The shuttle telescope was to have an aperture of nearly one meter and would be cryogenically cooled. The gerontic aperture is narrowly elongated in species of Eoscoliostoma, but rather circular in Scoliostoma species. Show More Sentences The protoplasm is extruded as pseudopods via the aperture and through any perforations that may be present in the test. The only difference is that faster shutter speeds stop action better, and changes in aperture affect depth of field. Thus, the gerontic aperture of these dextrally coiled shells is situated on the left side in apertural view. A large aperture eyepiece will increase the filed of view and a large diameter, well coated objective lens will enhance brightness issue. The relevant law in this case governs the diffraction of light as it passes the edges of an opening such as a telescope aperture. The second class of disparates have more to do with the particular foibles of the aperture involved. Into the lower part of each frame is provided an aperture to insert an axlebox for each of the driving wheels. Adding an aplanatic meniscus lens to an achromatic lens can increase relative aperture without introducing additional spherical aberration. Large aperture constraints require an achromatic lens for situations needing superior image quality and color correction. The widest zone begins with a belt, composed of two cords and two ribbons, geometrically ornamented, while the aperture is wavily etched. During speech, singing, or playing a wind instrument, the size of the aperture is narrowed and varied, to produce sounds of different pitch. My muscles bunched up, too, as I lifted myself into the aperture, but I didn't have any fat to bunch up with it. Using reflectometers, reflected light of a surface is measured in an angle range which is limited by aperture dimensions. Consider an optical telescope with an aperture of 5 meters, such as the 200-inch reflector at Palomar Mountain in California. I have a large cardboard box the size of a tea chest with an aperture in front which people can see through. If your zoom lens is F2.8, you could try shooting at this aperture setting and using a slower speed film. The latter is known as a photoreceptor, for example, for phototropism, stomatal aperture and entrainment of endogenous rhythms in plants and animals. Although this proved to be a challenge, we eventually were able to get a very small aperture terminal, which is a small earth station for satellite transmission. The huge framework of the reflecting telescope loomed before me, the two-ton Pyrex glass mirror at the bottom, the tube pointing up and out through the aperture in the dome. The innovation in question is the labral tooth, a tooth-like or spine-like protrusion pointing toward the substratum on the edge of the outer lip of the aperture. Show More Sentences Other external departures from tradition include an aperture sight as standard, with the provision for readily mounting other sights and devices topside. Even though they were only illuminated by the light from a street lamp, the length of the exposure allowed him to use a tiny aperture and get magnificent depth of field. His book of essays, Photography After Frank, was recently published by aperture. But as this image shows, the nails actually went through an aperture in the wrists. We specialize in very large aperture etalons with diameters up to 150 mm. For any optical system a measure of the best-possible resolution or resolving power is simply the ratio of the wavelength to the diameter of the aperture. This tri-axle system includes a multi-position spacer which is mounted in a spacer aperture in the skate chassis, which spacer has an axle aperture to receive the wheel axle. These scatter electrons beyond the limiting angle of the objective aperture, leaving fewer to contribute to the image of that region, which thus appears dark. Its anterior siphonal notch is shallow and not adjacent to the columella, and its two nearly parallel folds strengthen within the aperture and are less visible exteriorly. In Trajana, the varix is formed by an outer lip that expands and curls over toward the aperture, bringing the external ribbing over onto the apertural face of the varix. In a right-handed shell, the aperture appears on the observer's right when the shell is held with the apex up and the aperture facing the observer. Based on this data, we added baffles to optimize the light aperture within the spectrometer, thereby eliminating unnecessary rays while maximizing optical throughput. I'm also considering drilling a bigger aperture into the thing. According to Young, diffraction fringes occur as a result of interference between the incident wave and a wave arising from the edge of a diffracting aperture or body. This interpretation is also indirectly supported by the close stratigraphic occurrence of these gastropod genera having such an unusual gerontic aperture. Most heteromorphs form a U-shaped chamber, whereas many normally coiled ammonites inflate or enlarge the terminal body chamber and constrict the aperture. Organic and inorganic particles suspended in the water surrounding the inhalant aperture are brought in by the current and caught in the mucus lining the demibranchs. Some joints are already beginning to crumble and in other cases, the jointing mix was only applied as a veneer to the top of the joint aperture leaving a cavity underneath. Uptake increased with humidity, stomatal aperture and stomatal density. As supplied by the factory, the Crossfire comes with a detachable, ghost ring aperture rear sight that is adjustable for windage with the help of a screwdriver. Show More Sentences The imaging system objective collects the unscattered incident light and the scattered light that falls within the solid angle defined by its numerical aperture. This upgraded version featured a faster barrel change, a simple monopod, tubular stock with cleaning equipment storage and a single aperture rear sight. Don't forget about cleaning the aperture and beam splitter below the aperture using a cotton swab and alcohol. In contrast to all other congenerics, the palatal fold and columellar lamella whorl can be seen in the aperture in oblique view. Vowel height is named for the vertical position of the tongue relative to either the roof of the mouth or the aperture of the jaw. From an aperture on the work's top, a band of a different white, marked by a scratchy, textured craquelure, runs down toward the base like drool. The photograph was taken using a fast shutter speed and a large aperture. They vary in quality according to the degree of lip aperture and the placement of the tongue within the oral cavity. Ventrally the aperture is bordered by an incision, indicating the ventral attachment of the toothplate. Depending on the preservation of the specimen, the flaring collarette surrounding the aperture is perforated or denticulated. The majority are multiocular and characteristically the test has a restricted aperture and internal foramina and a toothplate is often present. Film speed, shutter speed and aperture are the elements to play around with if you want to improve your photography. A mixture of poor diet and poor hygiene caused him inflammation of the emunctory aperture. These include a manual focus ring, manual white balance, exposure control, shutter priority mode, aperture priority mode and sharpness control. Aristotle's apparatus contained a dark chamber that had a single small hole, or aperture, to allow for sunlight to enter. Four azimuthally mounted reflectors of 250mm aperture were specially built for the project at the Paris Observatory. Closing the aperture results in more collimated light, as only light traveling in the right direction can make it through the smaller opening. Serious shooters will gravitate toward the HZ25W's aperture and shutter priority modes as well as full manual control and RAW support. At 6 o'clock, as if suspended above this aperture, the seconds subdial features the same subtle blued steel shade as the hands. As a cell moves through the aperture it causes a blip in the voltage when the nonconductive cell briefly displaces the conductive medium. Show More Sentences Marginellas have smooth, shiny shells with an elongate, narrow aperture three-quarters or more of the total shell length. Measuring the shell from the end of the aperture to the apex reveals the length of the snail. Yellow-gold spherules form within the interpalpebral aperture, usually at the limbus, but may start centrally. Turning the shell over with the aperture flat on a surface and measuring vertically reveals the height of the snail. Sternites subtriangular, with longitudinal striae, 7th segment with fold ventral to gonopod aperture. In the personid genus Distorsio, varix formation is accompanied by a reorientation of the aperture. They possessed a monolete aperture and cristate ornamentation. Cocculinellids have a narrowly elliptical aperture and subcentral apex. This current is then released, concentratedly, thru a narrow aperture formed by the dropping of a carefully restricted portion of the middle of the tongue tip. Aristotle also made the observation that when the distance between the aperture and the surface with the image increased, the image was magnified. The only opening into the inclosure was through a small aperture. When the horn apex angle increases the aperture phase error increases causing a reduction in the horn directivity and an increase in the side lobe level. Additionally, the connecting complex includes an aperture with a removably attached self-sealing membrane through which medications can be administered with a syringe. In germinating grains the aperture membrane is pushed open like a lid. There is simply no aperture from Middle Earth into the modern world that you and I live in, and for that reason I find it extremely difficult to relate to these films. These features cause significant scattering and polarization of the exposure light and must be accounted for to achieve accurate high numerical aperture lithography. ImageFinder interprets aperture card punch coding while locating images. First, the aperture can be adjusted, so it can overcome the defects of the traditional capillary nozzle, such as blocking easily, low productivity, and incompact coating. Discussing the equipment used, Dr Moore explained that in the early 1980s, astrophotographers typically worked with Newtonian telescopes of 20-30cm aperture. The substage condenser must have a continuously variable circular aperture diaphragm and be capable of true Kohler illumination for the full spectral range of 350 to 950 nm. Show More Sentences It also has the correct patent number on the rear aperture or peep sight. The wide aperture combined with a seven-bladed iris diaphragm allows for easy creation of professional-looking photos with smooth, defocused backgrounds. Examples from Classical Literature The resolving power of a telescope with circular or rectangular aperture is easily investigated experimentally. He took out his knife, opened the pipe cleaner, and pressed the narrow blade into the aperture. Corresponding with the clumsy nose are very short nostrils, the commencement of the narial aperture being therefore very far back. In the lower power objectives the angular aperture is to be reduced by the iris diaphragm. The labium is a single organ which projects beneath the aperture of the mouth. This is produced by ligula simplicissima, which escapes by an aperture formed near the vent of the infested fish. He removed these now, and lifted the box on end under the only outside aperture the lumber room presented. The vertical limb of the t-piece is narrowed down at its lower extremity and opens by a small aperture. The reason of the augmentation of resolving power with aperture will now be evident. When the whorls are angulated, a trigonal aperture is the result, as in many species of Trochus. As this letter A is formed by a larger aperture than the former one, it may be called A mega. Beyond that again is a lens which throws an enlarged image of the aperture on the screen, which we may call our mock sun. The nacre of the columella and within the aperture is bluish-green, and the operculum is rich olive. Then the aperture was closed with tiles or marble slabs, carefully cemented. The color is ashen, with chestnut tips upon the nodes and varices, and chestnut-colored patches about the aperture. The surplus flows up into the riser, heating aperture, and gate, effectually closing all of them. The progress of the cementation is discovered by drawing a test bar from an aperture in the side. External aperture of ear always very large, frequently excessive, simple or operculate. He will now perceive that the pupillary aperture is illuminated, and, no longer black, shines with a silvery or reddened light. He cut away three iron bars let into an aperture on the side of the ship on the orlop deck, formerly a part of her hold. Show More Sentences The collimator and observing telescope have an aperture of 25 mm., focus of 200 mm. If we deduct the last measures from the first, the difference of aperture will give the complementary colour. By varying the shape of the aperture we alter the form of the chromatic image. Flap of bone raised at the aperture of exit in the popliteal surface of the shaft. Underneath the stage, which is pierced by a circular aperture, is a diaphragm. Our quarrel was now made up, and we looked about the room for an aperture through which to survey the city of Edina. A small aperture, about the middle of it, sufficed for the emission of his words. It is advisable to focus the enlargement with the largest aperture of the lens. From the duodenum the small intestine or ileum extends with many convolutions to its exit through the cloacal aperture. One of the prominent openings admits the food and the water required in respiration, the other is the excretory aperture. In order to liberate the hand occasionally from its fingerless glove, an aperture was left in the centre of the palm. Merely to show the dependence of resolving power on aperture it is not necessary to use a telescope at all. The Y-shaped aperture thus formed, which leads from the cerebral hemispheres into the third ventricle, is the foramen of Munro. Rhizophysa filiformis, pink, with deep red patch surrounding the aperture of the pneumatocyst. And this edge between the dark and the light then becomes the shadowgraph of this aperture of the camera. Shell straight or curved, fusiform, aperture simple, siphuncle contracted at septa. This Naka Machi had tossed into the aperture where the ape skin had been destroyed. Once I had seen a condemned man step through that aperture at the order of an aristo whom he had offended. Here there was a little more light, for the high-up aperture over the door opened to the air. At the top it is gathered into a dome in the form of a hyperboloid, pierced near the vertex with an aperture 12 feet in diameter. Show More Sentences The star cluster 4400 is about one quarter as broad as the moon, and easily seen with our smallest aperture. In young specimens there are stripes and bands of violaceous brown, and the shells are striate within the aperture. The resolving power of the interferometer is found to be somewhat more than double that of a telescope of the same aperture. The current and intermittency can be regulated by more or less closing the aperture between the two regions. He raised him, almost stifling him as he drew him through the aperture, at the risk of flaying him in the passage. Then I stops the aperture below, by putting the chest agin it. Together, shoulder to shoulder, we gazed through the aperture. The aperture in the vesonator was like that of any bass fiddle. The morning light, however, soon stole into the aperture at the foot of the bed, betwixt those faded curtains. Was it, I asked myself, a ray from the moon penetrating some aperture in the blind? It showed no aperture in the mighty walls other than the tiny door at which I sank exhausted, nor was there any sign of life about it. Again he seized her, and at the same instant the flaps of the tent opened silently and a tall white man stood in the aperture. The window blind blew back with the wind that rushed in, and in the aperture of the broken panes there was the head of a great, gaunt gray wolf. As he was reconnoitring the fort, he perceived an Indian peeping through an aperture. The design of this cave-like aperture should betray its esoteric meaning. What is the aperture, focal length, and name of maker of your telescope? Shell coiled in one plane, aperture wide and simple, siphuncle central. Before me was a small patch of moonlit sky which showed through a ragged aperture. There is an aperture just back of the rykor's mouth and directly over the upper end of his spinal column. The transom was open, leaving an aperture of about three inches. Show More Sentences His straggling locks, usually long, protrude from an aperture in his hat. She crawled through the aperture, Baynes at her heels, and then silently crossed the space to the rugs that partitioned the tent into two rooms. The opercular valves, or pieces placed so as to enclose the aperture. The aperture is large, and completely closed by the operculum. It is greatest with a pinhole, and least with a full aperture. Then before I reached the aperture I heard the yelp of a staghound. Placing his eye close to the aperture he saw the girl and the young man of which the Englishman had spoken seated on opposite sides of a low table upon which food was spread. Into this aperture I insert my tentacles and seize the spinal cord. Even had I been able to wrench away the bars, it would have availed me nothing, since the aperture formed the segment of a circle whose chord was but a very few inches long. Not once did one leave the cliff by any other opening save that from which I had seen the first party come, nor did any re-enter the cliff through another aperture. They set noiselessly to work, and the Parsee on one side and Passepartout on the other began to loosen the bricks so as to make an aperture two feet wide. I thrust a torch through the remaining aperture and let it fall within. Out of the recesses of a dark closet, into which this aperture gave admittance, he brought a large pasty, baked in a pewter platter of unusual dimensions. At length they spoke together, earnestly, in the Delaware language, when Uncas, passing by the inner and most concealed aperture, cautiously left the cavern. After the door has closed behind him, she perceives it thrust partly open, and a vision of her husband's face, through the aperture, smiling on her, and gone in a moment. A thick canopy of trees hung over the very verge of the fall, leaving an arched aperture for the passage of the waters, which imparted a strange picturesqueness to the scene. Find more words! 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What is the opposite of aperture? Words that rhyme with aperture What is the plural of aperture? What is the adjective for aperture? What is the noun for aperture? Translations for aperture Use our Sentence Generator Nearby Words apertural apert aperitive aperitifs aperitif aperiodic apertures apes apetalous apex APEX apexes 8-letter Words Starting With a ap ape aper apert apertu apertur