It is advisable to focus the enlargement with the largest aperture of the lens.
In less than three seconds he had scrambled through the aperture and was stooping over the box.
This singular aperture is peculiarly striking from the simplicity and regularity of its form.
The iron bar was still across the entrance but there was a jagged aperture above and below.
Jacob looked through the aperture on the landward side and saw pleasant things.
An aperture of size sufficient to allow a man to force himself through was soon made.
The smoke from his fire of logs escaped as lazily as it might through an aperture in the roof.
In the lower power objectives the angular aperture is to be reduced by the iris diaphragm.
He had silently and softly removed the clod of peat that blocked the aperture before mentioned.
He pointed to a low aperture in one corner of the roundish space in which they stood.
They make an aperture in the skin by scratching it with a needle, and then they draw the bag out.
Let us turn a telescope with a low aperture on this, and what a sight presents itself!
The beam of light from the small aperture moved visibly across the opposite wall.
Near the base there is an aperture for a tap to draw off the beer, there being no spout or lip.
Drainage is through a small aperture in the north wall, whose outlet is not known.
Then he locked it, again hung the key in the secret aperture and closed the panel.
The fire is made in a hole in the ground, directly under the aperture at the top.
A little aperture in the centre of the iris, through which the rays of light pass to the retina.
It answered to a touch, and the gas went roaring through the aperture like a typhoon.
Hastening up, with Isuke he bent over the aperture of what seemed to be a well.
Short & Simple Example Sentence For Aperture | Aperture Sentence
Ten minutes more and the aperture was cleared.
No aperture and no indentation was to be found.
In the false griffin the aperture is upwards.
It was a square aperture of about two feet in extent.
Outer lip flattened; aperture black.
A telescope of 3-inches aperture should show it well.
Now the aperture admitted a pale gleam upon his chest.
Edward Henry approached the aperture and gazed within.
Beside this trigger there was a small square aperture through the wood.
I bent my head backward and looked up through the aperture in the ceiling.
He leant through an aperture in the side of the cradle and listened intently.
His eyes were still fixed on the gaping aperture in his sock.
Suddenly a long aperture of light appeared in the dark wall of the shack.
Then through a ragged black aperture rose the head and shoulders of a man.
Marmaduke shrank back, and gazed upon the aperture with abhorrence and dismay.
It took him almost two hours to hack an aperture that would admit him easily.
A large aperture was made in the wall, which is three feet thick.
One huge aperture looked out upon the open sea, sloping down towards it.
It had a focal distance of fifty-three feet, and an aperture of six feet.
He saw a tiny white puff at last, and marked the aperture whence it issued.
Definition of Aperture
An opening, gap, or hole, usually small and narrow | (optics) Something which restricts the diameter of the light path through one plane in an optical system. | (astronomy, photography) The diameter of the aperture (in the sense above) which restricts the width of the light path through the whole system. For a telescope, this is the diameter of the objective lens.
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