These the eye can bring to a focus, because it normally has a curvature for focussingparallel rays.
That the image really is at C is proved by letting down the focussing screen, which at once catches it.
Now, the retina cannot be pushed nearer to or pulled further away from its lens, like the focussing screen of a camera.
Indeed, it was as if his whole nature, body, mind, and spirit, were focussing itself upon one passionate desire that his child might live.
Returning to her own board, she withdrew her ball from the "string," and focussing on this spot in the wall, eased her projectile into contact with it and detonated.
Then as I climbed upward, as yet unobserved in my tiny craft that was scarcely larger than myself, I trained my telultroscope on the Han ship, focussing through to a view of its interior.
He continued pouring out a stream of light-hearted nonsense, focussing every one's attention on himself, and thus giving Ann time to recover her poise.
On focussing the field-glass upon the distant object it is seen to be a male Sison, which, with drooping wings and expanded tail, slowly revolves on his axis.
Thither flock the vultures to hold high carnival: and a striking sight it is to watch perhaps forty or fifty, as they soar and wheel in as many opposing, concentric circles, gradually focussing themselves over the point of attraction.
Thus, when focussing is being carried out, it can be extended so as to come flush with the gate, and pushed back out of the way when all is ready for working, so that the free movement of the film is not obstructed in any way.
Although the lens may be of the fixed focus class--the focussing distance varying with the stop used--focussing can be carried out independently if very critical work is required.
This can then be focussed by moving the milled focussing screw on the lens until the picture stands out as sharply as is desired.
When focussing is complete the matt film is withdrawn and placed in a safe position.
In the case of the Williamson camera and others of this type, focussing is accomplished by opening the shutter and the side of the camera and looking through the gate.
It is easier in the case of a camera fitted with a focussing tube, for the operator has then merely to open the side of the machine to insert the matt film and push the telescopic tube out to its fullest extent to bear against the gate.
With the Williamson camera focussing is unnecessary within certain distances owing to the fixed foci of the stops.
I am looking," replied the boy, who was focussing the objects that had startled his cousin.
Dean, twiddling the focussing nut of his glass with trembling fingers.
The ideal of individuality is egoism, the focussing of the whole in self; the ideal of personality is devotion, the identification of self with the whole.
But this flare of passionate tenderness focussing upon one slender bit of a girl was something he could not quite fathom.
The choice of a focussing lens or objective is mainly a matter of the size of picture required, and the most convenient distance from the screen for the lantern to be placed.
The action of a lens in focussing the image is perhaps best explained by a simple diagram (Fig.
A focussing mind was a good thing for anyone who worked with his brains, but it might have extravagances.
And this focussing nature, which acted like a lens to contract general heat into a point of fire, was a natural phenomenon in dynamics.
Mrs. Wingham I found still in the reading-room, alone, still focussing Sartor Resartus with her shocked and puzzled expression.
Miss Marter was sitting one side of it, stroking her torpid little terrier, and Mrs. Wingham (who was focussing Sartor Resartus through her glasses) on the other.
This assumption is justified if a poor image on the focussing screen remains stationary when the aperture is diminished; in practice, this generally occurs.
Aside from the advantage derived from the rapid changing of objectives, which it permits, it is so accurately made and centered as to materially facilitate the focussing of the various objectives.
For photographic purposes this same apparatus may be had with Nieser's photographic camera, plate holders, focussing plate etc.
The parallel beam emerging from this apparatus could be received at some distant place on a lens focussing it upon a sensitive piece of selenium placed in a local circuit, with a telephone and a galvanic battery.
The centralization of political power and of religious supremacy is concomitant with the focussing of intellectual life in Babylon.
For example, the parental fixation may become reconditioned by focussing upon some special characteristic of the father or mother, which becomes an erotic fetish.
In most psychological literature, this focussing of the emotion upon some particular characteristic is termed fetishism, and the stimulus which become capable of arousing the conditioned emotional response is called an erotic fetish.
The individual is a mere focussing of impersonal strains and stresses in the Absolute.
The very meaning of the concept right, implies focussing attention upon the present rather than upon the future.
The conjugate focus is then found by drawing out the rear or ground glass focussing screen until the image is sharply defined on the glass.
An object filling this space on the ground glass will necessarily occupy the same position on the quarter plate when the holder containing the latter is made to take the place of the focussing screen.
Now place a focussing glass against the back of the plate, apply the eye to it and adjust the focus by a delicate pull of the cord.
The result is the most perfect focussing surface imaginable.
The bellows are in three divisions, extending fully four feet, giving altogether nearly six feet from the microscopic stage [p229] to the focussing screen when fully drawn out.
To use, remove the focussing screen from the camera and replace it with the plate holder from which the slides have been removed.
Douglas turned this over in his mind, finally focussing his thoughts on Inez; she who loved beauty and dragged her emotions in the mire.
She looked from one man to the other, finally focussingon Peter.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "focussing" in a variety of sentences. We hope that you will now be able to make sentences using this word.
