When it emerges from the specimen, the electron beam carries information about the structure of the specimen that is magnified by the objective lens system of the microscope.

When refracted by a diffraction-limited lens, a Gaussian beam is transformed into another Gaussian beam ( characterized by a different set of parameters ), which explains why it is a convenient, widespread model in laser optics.

When the object is not distant from the lens, however, the image is no longer formed in the lens's focal plane, and the f-number no longer accurately describes the light-gathering ability of the lens or the image-side numerical aperture.

When used with a parabolic reflector or lens antenna, the phase center of the horn is usually placed at the focal point of the reflector, with the 3 dB points of the horn's radiation pattern set to be at the edge of the reflector.

When the lens first contacts the eye, it should be comfortable.

When the camera lens is not removed ( or cannot be removed ) a common method used is afocal photography, also called afocal projection.

When informed that no lens currently had a wide enough aperture to shoot a costume drama set in grand palaces using only candlelight, Kubrick bought and retrofitted a special lens for these purposes: a modified Mitchell BNC camera and a Zeiss lens manufactured for the rigors of space photography, with a maximum aperture of f /. 7.

When a bright light source is shining on the lens but not in its field of view, lens flare appears as a haze that washes out the image and reduces contrast.

When using an anamorphic lens, as is common in analog cinematography, lens flare can manifest itself as a horizontal lines.

Image: Firework with lens flare. jpg | When the subject of a photo is the light source itself, lens flare can be a desirable and dramatic effect.

When projected through a matching fisheye lens onto a dome, the original panoramic view is recreated.

When the Leica launched, this lens was renamed the ELMAX, for E Leitz and MAX Berek.

When the shutter release is pressed, a light-blocking shield lifts and the shutter disc rotates a full turn exposing the film through its open sector ; when the pressure is released the light-blocking shield returns to its position behind the lens, and the spring motor advances the film and recocks the shutter.

When closed, the viewfinder and lens windows are protected.

When under water, the eyeball's lens serves to focus light, whereas in the in-air environment, the typically bright light serves to contract the specialized pupil, resulting in sharpness from a smaller aperture ( similar to a pinhole camera ).

When we try to focus on far away objects, the ciliary muscles stretch the eye lens, making it thinner, and hence changing the focal length.

When the mirror above the lens is moved too high or too low, it moves out of the best focal distance for an evenly white image, resulting in a projected image with either blue or brown color fringing around the outside edge of the screen.

When Heidegger and Sartre speak of a contrast between being and existence, they may be right, I don't know, but their language is too philosophical for me.

When they express themselves it is incandescent hatred that shines forth, the rage of repudiation, the ecstasy of negation.

When I try to work out my reasons for feeling that this passage is of critical significance, I come up with the following ideas, which I shall express very briefly here and revert to in a later essay.

When the proprietor dies, the establishment should become a corporation until it is either acquired by another proprietor or the government decides to drop it.

When the reactionary response is thus bolstered by an intellectual defense, the characteristics of that defense are explicable only in terms of the basic attitudes of unanalyzed reaction.

When I take over Taliesin, the first thing I'll do is fire you ''.

When someone in the audience rose and asked how does it feel to be a celebrity, Carl said, `` A celebrity is a fellow who eats celery with celerity ''.

When decision makers act within this frame they determine whether a claim put forward in the name of religion is to be accepted by the larger community as appropriate to religion.

When we consider the disorganized state of the world community, and the legacy of predispositions adversely directed against all who are identified as Jews, it is obvious that the struggle for the minds and muscles of men needs to be prosecuted with increasing vigor and skill.

When we turn to Aristotle's ideas on the moral measure of literature, it is at once apparent that he is at times equally concerned about the influence of the art.

When their faith in civil liberties is tested against strong pressures of social expediency in specific issues, e.g., suppression of `` dangerous ideas '', many waver and give in.

There is, of course, nothing new about dystopias, for they belong to a literary tradition which, including also the closely related satiric utopias, stretches from at least as far back as the eighteenth century and Swift's Gulliver's Travels to the twentieth century and Zamiatin's We, Capek's War With The Newts, Huxley's Brave New World, E. M. Forster's `` The Machine Stops '', C. S. Lewis's That Hideous Strength, and Orwell's Nineteen Eighty-Four, and which in science fiction is represented before the present deluge as early as Wells's trilogy, The Time Machine, `` A Story Of The Days To Come '', and When The Sleeper Wakes, and as recently as Jack Williamson's `` With Folded Hands '' ( 1947 ), the classic story of men replaced by their own robots.

When I first came across Samuel Johnson's pronouncement, `` the remedy for the ills of life is palliative rather than radical '', it seemed to me to sum up the profoundest of political and social truths.

When all else fails, it is argued that open sessions slow down governmental operations.

When a person has thoughtlessly or deliberately caused us pain or hardship it is not always easy to say, `` Just forget it ''.

When a person meets God's requirements for the experience of forgiveness he is forgiven.

When I hold my son he stiffens his whole body in my arms until he is as straight and stiff as a board.

When different colors are used, she is just as likely to color trees purple, hair green, etc..

When we become firm enough to stand for those ideals which we know to be right, when we become hard enough to refuse to aid nations which do not permit self-determination, when we become strong enough to resist any more drifts towards socialism in our own Nation, when we recognize that our enemy is Communism not war, and when we realize that concessions to Communists do not insure peace or freedom, then, and only then will we no longer be `` soft ''.

When one powerful nation strives to emulate the success of another, it is only natural.

When a man is laid to rest, he is entitled to stay put.

When I talked to Ching about it, he said, Everyone can learn, if he is not a Reactionary or lazy.

When a word represents a larger construction of which it is the only expressed part, it normally has more stress than it would have in fully expressed construction.

When fully developed, they break their way out of the egg capsules and disperse as juvenile salamanders.

When they are fully developed, she regurgitates them and they hop away from her mouth as miniature adults.

When the Olympian deities overtook the older deities of Greece and she was born of Metis ( inside Zeus who had swallowed the goddess ) and " re-born " through the head of Zeus fully clothed, Athena already wore her typical garments.

When fully implemented, CAIR will reduce SO < sub > 2 </ sub > emissions in 28 eastern states and the District of Columbia by over 70 percent and NOx emissions by over 60 percent from 2003 levels.

When, during his discourses, he recounts his experiences as a young aspirant, he regularly uses the phrase " When I was an unenlightened bodhisatta ..." The term therefore connotes a being who is " bound for enlightenment ", in other words, a person whose aim is to become fully enlightened.

When bearing off, a player may also move a lower die roll before the higher even if that means ' the full value of the higher die ' is not fully utilized.

When fully built out, the neighborhood is projected to have 14, 000 residents.

When the vocal cords vibrate fully, the consonant is called voiced ; when they do not vibrate at all, it is voiceless.

When the programme went fully networked on 6 March 1961, broadcast days changed to Monday and Wednesday.

When they decided to broadcast the programme, national transmission was changed from Wednesday and Friday at 19: 00 to Monday and Wednesday at 19: 30 and the programme became fully networked under this new arrangement from episode 25 on Monday 6 March 1961.

When a manipulation is performed, the applied force separates the articular surfaces of a fully encapsulated synovial joint, which in turn creates a reduction in pressure within the joint cavity.

When fully rigged and riding a tradewind, they had peak average speeds over.

When a fully normalized database structure is extended to allow it to accommodate new types of data, the pre-existing aspects of the database structure can remain largely or entirely unchanged.

When the gods knew that Fenrir was fully bound, they took a cord called Gelgja ( Old Norse " fetter ") hanging from Gleipnir, inserted the cord through a large stone slab called Gjöll ( Old Norse " scream "), and the gods fastened the stone slab deep into the ground.

When fully integrated, GEGL will allow GIMP to have a higher color bit depth and also a better non-destructive work-flow.

When fully chilled, the most common ratios of gelatin to liquid ( as instructed on commercial packaging ) usually result in a custard-like texture which can retain detailed shapes when cold but melts back to a viscous liquid when warm.

* When the jack arrives in fully lowered position, the felt damper touches the string, causing the note to cease.

When it came to the issue of slavery in DC and slavery in the United States, he was against its abolition, and said so in his Inaugural Address in 1837: " I believed it a solemn duty fully to make known my sentiments in regard to it < nowiki > ,</ nowiki > and now, when every motive for misrepresentation has passed away, I trust that they will be candidly weighed and understood.

When Edward Witten named M-theory, he did not specify what the M stood for — perhaps because the nascent theory was not fully defined.

When fully covered with pastel, the work is called a pastel painting ; when not, a pastel sketch or drawing.

When the last inhabitants of Alba became fully Gaelicised Scots, probably during the 11th century, the Picts were soon forgotten.

When taxes are not fully paid, civil penalties ( such as fines or forfeiture ) or criminal penalties ( such as incarceration ) may be imposed on the non-paying entity or individual.