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Because lens design only allowed rather small aperture lenses, the image on the ground glass screen was faint and most photographers had a dark cloth to cover their heads to allow focussing and composition to be carried out more easily.
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Because and lens
Because the viewfinder and the film lens cannot share the same optical path, the viewing lens is aimed to intersect with the film lens at a fixed point somewhere in front of the camera.
Because the position of the exit pupil usually is unknown to the user of a lens, the rear conjugate focal distance is used instead ; the resultant theoretical error so introduced is insignificant with most types of photographic lenses.
Because of its power to reveal the previously hidden diversity of microscopic life, metagenomics offers a powerful lens for viewing the microbial world that has the potential to revolutionize understanding of the entire living world.
Because of the excess sugar alcohol ( polyol ), the lens imbibes water, causing osmotic imbalance.
) Because a toric lens must have the proper orientation to correct for a person's astigmatism, a toric contact lens must have additional design characteristics to prevent the lens from rotating out of the ideal alignment.
Because silicone allows more oxygen permeability than water, the oxygen permeability of silicone hydrogels is not tied to the water content of the lens.
Because of its wide angle lens it is possible to make very precise measurements of atmospheric effects on how emissions from the Earth's surface propagate.
Because of the inability to adjust focus, the small lens aperture and the low sensitivity of the sensitive materials available, these cameras work best in brightly lit daylit scenes when the subject is within the hyperfocal distance for the lens and of subjects that move little during the exposure -- snapshots.
Because the second take was filmed with a wider lens, a vague outline of the alien could be seen with the background scenery bending around its shape.
Because of flaws in its design, such as the shape of the lens and the narrow field of view, the images were blurry and distorted.
Because of the paralysis of the ciliary muscle in the eye, the curvature of the lens can no longer be adjusted to focus on nearby objects.
Because the light rays are parallel the lens of the human eye focusses on infinity to get a clear image.
Because Huygens eyepieces do not contain cement to hold the lens elements, telescope users sometimes use these eyepieces in the role of " solar projection ", i. e. projecting an image of the Sun onto a screen.
Because of its durability and access to the Nikkor lens line, the FM came to dominate its market niche and was rewarded by the introduction of an improved successor, the Nikon FM2, in 1982.
Because a matching filter on the camera lens screens out only the backing color, the background area records as black, which, on the camera ’ s negative film, will develop clear ( fig.
Because of the increased equatorial zonular tension on the lens during accommodation, the stress on the lens capsule is increased and the lens remains stable and unaffected by gravity.
Because of its ability to reveal the previously hidden diversity of microscopic life, metagenomics offers a powerful lens for viewing the microbial world that has the potential to revolutionize understanding of the entire living world.
Because and design
Because of the unique design by the architect Egils Hermanovski, you can build most of it in your own home workshop in your spare time.
Because of Athlon's very large L1 cache and the exclusive design which turns the L2 cache into basically a " victim cache ", the need for high L2 performance and size was lessened.
Because of the structure's unusual design, it was originally presumed to be an early form.
Because these schools operated on very small budgets and attempted to serve as many needy children as possible, economic factors were prominent in their design.
Because of the compact size of the pistons and mechanical simplicity of design, these models are typically not as large or as expensive as the others types.
Because its main purpose was the presentation of live music, the hall needed a design focused not only on public access and exterior aesthetics, but also acoustics.
Because his task was to construct the wilful choices of his Punch editors, who probably took their cue from The Times and would have felt the suggestions of political tensions from Parliament as well, Tenniel ’ s work, as was its design, could be scathing in effect.
Because American bladesmiths use this design extensively it is a common misconception that the design originated in America.
Because its input can be described with a formal grammar, it can be used in parser design.
Because of this, many modern large caliber hunting revolvers tend to be based on the fixed cylinder design.
Because the car lacked a fuel pump, the fuel tank was placed high up in the engine compartment so that fuel could be fed to the carburetor by gravity ; a trade-off of this design is an increased fire risk in front-end accidents.
Because Volta believed that the electromotive force occurred at the contact between the two metals, Volta's piles had a different design than the modern design illustrated on this page.
Because of the poor reflectivity of the speculum mirrors of that day, Herschel eliminated the small diagonal mirror of a standard newtonian reflector from his design and tilted his primary mirror so he could view the formed image directly.
Because of inadequate design, roughly 25 – 40 % of the incoming fish get blocked by the dam each year.
Because of the design of analog video signals, which represent luma and color information separately, a common first step in image compression in codec design is to represent and store the image in a YCbCr color space.
Because a conceptual schema represents the semantics of an organization, and not a database design, it may exist on various levels of abstraction.
Because of the popularity of Times Roman at the time, Monotype chose to design a variant of Times Roman suited to mathematical composition, and recut many additional characters needed for mathematics, including special symbols as well as Greek and Fraktur alphabets, to accompany the system instead of designing it around the typeface that was being used, for which characters were already available.
Because " Lisa's Wedding " ( season six, 1995 ) is set fifteen years in the future, Homer's design was altered to make him older in the episode.
Because workstations are designed for high-end tasks such as weather forecasting, video rendering, and game design, it's taken for granted that these systems must be running under full-load, non-stop for several hours or even days without issue.
Because of the competing interests of cross-platform compatibility and advanced functionality, numerous alternative web application design strategies have emerged.
Because and only
Because of this, only those with truly fine equipment will be able to appreciate the exact degree of the engineers' triumph.
Because Christianity teaches not only salvation in history, but salvation by the history of Christ, such an interpretation of death would require a drastic revision of the Christian understanding of the work of Christ.
Because the urn itself is so delicate, it has been allowed to travel to Australia only twice.
Because of the first proposition, God himself is thought as invisible and only recognizable in his creation.
In fact, Fitzmyer believes that the preface of Luke should only be “ the starting point in the discussion of the aim of Luke-Acts .” Because the author ’ s intended purpose for the Book of Acts is not that straightforward, scholars have put forth four main claims to address this.
Because it is a Sacred Mystery of the Church, only Orthodox Christians may receive it.
Because the English language has 40 sounds and only 26 letters, children and beginning readers also need to learn the different sounds ( phonemes ) associated with each letter.
Because the differences between the prices are likely to be small ( and not to last very long ), this can be done profitably only with computers examining a large number of prices and automatically exercising a trade when the prices are far enough out of balance.
Because grocery stores are not permitted to carry wine or liquor, the older law essentially meant that only beer and alcoholic malt beverages could be purchased at all on Sundays.
Because of this, the United States Air Force XB-70 Valkyrie program was cancelled in the early 1960s ; the later B-1B Lancer and B-2 Spirit aircraft entered service only after protracted political and development problems.
Because Justice John Paul Stevens had recused himself, only eight Justices heard the case, and it ended in a 4 – 4 tie.
Because the FLRW metric assumes a uniform distribution of mass and energy, it applies to our Universe only on large scales — local concentrations of matter such as our galaxy are gravitationally bound and as such do not experience the large-scale expansion of space.
Because a black hole eventually achieves a stable state with only three parameters, there is no way to avoid losing information about the initial conditions: the gravitational and electric fields of a black hole give very little information about what went in.
Because the fossil record of chordates is poor, only molecular phylogenetics offers a reasonable prospect of dating their emergence.
Because society needs people to do computing well, we must think of computing not only as a profession but also as a discipline.
Because Berlin was located within the Soviet-occupied zone of Germany and the other occupying powers had previously relied on Soviet good will for access to Berlin, the only available methods of supplying the city were three limited air corridors.
Because the de facto administration is recognized only by Turkey, it has had much difficulty arranging foreign financing, and foreign firms have hesitated to invest there.
Because of the specific transport mechanisms, only limited amounts of chromium ( III ) enter the cells.
Because the volatility of a comet's material decreases as it gets further from the Sun, the comet becomes increasingly difficult to observe as a function of not only distance, but the progressive shrinking and eventual disappearance of its tail and the reflective elements it carries.
Because the earthworms grind and uniformly mix minerals in simple forms, plants need only minimal effort to obtain them.
Because each governor held equal imperium to the equivalent magistrate, they were escorted by the same number of lictors ( 12 ) and could only be vetoed by a reigning Consul or Praetor.
Because they lack this key defence, only 0. 5 % of cane toads are estimated to reach adulthood.
Because of the switch to Portland cement, by the end of the 1920s of the 15 Rosendale cement companies, only one had survived.
Because of that the vehicle with the bridge on board is only 11. 6 m long, but the over all span length is 20 m. This is an increase of about 62 % over that of the older MTU-1.
Because only a fraction of the cells in a tumor die with each treatment ( fractional kill ), repeated doses must be administered to continue to reduce the size of the tumor.
0.532 seconds.