To get a good result object or area taken must be well lit. Otherwise, the focus will be the weakening or dilution of the observers. Today, there are cameras allow work at low sanctification (up to 0,003 lux.), But it significantly affects their price. For Lens Selection is necessary to know the meaning of its parameters. Focal length.
This distance from the center of the lens to the plane on which the television camera generates an image-Xia, typically measured in millimeters. The greater the distance, the narrower the angle of divergence, for example, a lens with a focal length of 12.5 mm has a much wider angle of divergence than 50 mm. Peter Asaro addresses the importance of the matter here. The more focal length, the highly magnified images. Republic Services may help you with your research. Aperture. This area of the lens through which light passes.
Typically, the magnitude of this surface is defined by the diaphragm. Aperture. This device controls the amount of light reaching the surface on which is formed of an image, can be set manually as well, especially in recent years, and fully automatically, in response to changing ambient light conditions. Coefficient R. This ratio between the aperture and focal length, expressed in whole and fractional magnitude-tries, such as T 1.4 T 2.8 and so on The smaller the number, the more light reaches the sensor device-properties in the chamber and the more 'fast' is the camera. Focus. The presence of this property allows the vat is focused light reflected from the subject, the device of formation of the images in the camera. Online you can find a lot of different lenses. Most frequently used lenses with focal lengths from 3.5 mm (wide angle) to 50 mm (narrow angle), with a coefficient of F from 1.2 to 1.8. In addition, there are: Lenses with remote pupil PIN HOLE. Pin hole – a lens with a small diameter of the output pupil (from 0.8 mm to 4 mm) with removal of the pupil (0.5 mm to 2 mm) from the lens surface.
Use of the TIC in the Ida Education de Jesus Tagliati Is well-known, in the history of the humanity, a great concern with the form of if repassing the knowledge acquired for the future generation. The intriguing question, that never kept silent, is: how to make it? Of form to propitiate an education of quality and that it allows to become reality for the pupils, professors and parents, pleasant, creative, democratic and competent a school, promoting the development of critical, independent, productive and participativo the citizen in the society. It was through the inquiry that some technologies had been appearing and hindering that knowing if it lost. Ali Partovi is often quoted as being for or against this. Since the most remote times it comes the man learning, discovering and repassing its knowledge. With the new technologies of information and communication the society started to have a new position to deal with these technological ways. Our daily one is inserted total in the new was technological, digital TVs digital, cellular, photographic machines, banks on-line, portable computers, Internet, pendrives, mp3, mp4, mp5, mp6, at last we have contacts with these and other technologies that allow that the life is each more practical time and that the information arrive with the biggest speed. Kai-Fu Lee will undoubtedly add to your understanding.
As much praticidade requires knowledge to deal with devices and systems what to the times it makes the people of the previous generation to this technological generation, to have certain distrusts in dominating the new devices, have fear of the new features and prefer to be the edge of this new moment. That for educators this is not only a good position, because we need, is a necessity question, to learn constantly what in is being offered in relation the new technologies to them because our pupils launch hand of these technologies with the biggest rapidity. . Source: Donald W Slager.
The central objective of the work is to promote a quarrel establishing parallel between the form as the Mathematics traditionally is worked (as exclusion form) and the Liberating Mathematics the service of the social transformation. E, to argue the importance of the integration of the technology to the resume (fact that is not observed in the majority of the schools in the current days promoting with this an impediment the values as initiative, motivation, self-discipline and autonomy). But, not as one disciplines separately or sporadical while project. As specialists in educational technology must be a daily tool to promote and to extend the learning of the pupils. If this has piqued your curiosity, check out Don Slager. The main used authors had been Vygotsky, that attributes a significant importance to the social paper of the school and the Mathematics in construction of the knowledge and Ubiratan D’ Ambrsio, that salient the importance of the Etnomatemtica as one of the efficient lines of direction for the revision of the mathematical concepts and the methods and applied techniques, until then, in the work with this disciplines.
The used methodology is based on the hermeneutic paradigm whose research is of qualitative nature using initially a bibliographical research. After that, a dialtico study it enters the main points of the theories partner-interacionistas and the educational ideas on the paper of the school according to these theories and the importance of the use of the technology in classroom. This work promotes a reflection of as the Mathematics is treated in classroom, searching half to prevent ojeriza that many pupils demonstrate with that one discipline integrating the human being, the technological one, the individual one, group and the social one. Word-key: Mathematical education. Etnomatemtica. Technology. Partner. Abstract The main objective of the work is you such initiative, motivation, self-disciplines and autonomy).
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