Use of a microscope objective for focusing the scanning light bundle enables a narrow limitation to be provided in the depth of the examination field. This light bundle may have a relatively wide cross section.
The human eye responds to relative luminance differences. That’s why we think of exposure in terms of zones, f-stops, or EV (exposure value), where a change of one unit corresponds to a factor of 2 change in exposure. The eye’s relative sensitivity is expressed by the Weber-Fechner ...
D1/18th of a second Submit D2.5 m Submit Answer the following questions. What is the far point of a normal human eye? View Solution What is the least distance of distinct vision for a normal human eye ? View Solution View Solution ...
Dynamic range describes the ratio between the brightest and darkest parts of an image, from pure black to brightest white. The best digital cameras capture only half as much range as the human eye. Start free trialExplore Premiere Pro
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Which of the following can't be inferred from the passage? A. Facial muscle activity matters in human facial expressions. B. Startle is comparable to a sun smile in protective function. C. The human eyeballs are the window into the human emotions. D. Startle is simply a reflex that has...
The dynamic range (ratio between dark and bright regions) in the visible world far exceeds the range of human vision and of images that are displayed on a monitor or printed. But whereas human eyes can adapt to very different brightness levels, most cameras and computer monitors can reproduce...
Near us, in the same range, were Brown's Hotel and Batt's Hotel, both widely known to the temporary residents of London. [6] She thought of the robin, of the tree whose secrets he had learned, of a mental range including even that medley of human beings amongst whom she lived. [9...
What is the range of nuclear forces ? View Solution What is the range of pH scale? View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths DC Pandey Solutions for Physics ...
eyeshot, view - the range of the eye; "they were soon out of view" limit - as far as something can go rifle range, rifle shot - the distance that a rifle bullet will carry; "the target was out of rifle range" 3. range - a large tract of grassy open land on which livestock can...