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At moderate exposures, the overall shape is typically a bit like an "S" slanted so that its base and top are horizontal. There is usually a central region of the HD curve which approximates to a straight line, called the "linear" or "straight-line" portion; the slope of this region is called the gamma. The low end is called the "toe", and at ...
Although taken by some to mean lack of manipulation, straight photographers in fact applied many common darkroom techniques to enhance the appearance of their prints. Rather than factual accuracy, the term came to imply a specific aesthetic typified by higher contrast and rich tonality, sharp focus, aversion to cropping , and a Modernism ...
The rule also applies to the movement of a character as the "line" created by the path of the character. For example, if a character is walking in a leftward direction and is to be picked up by another camera, the character must exit the first shot on frame left and enter the next shot frame right. A jump cut can be utilized to denote time. If ...
The photograph demonstrates the application of the rule of thirds. The horizon in the photograph is on the horizontal line dividing the lower third of the photo from the upper two-thirds. The tree is at the intersection of two lines, sometimes called a power point [1] or a crash point. [2]
The device contributed much to photography's emergence as a mass-market art form. His Watkins Manual of Exposure and Development (1900), ran to eleven editions. [5] On 30 June 1921, Watkins visited Blackwardine in Herefordshire and had the idea that there was a system of straight lines crossing the landscape dating from Neolithic times.
While this example has been rectilinear-corrected by software, high quality wide-angle lenses are built with optical rectilinear correction. In photography, a rectilinear lens is a photographic lens that yields images where straight features, such as the edges of walls of buildings, appear with straight lines, as opposed to being curved.
For example, for 35 mm film which is 36 mm wide and 24 mm high, = would be used to obtain the horizontal angle of view and = for the vertical angle. Because this is a trigonometric function, the angle of view does not vary quite linearly with the reciprocal of the focal length.
Line moiré is one type of moiré pattern; a pattern that appears when superposing two transparent layers containing correlated opaque patterns. Line moiré is the case when the superposed patterns comprise straight or curved lines. When moving the layer patterns, the moiré patterns transform or move at a faster speed.