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Dynamic Range of digital cameras Dynamic Range is the first concept of a signal system. The dynamic range of a signal system is defined as the maximum undistorted power and noise level difference. In actual use, the logarithm and ratio are used to represent the dynamic range of a signal system. For a negative scanner, the dynamic range refers to the tone range in which the scanner can record the source, that is, the difference between the latest densi
generally refers to near focus or micro distance, that is, scenes close to the camera can be photographed. Generally, the text in the book is used. Focusing is to focus and make the scenes clearer on the camera or display screen. Generally, a lens with a focal length greater than 135mm is called a focal length. Wide angle: The biggest feature of wide angle is that it can be shot in a wide range, with the c
After reading ziboy's photography blog, I suddenly wanted to buy a digital image, pat what happened around me, and record it. Today, people are more and more self-active and more personalized. At the same time, there are more and more problems. From the perspective of the onlookers, save the person who was there at that time. It may be a good gift for you. You can do this when you are bored. Go out and check the people on the road. When someone quarr
After taking pictures with a digital camera, the computer and the camera cannot be connected when the picture is connected to the computer, and the photos cannot be displayed properly. There are generally several reasons for this failure, 1. The power of the digital camera
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Entangle is a free and open source software that allows users to use computers to control digital camera photos. The latest available version Entangle 0.6.0 has been released. View the official repair and change list for version fixes and feature changes. -------------------------------------- Split line -------------------------------------- Download, install, and configure Ubuntu 14.04 Ubuntu 14.04 s
SD card is a kind of memory card which is widely used in portable devices such as digital camera, mobile phone and multimedia player. As the most widely used storage carrier, SD card is used by most digital cameras because of its high memory capacity, fast data transfer rate, great mobility flexibility and good security, and high cost performance. In terms of dat
The mode of the digital cameraa -stop aperture is preferred; the camera automatically configures the appropriate speed (e.g. requires depth of field and is convenient for shooting still life).s Gear speed is preferred; The camera automatically configures the appropriate aperture (for example, it is convenient to shoot moving objects) by you to determine the speed
In order to simplify the tedious work of controlling the manual measurement control point in the field camera, and to improve the accuracy of the camera calibration, this paper proposes a method: To obtain the initial parameters of the camera inspection by the uniform measurement of the image square coordinates of a small number of control points, it is possible
Failure phenomenon: Digital camera connected to the computer can not display photos, generally due to the memory card contains error files, virus or because the memory card into other devices caused by incompatible file format. To resolve this problem, it is recommended that you use the camera to format the memory card and reuse it. If t
The tutorial introduces a method of making a digital camera with a metal shell. The focus is on the lens part of the production, but as long as the gradient can be used to change the texture, can use the brush and other tools to control the high light and dark, the production is very simple. Final effect 1, a new 600 * 600 pixel file, background fill white. 2, select the Gradient tool, color settings,
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