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A latent image is an invisible image produced by the exposure to light of a photosensitive material such as photographic film. When photographic film is developed , the area that was exposed darkens and forms a visible image.
Study with Quizlet and memorize flashcards containing terms like The overall ability of an imaging system to bring out the maximum number of details in an image is called:, What is the term used to describe the image before digital processing? a) Developed image b) Processed image c) Latent image d) Enhanced image, How does milliamperage (mA) affect exposure to the IR? a) Inversely ...
- Introduction
- Stage 1: The Latent Image Phase
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If you are like me, the chemistry I learned for GCSE A level and my first year university biochemistry has long faded. Despite this, I think it’s worth revisiting it to appreciate the magic of what is involved in making a negative. There are plenty of books on photographic chemistry 1 , many written in the heyday of photographic chemistry in the la...
Photographic emulsion is made by combining silver nitrate with a halide (Potassium Chloride or Bromide or Iodide or a combination) to give a silver halide with a nitrate by-product. This is done in high grade gelatin to give the silver halide a substrate, enabling a smooth dispersion of the halide across the acetate of the film (or the paper of pho...
As mentioned, there are a number of different views about how the latent image is formed and how development of the image is triggered. In the next post in this series I will describe the competing claims about the development of the silver image from the latent one and also go into the different types of developing agent.
144 Part IV. Image Capture Fig. 14.1. Schematics of latent image formation in silver halide microcrystals. to grow: an electron that enters the trap cannot leave it and it can attracts a silver ion; silver atoms in the trap do not decay into Ag+ and e.Theabove process is summarized in Fig. 14.1 During development, a trap that contains a ...
Feb 27, 2016 · The specific way in which the latent image is formed is not really known, but the Gurney-Mott theory of latent image formation is most widely believed to best explain the manner in which this process happens. To explain latent image formation, it is necessary to describe what happens at the molecular level in the emulsion layer of film, specifically what happens to silver halide crystals when ...
Oct 10, 2015 · The image appears on the light sensitive film in 3 steps: First during the exposure i.e. when the shutter opens up to let a certain quantity of light or photons go through. It’s the moment when the latent image is being formed in the film emulsion. Then during the development when the latent image is “amplified” by the developing agent.
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Study with Quizlet and memorize flashcards containing terms like Once the data is in digital format, there is no difference between image processing and display between CR and CR. True or false?, The quality of the CR latent image will remain the same for up to 6 hours after exposure. True or false?, The DR system does not require a separate reader unit. True or false? and more.
