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Positive (photography)
Positive has multiple meanings in the world of photography. The two main definitions of positive photography include positive space and positive film. Positive space Positive space is the idea that any part of a photo that includes the subject, stands out from the rest of the photo. It is key component in most photographs that helps convey emotions towards an audience. The technique can illustrate emotions ranging from crowdedness, to power, to chaos, or even to movement in a photo. Positive photos often busy and active so that most of the focus is drawn towards the subject. It is important to note that positive space in photography is usually balanced with negative space to make an appealing composition. For example, if a photo is over-crowded and it is hard to distinguish what is and is not the subject of the photo (meaning there is a lack of definition or negative space, or there's too much negative space), then the photo may not be compositionally well thought out or perhaps fi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jet And Clouds
Jet, Jets, or The Jet(s) may refer to: Aerospace * Jet aircraft, an aircraft propelled by jet engines ** Jet airliner ** Jet engine ** Jet fuel * Jet Airways, an Indian airline * Wind Jet (ICAO: JET), an Italian airline * Journey to Enceladus and Titan (JET), a proposed astrobiology orbiter to Saturn * Jet pack, a backpack personal flying device containing a jet motor * Fighter jet, a military aircraft Aircraft * Business jet ** Boeing Business Jet ** Cessna CitationJet/M2 * Very light jet ** Cirrus Vision SF50, originally called "The-Jet by Cirrus" ** Eclipse 400, originally called "Eclipse Concept Jet" ** Honda HA-420 HondaJet ** Piper PA-47 PiperJet Other areas of science, math and technology * Jet (fluid), a coherent stream of fluid that is projected into a surrounding medium, usually from some kind of a nozzle or aperture * Jet (mathematics), an operation on a differentiable function * Jet (particle physics), a narrow cone of hadrons and other particles produc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leaves And Stem
A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, flower, and fruit collectively form the shoot system. In most leaves, the primary photosynthetic tissue is the palisade mesophyll and is located on the upper side of the blade or lamina of the leaf but in some species, including the mature foliage of ''Eucalyptus'', palisade mesophyll is present on both sides and the leaves are said to be isobilateral. Most leaves are flattened and have distinct upper (adaxial) and lower ( abaxial) surfaces that differ in color, hairiness, the number of stomata (pores that intake and output gases), the amount and structure of epicuticular wax and other features. Leaves are mostly green in color due to the presence of a compound called chlorophyll that is essential for photosynthesis as it absorbs lig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Negative (photography)
In photography, a negative is an image, usually on a strip or sheet of transparent plastic film, in which the lightest areas of the photographed subject appear darkest and the darkest areas appear lightest. This reversed order occurs because the extremely light-sensitive chemicals a camera film must use to capture an image quickly enough for ordinary picture-taking are darkened, rather than bleached, by exposure to light and subsequent photographic processing. In the case of color negatives, the colors are also reversed into their respective complementary colors. Typical color negatives have an overall dull orange tint due to an automatic color-masking feature that ultimately results in improved color reproduction. Negatives are normally used to make positive prints on photographic paper by projecting the negative onto the paper with a photographic enlarger or making a contact print. The paper is also darkened in proportion to its exposure to light, so a second reversal r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Digital Imaging
Digital imaging or digital image acquisition is the creation of a digital representation of the visual characteristics of an object, such as a physical scene or the interior structure of an object. The term is often assumed to imply or include the processing, compression, storage, printing and display of such images. A key advantage of a digital image, versus an analog image such as a film photograph, is the ability to digitally propagate copies of the original subject indefinitely without any loss of image quality. Digital imaging can be classified by the type of electromagnetic radiation or other waves whose variable attenuation, as they pass through or reflect off objects, conveys the information that constitutes the image. In all classes of digital imaging, the information is converted by image sensors into digital signals that are processed by a computer and made output as a visible-light image. For example, the medium of visible light allows digital photography (in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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