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  • Definition of effective screen aperture - Mindat.org

    Definition of effective screen aperture. The cut point (equal errors or partition size) at which a screening process operates in dividing the material treated into two size fractions. Ref: BS, 5. Click here to see list of references, authorities, sources and geographical terms as used in this glossary.

  • Aperture - definition of aperture by The Free Dictionary

    Define aperture. aperture synonyms, aperture pronunciation, aperture translation, English dictionary definition of aperture. n. 1. An opening, such as a hole, gap, or slit. 2. a. A usually adjustable opening in an optical instrument, such as a camera or telescope, that limits the...

  • Aperture Definition of Aperture at Dictionary

    Aperture definition, an opening, as a hole, slit, crack, gap, etc. See more.

  • definition of aperture of screen

    camera aperture definition . camera aperture definition meaning English dictionary synonym see also 'camera' camera' camera lucida' camera obscura' Reverso dictionary English definition n a camera in which the image is composed and focused on a large ground-glass viewfinder screen . Get More

  • Screen Aperture - an overview ScienceDirect Topics

    Figure 4.7 shows the aperture and percentage open area for some typical 300 mm diameter screens. The screen aperture required has to be decided according to the size of particles in the formation. Because of unavoidable partial blocking of the screen by sand particles, the effective area of a screen is usually estimated at less than half its ...

  • Aperture Definition of Aperture by Merriam-Webster

    Aperture definition is - an opening or open space : hole. How to use aperture in a sentence.

  • Terminology Measurement Methods - Wire Mesh W.S. Tyler

    Aperture width (labeled w in the below diagram) is the distance between two adjacent warp or weft wires, measured in the projected plane at the mid positions.. Warp: All wires running lengthwise of the cloth as woven. Weft: All wires running across the cloth as woven. Wire diameter (d) is the width of the wires in the woven cloth. (The wire diameter may be altered slightly during the weaving ...

  • What is Aperture? Understanding Aperture in Photography

    Apr 06, 2020  On your LCD screen or viewfinder, your aperture will look something like this: f/2, f/3.5, f/8, and so on. Some cameras omit the slash and write f-stops like this: f2, f3.5, f8, and so on. For example, the Nikon camera below is set to an aperture of f/8: Aperture is labeled in f-numbers and in this case, I’m using f/8.

  • Effects of Aperture: ExposureAperture has several effects on your photographs. One of the most important is the brightness, or exposure, of your images. As aperture changes in...Effects of Aperture: Depth of FieldThe other critical effect of aperture is something known as depth of field. Depth of field is the amount of your photograph that appears sharp from...What Are F-Stop and F-Number?So far, we have only discussed aperture in general terms like large and small. However, every aperture can also be expressed as a number known as a...Size of Aperture: Large vs Small ApertureThere’s a catch – one important part of aperture that confuses beginning photographers more than anything else. This is something you really need t...How to Pick The Right ApertureNow that you’re familiar with some specific examples of f-stops, how do you know what aperture to use for your photos? Let’s jump back to exposure...Lens Limitations: Which Apertures Are available?Every lens has a limit on how large or how small the aperture can get. If you take a look at the specifications of your lens, it should say what th...
  • Wire Mesh Screen Opening (Aperture) Locator Chart

    Feb 19, 2018  Wire Mesh Table of Aperture Openings Available With Standard Grade Normal Stock Material. WIRE MESH SCREEN LOCATOR: 800.440.6374 Phone 360.835.7507 [email protected] : This wire mesh locator chart is provided to simplify the process of selecting a "standard" wire cloth specification suitable for your screening application. ...

  • Aperture of Stainless Steel Wire Mesh

    Aperture refers to the opening between adjacent parallel wires, and it can be measured in mm according to the following forms: Aperture(mm)=25.4(mm) / mesh count-wire size(mm) From above, we can see that it is important to understand the wire and mesh count first to get the correct idea of aperture.

  • What is Aperture? Understanding Aperture in Photography

    Apr 06, 2020  On your LCD screen or viewfinder, your aperture will look something like this: f/2, f/3.5, f/8, and so on. Some cameras omit the slash and write f-stops like this: f2, f3.5, f8, and so on. For example, the Nikon camera below is set to an aperture of f/8: Aperture is labeled in f-numbers and in this case, I’m using f/8.

  • Aperture photography definition Photography Basics ...

    Apr 23, 2020  The aperture refers to the opening of the diaphragm of the lens through which light passes. It is calibrated at f / stops and is usually written as numbers such as 1.4, 2, 2.8, 4, 5.6, 8, 11, and 16. When you press the shutter release button of your camera, a hole opens up that allows your camera’s image sensors to get a glimpse of the scene ...

  • Aperture - an overview ScienceDirect Topics

    Lanru Jing, Ove Stephansson, in Developments in Geotechnical Engineering, 2007. 4.6.1.3 Definition and determination of fracture aperture. Although aperture is the dominating property for fluid flow in fractures, there is no universally agreed definition of aperture among different disciplines. From the literature there exist basically three definitions for a rock fracture (see Adler and ...

  • Definition of Aperture - IADC Lexicon

    Aperture (Screen Cloth) Opening between the wires in a screen cloth. Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global Standards . Aperture (Screen Surface) Opening in a screen surface.

  • aperture grinding screen

    aperture grinding screen. ... Definition, objectives of size reduction and size separation, factors affecting size reduction, laws governing energy and power requirements of mills including ball mill, hammer mill, fluid energy mill etc., sieve analysis, standards of sieves, size separation equipment shaking and vibrating screens, gyratory ...

  • Aperture (software) - Wikipedia

    Aperture is a discontinued image organizer, once developed by Apple Inc. for the macOS operating system, first released in 2005, which was available from the Mac App Store. The software handles a number of tasks common in post-production work such as importing and organizing image files, applying corrective adjustments, displaying slideshows, and printing photographs.

  • Aperture - Wikipedia

    Aperture area. The amount of light captured by a lens is proportional to the area of the aperture, equal to: = = Where the two equivalent forms are related via the f-number N = f / D, with focal length f and aperture diameter D.. The focal length value is not required when comparing two lenses of the same focal length; a value of 1 can be used instead, and the other factors can be dropped as ...

  • Aperture of Stainless Steel Wire Mesh

    Aperture refers to the opening between adjacent parallel wires, and it can be measured in mm according to the following forms: Aperture(mm)=25.4(mm) / mesh count-wire size(mm) From above, we can see that it is important to understand the wire and mesh count first to get the correct idea of aperture.

  • How to Determine the Mesh Size of a Window Screen Home ...

    The standard window screen mesh is 18-by-16 and made out of fiberglass or aluminum. Patio, porch or pool side screens have a mesh size of 18-by-14. The smallest sized mesh is 20-by-20; the tightly ...

  • Particle Size - US Sieve Series and Tyler Mesh Size ...

    May 15, 2002  The mesh number system is a measure of how many openings there are per linear inch in a screen. Sizes vary by a factor of √2. This can easily be determined as screens are made from wires of standard diameters, however, opening sizes can vary slightly due to wear and distortion.

  • PORE SIZE MEASUREMENT OF SAND SCREENS

    beads passing the screen Screen sampling Cut out 6 x 3 / 8“ discs from the length of the sand screen element. 7. The beads in action Fully automatic sand screen tester gives highly repeatable results. 8. Pore size definition The cut point is the size above which 97% of the particles are trapped by the filter, and is within 10% of the maximum ...

  • What is F-Stop, How it Works and How to Use it in Photography

    Aug 10, 2019  If someone tells you to use a large aperture, they’re recommending an f-stop like f/1.4, f/2, or f/2.8. If someone tells you to use a small aperture, they’re recommending an f-stop like f/8, f/11, or f/16.. See the below diagram that shows different sizes of aperture to understand: As you can see, an f-stop like f/2.8 represents a much larger aperture opening than something like f/16.

  • Definition of nominal screen aperture - Mindat.org

    Definition of nominal screen aperture. i. A nominal mesh aperture used to designate the result of a screening operation. Ref: BS, 5 ii. A notional size at which it is intended to divide a feed by a screening operation. Synonym of: nominal screen size.

  • Shutter definition and meaning Collins English Dictionary

    Jul 15, 2020  Shutter definition: The shutter in a camera is the part which opens to allow light through the lens when a... Meaning, pronunciation, translations and examples

  • Definition of Aperture - IADC Lexicon

    Aperture (Screen Cloth) Opening between the wires in a screen cloth. Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global Standards . Aperture (Screen Surface) Opening in a screen surface.

  • Definition of nominal screen aperture - Mindat.org

    Definition of nominal screen aperture. i. A nominal mesh aperture used to designate the result of a screening operation. Ref: BS, 5 ii. A notional size at which it is intended to divide a feed by a screening operation. Synonym of: nominal screen size.

  • Definition of aperture grille - iDigitalPhoto Dictionary

    aperture grille. Definition: Type of colour monitor display technology. * The name refers to the screen of extremely fine vertically arranged wires carrying varying charges designed to direct the aim of the stream of electrons to hit a mosaic of red, green and blue phosphors in a cathode-ray tube.

  • Aperture grille : definition of Aperture grille and ...

    An aperture grille (tension mask) is one of two major technologies used to manufacture color cathode ray tube (CRT) televisions and computer displays; the other is shadow mask.. Fine vertical wires behind the front glass of the display screen separate the different colors of phosphors into strips. These wires are positioned such that an electron beam from one of three guns at the rear of the ...

  • JP2010518425A - Aperture correction of lenticular screen ...

    A lenticular screen with an optical path diagram showing improved aperture correction for spherical aberration. The micro convex lens is a lenticular screen having a curved field, and the aperture correction that is the subject of the present invention is shown.

  • Shutter definition and meaning Collins English Dictionary

    Jul 15, 2020  Shutter definition: The shutter in a camera is the part which opens to allow light through the lens when a... Meaning, pronunciation, translations and examples

  • How to Determine the Mesh Size of a Window Screen Home ...

    The standard window screen mesh is 18-by-16 and made out of fiberglass or aluminum. Patio, porch or pool side screens have a mesh size of 18-by-14. The smallest sized mesh is 20-by-20; the tightly ...

  • aperture - hallo.ro English-Romanian Dictionary ...

    aperture in English. English-Romanian Dictionary aperture. Romanian-English Dictionary aperture. aperture in Dictionary. aperture in Romanian. Translation of aperture by hallo.ro. Definition of aperture. Synonyms for aperture. Meaning of aperture. Pronunciation of aperture. Information about aperture by hallo.ro dictionary. Dictionary aperture.

  • Particle Size - US Sieve Series and Tyler Mesh Size ...

    May 15, 2002  The mesh number system is a measure of how many openings there are per linear inch in a screen. Sizes vary by a factor of √2. This can easily be determined as screens are made from wires of standard diameters, however, opening sizes can vary slightly due to wear and distortion.

  • What is F-Stop, How it Works and How to Use it in Photography

    Aug 10, 2019  If someone tells you to use a large aperture, they’re recommending an f-stop like f/1.4, f/2, or f/2.8. If someone tells you to use a small aperture, they’re recommending an f-stop like f/8, f/11, or f/16.. See the below diagram that shows different sizes of aperture to understand: As you can see, an f-stop like f/2.8 represents a much larger aperture opening than something like f/16.

  • screen aperture - German translation – Linguee

    Many translated example sentences containing "screen aperture" – German-English dictionary and search engine for German translations. Look up in Linguee; Suggest as a translation of "screen aperture" ... Most frequent English dictionary requests: 1-200, -1k, -2k, -3k, ...

  • Rules of Thumb - Finding Your Lens' 'Sweet Spot' BH Explora

    If your goal is to squeeze the maximum levels of image sharpness out of your lens you can achieve this by simply stopping your lens aperture down 2.5 to 3-stops from the lens's maximum aperture. As an example, if the maximum aperture of your lens is f/2.8, you'll want to shoot with your lens aperture set between f/5.6 and f/8.

  • What is Aperture? Camera Aperture Definition with Examples

    Mar 22, 2020  Aperture Definition What is aperture? Aperture is the opening of the lens through which light passes. When you hit the shutter release button to take the picture, the aperture opens to the predetermined width letting a specific amount of light through. The larger the opening, the more light gets in, and vice versa.

  • Numerical Aperture and Resolution - Florida State University

    Sep 20, 2018  Where R is resolution (the smallest resolvable distance between two objects), NA equals numerical aperture, equals wavelength, NA(obj) equals the objective numerical aperture, and NA(Cond) is the condenser numerical aperture. Notice that equation (1) and (2) differ by the multiplication factor, which is 0.5 for equation (1) and 0.61 for equation (2).These equations are based upon a number of ...

  • Definition of nominal screen aperture - Mindat.org

    Definition of nominal screen aperture. i. A nominal mesh aperture used to designate the result of a screening operation. Ref: BS, 5 ii. A notional size at which it is intended to divide a feed by a screening operation. Synonym of: nominal screen size.

  • Aperture - definition - GSMArena

    Aperture. The Aperture of a lens indicates how much light the lens lets in. The larger the aperture, the more light is let in, conversely a smaller aperture lets in less light.

  • What is Aperture? Camera Aperture Definition with Examples

    Mar 22, 2020  Aperture Definition What is aperture? Aperture is the opening of the lens through which light passes. When you hit the shutter release button to take the picture, the aperture opens to the predetermined width letting a specific amount of light through. The larger the opening, the more light gets in, and vice versa.

  • camera aperture - definition - English

    translation and definition "camera aperture", Dictionary English-English online. camera aperture. ... Print the camera aperture and focal length at the bottom of the screen. KDE40.1. Show camera aperture and focal length. KDE40.1. Set this option to display the camera aperture and focal settings used to take the image.

  • screen aperture - German translation – Linguee

    Many translated example sentences containing "screen aperture" – German-English dictionary and search engine for German translations. Look up in Linguee; Suggest as a translation of "screen aperture" ... Most frequent English dictionary requests: 1-200, -1k, -2k, -3k, ...

  • Aperture grille : definition of Aperture grille and ...

    An aperture grille (tension mask) is one of two major technologies used to manufacture color cathode ray tube (CRT) televisions and computer displays; the other is shadow mask.. Fine vertical wires behind the front glass of the display screen separate the different colors of phosphors into strips. These wires are positioned such that an electron beam from one of three guns at the rear of the ...

  • aperture - hallo.ro English-Romanian Dictionary ...

    aperture in English. English-Romanian Dictionary aperture. Romanian-English Dictionary aperture. aperture in Dictionary. aperture in Romanian. Translation of aperture by hallo.ro. Definition of aperture. Synonyms for aperture. Meaning of aperture. Pronunciation of aperture. Information about aperture by hallo.ro dictionary. Dictionary aperture.

  • What Is Aperture? Understanding Camera Aperture from ...

    Aperture refers to the opening of a lens's diaphragm through which light passes. It is calibrated in f/stops and is generally written as numbers such as 1.4, 2, 2.8, 4, 5.6, 8, 11 and 16. Lower f/stops give more exposure because they represent the larger apertures, while the higher f/stops give less exposure because they represent smaller ...

  • (PDF) Evaluating the Nakajima et al. model for rectangular ...

    recovery of particles in the screen oversize for rectangular-aperture screens. In this paper, a probability equation, using the width and thickness of particles, was used in place of the

  • Rules of Thumb - Finding Your Lens' 'Sweet Spot' BH Explora

    If your goal is to squeeze the maximum levels of image sharpness out of your lens you can achieve this by simply stopping your lens aperture down 2.5 to 3-stops from the lens's maximum aperture. As an example, if the maximum aperture of your lens is f/2.8, you'll want to shoot with your lens aperture set between f/5.6 and f/8.

  • Photography 101: Exposure, Aperture, Shutter Speed, and ...

    May 05, 2020  Simply take a photo, check it out on the camera’s LCD screen, and either increase or decrease the size of the aperture to get the desired DOF. A large aperture (small f

  • Fresnel and Fraunhofer diffraction

    screen with aperture observing screen at image of plane P Lens Image of aperture Diffraction pattern at some plane, P. LASERS 51 April 03 Imaging and far-field diffraction screen with aperture f observing screen Lens • Looking from the aperture, the observing screen appears to

  • What is Depth of Field? Examples of Shallow vs Deep Depth ...

    Jul 15, 2019  Aperture Definition What is aperture? Aperture is the opening of the lens through which light passes. When you hit the shutter release button to take the picture, a hole opens to capture the image. The aperture is the size of that hole. Aperture affects the light of the image and the sharpness.

  • shutter - definition of shutter - synonyms, pronunciation ...

    A movable cover or screen for a window, designed to shut out the light, to obstruct the view, or to be of some strength as a defense; a blind. [1913 Webster] 3. A removable cover, or a gate, for closing an aperture of any kind, as for closing the passageway for molten iron from a ladle.