Optical awl

EN: Optical zoom

Arta

True image magnification achieved by repositioning the lenses.
Visual art cork

89%

Accuracy

Optical glass

High-quality, color-free glass having specific refractive qualities, used in lenses and other components of optical systems.

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71%

Accuracy

Optical resolution

Also referred to as True resolution, it means an image s non-interpolated pixel dimensions.

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83%

Accuracy

Optical viewfinder

A camera s viewfinder (including those of dSLR cameras) that does not involve an LCD screen or an electronic aid to view a scene. Think of a telescope or binoculars that are purely optical and have no electronic components.

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75%

Accuracy

Optical zoom

A true zoom effect unlike a digital camera s digital zoom. Optical zoom changes the focal length of a lens.

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90%

Accuracy

Optical awl

Advanced wireless lighting using Nikon cameras and Speedlights that require optical line of sight to trigger the flashes, whether from a camera’s built-in commander, the optional SU-800, or a Speedlight in commander mode. .

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86%

Accuracy

Optical axis, lens axis

The imaginary line that extends straight out from a lens.

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99%

Accuracy

Optical effects

Trick shots prepared by the use of an optical printer in the laboratory, especially fades and dissolves.

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99%

Accuracy

Optical low-pass filter

A filter fitted in front of the image sensor to reduce moiré by filtering ultraviolet and infrared light. .

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97%

Accuracy

Optical printer

Used when image size of the print film is different from the image size of the pre-print film. Also used when titles or effects (such as skip frames, blow-ups, zooms, and mattes) are included.

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74%

Accuracy

Optical printer

AKA: Optical PrintingA laboratory machine for combining the images of one or more reels of film through photographic techniques. Contrast with digital compositing.

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91%

Accuracy

Optical printer

A device used to print the images of one film onto another film through direct photography.

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75%

Accuracy

Optical printing

Basically, rephotographying film frame by frame. this is a way to make a copy of a film with many more possibilities than contact printing, but, at least with 16mm, resulting in a little added contrast and a little loss of clarity.

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91%

Accuracy

Optical resolution

Optical Resolution is an absolute number that the camera’s image sensor can physically record.

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100%

Accuracy

Optical resolution

The physical resolution at which a device can capture an image. The term is used most frequently in reference to optical scanners and digital cameras.

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79%

Accuracy

Optical sound

Ptical Sound is the system used by a projector to play back sound from a film print. The sound is exposed onto the film as a clear modulating line against black. It corresponds to the moduations of the sound. The projector reads the track by passing it between the exciter lamp a light-sensitive photo-electric cell which generates a voltage that is amplified and fed into a speaker.

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87%

Accuracy

Optical soundtrack

A composite print in which the soundtrack is recorded via the varying width of a transparent track which runs beside the sequence of frames on a print. See also advance.

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91%

Accuracy

Optical storage

See storage device .

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79%

Accuracy

Optical track

An intermediate step from going from your mix master to your final print is to have an optical track struck. An optical track is photographed onto a blank piece of special high contract stock by the facility where the mix is done, or by the lab. The optical track is a separate roll of film from the original negative and is combined with picture when a print is struck. (The track itself still remains a separate element from the A&B Rolls, it is printed in a separate pass through the contract printer.).

Cel Mai folosit cuvant: from | Domeniu Aplicare : Cinematografie | Caractere: 406 Cuvinte: 92 | Limba: Engleza | Sursa The Pollio Folio - Glossary of Cinematography Terms

86%

Accuracy

Optical vr

See VR.

Cel Mai folosit cuvant: see | Domeniu Aplicare : Fotografie | Caractere: 5 Cuvinte: 2 | Limba: Engleza | Sursa Nikon Grossary

90%

Accuracy

Optical viewfinder

An eye level viewfinder that is used to compose the photograph.

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87%

Accuracy

Optical viewfinder

The window in which the photographer frames the subject and checks focus. An electronic display such as a monitor can also be used as a viewfinder; in contrast to such electronic viewfinders, optical viewfinders consist of only optical components such as lenses, prisms, and mirrors.

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83%

Accuracy

Optical zoom

Means that the camera has a real multi focal length lens, this is not the same as a “Digital Zoom” which magnifies the centre portion of the picture. Optical zoom gives better quality than a digital zoom.

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100%

Accuracy

Optical zoom

Another name for a zoom lens, which is a lens that enables the user to change the magnification ratio, i.e., focal length of the lens, either by pushing, pulling or rotating the lens barrel. Unlike variable focal length lenses, zooms are constructed to allow a continuously variable focal length, without disturbing focus.

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85%

Accuracy

Optical zoom

Indicates that the camera has a real multi-focal length lens, as opposed to a digital zoom, which magnifies the center portion of the picture.

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86%

Accuracy

Optical axis

A straight line connecting the center points of the spherical surfaces on each side of a lens. In other words, the optical axis is a hypothetical center line connecting the center of curvature of each lens surface. In photographic lenses comprised of several lens elements, it is of utmost importance for the optical axis of each lens element to be perfectly aligned with the optical axes of all other lens elements. Particularly in zoom lenses, which are constructed of several lens groups that move in a complex manner, extremely precise construction is necessary to maintain proper optical axis alignment.

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73%

Accuracy

Optical axis

Axis of symmetry of an optical system, usually set at the center of the picture.

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72%

Accuracy

Optical image stabilization

(IS or OIS) – This technology helps counteract the jittery motion caused by handholding a camera, which can result in blurred images at low shutter speeds (roughly below 1/60 second). Sensors detect movement and instantaneously signal the image sensor or a lens element to move in the opposite direction, canceling out the movement. A good IS system can allow the user to decrease the shutter speed by a factor of three (aka three stops) and still get a crisp image. Camera makers have different names for the technology, such as IS for Canon, VR for Nikon and SR for Pentax. [LD2].

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100%

Accuracy

Optical low pass filter

(OLPF) – Also called an anti-aliasing filter, it s an ultrathin piece of glass or plastic mounted in front of, or bonded directly to, the image sensor. The OLPF blurs the image very slightly, to help break up the tendency of an oversharp image to produce false colors and moiré (herringbone-like patterns). Some new cameras with high megapixel counts (20 or greater) eschew OLPFs to help increase sharpness.

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81%

Accuracy

Optical resolution

Many scanners and some digital cameras have two resolution figures quoted in their spec sheets - optical and interpolated. Optical is the figure you should trust as it s a true pixel capture, unlike interpolated that uses the optical figures to calculate and add new pixels to increase resolution. .

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81%

Accuracy

Optical size

Some type designs come in different versions optimized for use in specific point sizes. Subtle variations in weight, contrast, and proportion make them as legible in small text as they are beautiful in big headlines.

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Accuracy

Optical viewfinder

– In a DSLR camera, it s the combination of a movable mirror and a pentaprism or additional series of mirrors that allows the photographer to see through the main lens in order to view and frame the subject.

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100%

Accuracy

Optical viewfinder

The small window in the camera that you look through when taking a picture. .

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83%

Accuracy

Optical zoom

A lens that can be adjusted from one focal length to another. Wide zooms cover a range of wide-angle focal lengths while tele zooms cover telephoto ranges and superzooms go from wide angle to a long telephoto. .

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