Bracketing is a photography technique where multiple shots of the same scene are taken at different exposure settings to ensure that at least one of them is properly exposed. The photographer adjusts the exposure settings, such as aperture, shutter speed, or ISO, for each shot, capturing a range of exposures. This approach helps in achieving the best possible exposure by providing a selection of images with varying levels of brightness and detail, which can be particularly useful in challenging lighting conditions.

What is "bracketing"?

bracketing

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Burst mode is a camera setting that allows the photographer to take a rapid series of photos in quick succession with a single press of the shutter button. This mode is useful for capturing fast-moving subjects or events where timing is crucial, such as in sports or wildlife photography. By shooting multiple frames in a short period, burst mode increases the chance of getting a clear, well-timed image from the sequence.

What is "burst mode"?

burst mode

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A beauty dish is a type of lighting modifier used in photography to produce flattering and evenly distributed light. It consists of a shallow, circular dish with a reflective surface that directs light towards the subject. A central diffuser, often a white or translucent cover, helps soften the light and reduce harsh shadows, creating a smooth, even illumination. Beauty dishes are commonly used in portrait photography to highlight facial features and provide a pleasing, professional-looking light.

What is a "beauty dish"?

beauty dish

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Lighting refers to the use of artificial or natural light sources to illuminate a scene or subject. Proper lighting is essential for controlling the visibility, mood, and overall aesthetic of an image or video. It helps to define shapes, create depth, and enhance details, while also influencing color balance and contrast. Lighting setups can range from simple configurations with a single light source to complex arrangements with multiple lights, reflectors, and modifiers, each designed to achieve specific effects and improve the quality of the visual output.

What is "lighting"?

lighting

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Fill light is a lighting technique used in photography and film to reduce shadows and balance the overall exposure of a scene. It is typically used in conjunction with a key light, which provides the main illumination and creates primary shadows. The fill light is placed at a lower intensity and often positioned opposite the key light to soften the shadows and bring out details in the darker areas of the subject. This technique helps to create a more evenly lit image and reduce the contrast between light and shadow.

What is "fill light"?

fill light

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Flash synchronization, or flash sync, is the process of coordinating a camera's shutter speed with the timing of a flash to ensure that the entire image is evenly illuminated when the flash fires. When the flash is triggered, the camera's shutter must be fully open to capture the light from the flash. Flash synchronization settings help avoid issues like partial exposure or dark bands across the image, which can occur if the shutter and flash are not properly aligned. Proper synchronization is crucial for achieving clear and well-lit photographs, especially in low-light conditions.

What is "flash synchronization"?

flash synchronization

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The red-eye effect occurs when a camera's flash reflects off the blood vessels in a subject's eyes, causing the pupils to appear red in the photograph. This usually happens when the flash is positioned close to the camera lens, leading to the light reflecting off the retina and showing up as red spots. The effect is most common in low-light conditions where the subject's pupils are dilated. It can be minimized by using red-eye reduction features on cameras, positioning the flash away from the lens, or editing the photos to correct the red coloration.

What is the "red-eye effect"?

red-eye effect

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The guide number is a measure of a flash unit's power and its ability to illuminate a scene. It indicates the maximum distance at which the flash can effectively light a subject, given a specific aperture setting. The guide number is typically expressed in meters or feet and helps photographers determine the appropriate exposure settings for their shots. A higher guide number means the flash has greater power and can cover a larger area or reach subjects farther away. This measurement is useful for adjusting flash output and ensuring proper exposure in various lighting conditions.

What is the "guide number"?

guide number

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Key lighting is the main light source used to highlight and define a subject in photography and film. It is positioned to create the primary illumination and set the overall mood and depth of the scene. The key light establishes the main exposure and shadows on the subject, shaping its features and creating contrast. By controlling the intensity, angle, and distance of the key light, photographers and filmmakers can achieve various effects, from dramatic and high-contrast looks to soft and even lighting.

What is "key lighting"?

key lighting

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A monolight is a studio flash unit that combines the flash, power source, and control settings into one piece of equipment. This design eliminates the need for additional cables or external power packs. Monolights are favored for their convenience, flexibility, and consistency as they allow for easy adjustments to the light's intensity and the use of various light modifiers. They are commonly used in portrait and product photography to achieve clear, well-lit images.

What is a "monolight"?

monolight

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A reflector is a tool used in photography to bounce light onto a subject. It typically consists of a surface that can be silver, gold, white, or another color, and it helps to redirect light to fill in shadows or enhance the overall illumination. Reflectors are often used to soften harsh lighting, reduce shadows, and improve the balance of light in a scene. They are useful for achieving more flattering and even lighting in portraits and other types of photography.

What is a "reflector"?

reflector

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A snoot is a lighting accessory used in photography to focus and direct light into a narrow beam. It is typically a tube or cone-shaped attachment that fits onto a flash or studio light. The snoot allows for precise control over the light's direction and shape, creating a spotlight effect that highlights specific areas or subjects while keeping the surrounding areas dark. This tool is useful for adding dramatic lighting effects or emphasizing particular details in a photograph.

What is a "snoot"?

snoot

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A softbox is a lighting accessory used in photography to create soft, even light. It consists of a box-like structure with a translucent front panel that diffuses the light from a flash or continuous light source. The softbox spreads the light over a larger area, reducing harsh shadows and minimizing glare, resulting in a smooth and flattering illumination. It is commonly used in portrait and product photography to achieve a more natural and controlled lighting effect.

What is a "softbox"?

softbox

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Bokeh refers to the quality of the out-of-focus areas in a photograph. It describes how the background and other parts of the image that are not in sharp focus appear, usually as soft, blurred shapes. The look of the bokeh is influenced by the lens's design and aperture settings, and it can add a pleasing or artistic effect to a photo. Bokeh is often used to highlight the subject by creating a visually appealing contrast with a softly blurred background.

What is "bokeh"?

bokeh

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Motion blur is a visual effect in photography where moving subjects appear streaked or smeared due to their movement during the exposure. This happens when the camera's shutter remains open while the subject moves, capturing the motion as a blur in the final image. Motion blur can convey a sense of speed and movement, adding a dynamic quality to the photograph. It is commonly used in action shots, such as sports or dance, to emphasize motion and create a sense of energy.

What is "motion blur"?

motion blur

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The rule of thirds is a basic principle in photography and visual art that helps create balanced and interesting compositions. It involves dividing an image into nine equal parts by two equally spaced horizontal lines and two equally spaced vertical lines, creating a grid. The idea is to place important elements of the scene along these lines or at their intersections, rather than in the center. This technique helps guide the viewer's eye and creates a more dynamic and engaging composition.

What is the "rule of thirds"?

rule of thirds

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The angle of view refers to the extent of a scene that a camera lens can capture in a photograph. It is the angle between the widest and narrowest parts of the scene visible through the lens. A wider angle of view allows more of the scene to be included in the frame, making it suitable for landscapes or large groups. A narrower angle of view captures less of the scene, which is useful for focusing on specific details or subjects. The angle of view is influenced by the lens's focal length and the size of the camera's sensor.

What is the "angle of view"?

angle of view

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Headroom is the amount of space between the top of a subject's head and the upper edge of the frame in a photograph or video. Proper headroom ensures that the subject is well-composed within the image, avoiding a cramped or overly open look. Too little headroom can make the subject feel cramped or cut off, while too much can create an unbalanced appearance. Achieving the right amount of headroom helps maintain a pleasing and professional composition.

What is "headroom"?

headroom

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Perspective refers to the technique used to create the illusion of depth and distance on a flat surface. It involves arranging objects so that they seem to move back into the background, making them look more realistic. By using perspective, artists can make their work appear three-dimensional, guiding the viewer's eye through the artwork.

What is "perspective"?

perspective

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Lead room is the space left in front of a moving or looking subject within a photograph or video frame. It helps to create a sense of direction and balance by providing visual space in the direction the subject is moving or gazing. Proper lead room ensures that the subject does not appear cramped or confined, allowing for a more natural and engaging composition. It helps guide the viewer's eye and gives the subject room to "move" within the frame.

What is "lead room"?

lead room

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The golden triangle is a compositional technique in photography and art that divides an image into four triangles to create a balanced and dynamic layout. To use this method, draw a diagonal line from one corner of the frame to the opposite corner. Then, draw two more diagonal lines from the remaining two corners to the first diagonal line, each forming right angles with it. This division results in two large right-angled triangles and smaller triangular sections. Placing important elements along these diagonal lines or at their intersections helps guide the viewer’s eye and creates a visually engaging layout, enhancing the overall balance and interest of the image.

What is the "golden triangle"?

golden triangle

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Framing in photography is the technique of using elements within the scene to create a border or outline around the main subject of the image. This can be achieved using objects like windows, doorways, trees, or architectural features to direct the viewer's attention to the focal point of the photograph. Framing helps to highlight the subject, add depth, and create a more visually interesting composition. It can also provide context and enhance the overall impact of the image.

What is "framing"?

framing

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In photography, density refers to the degree of light and dark in an image or a photographic print. It describes how much light is absorbed or blocked by the film or paper, affecting the image's contrast and tonal range. Higher density areas appear darker because they have more light absorption, while lower density areas are lighter. Managing density is important for achieving the desired exposure and contrast in photos, ensuring that details are visible and well-balanced throughout the image.

What is "density"?

density

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Contrast refers to the difference in lightness, darkness, or hue between colors, creating visual distinction and emphasis. High contrast occurs when colors have a strong difference, such as black and white, making parts stand out sharply. Low contrast involves similar or neighboring colors on the color wheel, leading to a more subtle and pleasing effect. Effective use of color contrast enhances readability, highlights important information, and adds depth and interest to visual designs.

What is "contrast"?

contrast

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Reciprocity in photography refers to the principle that the exposure of a photograph is determined by the relationship between the aperture, shutter speed, and light sensitivity of the film or sensor. Essentially, if one changes one of these settings, adjustments to the others can maintain the same overall exposure. Reciprocity is key for achieving correct exposure and balancing the light in a photograph.

What is "reciprocity"?

reciprocity

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Exposure in photography refers to the amount of light that reaches the camera's sensor or film, determining how bright or dark an image will appear. It is controlled by three main settings: aperture, which is the size of the lens opening, shutter speed, which is how long the camera's shutter stays open, and ISO, which is the sensitivity of the sensor or film to light. Proper exposure ensures that the details in the highlights and shadows are well-captured, resulting in a balanced and clear image.

What is "exposure"?

exposure

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Shutter speed is the amount of time the camera’s shutter remains open to allow light to reach the sensor or film. It controls the duration of the exposure and affects how motion is captured in a photograph. Faster shutter speeds freeze motion and reduce blur, while slower speeds allow more light in, creating motion blur and capturing movement over time. Adjusting shutter speed is crucial for achieving the desired effect, whether it is a sharp image or a dynamic, blurred effect.

What is "shutter speed"?

shutter speed

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Aperture refers to the adjustable opening in a camera lens that controls the amount of light entering the camera. It is measured in f-stops, with smaller f-stop numbers indicating a larger opening and more light, while larger f-stop numbers mean a smaller opening and less light. Aperture also affects the depth of field, which determines how much of the image is in focus from foreground to background. Adjusting the aperture allows photographers to control exposure and the sharpness of different parts of the image.

What is "aperture"?

aperture

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The f-number, also known as f-stop, is a measurement that indicates the size of the aperture opening in a camera lens. It is expressed as a ratio, such as f/2.8 or f/16. A smaller f-number represents a larger aperture opening, allowing more light to enter the camera, while a larger f-number represents a smaller aperture, letting in less light. The f-number also affects the depth of field in an image, with smaller numbers creating a shallower depth of field and larger numbers providing a deeper focus range.

What is the "f-number"?

f-number

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A moiré pattern is an unwanted visual effect that appears as wavy or swirling lines in an image. It occurs when two patterns or grids, such as those from a camera sensor and a fabric with a regular pattern, overlap and interfere with each other. This interference creates a new pattern that is not present in the original scene. Moiré patterns are often seen in digital images when photographing detailed textures or patterns, and they can be distracting or distort the clarity of the image.

What is a "moiré pattern"?

moire pattern

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Chromatic aberration is a type of distortion in photography where colors are misaligned and create unwanted color fringes around the edges of objects in an image. This happens because different colors of light bend by different amounts as they pass through a lens, causing them to focus at different points. As a result, red, green, and blue light can appear as separate, blurred colors around high-contrast edges. Chromatic aberration can reduce image clarity and sharpness, but it can often be corrected or minimized using lens adjustments or post-processing techniques.

What is "chromatic aberration"?

chromatic aberration

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Field of view (FOV) refers to the extent of the scene visible through a camera lens or optical device. It is the area that the lens can capture and display in the image, typically measured in degrees or as a specific width and height. A wider field of view allows more of the scene to be included in the frame, while a narrower field of view captures a smaller portion. The field of view is influenced by the lens's focal length and the size of the camera sensor.

What is "field of view"?

field of view

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Focus in photography refers to the clarity and sharpness of an image, achieved by adjusting the lens so that the subject is sharp and detailed. When a subject is in focus, light rays come together accurately on the camera sensor or film, creating a clear image. Proper focus ensures that the subject is well-defined, while areas outside the focus may appear blurred. Adjusting focus is crucial for highlighting specific details and achieving the desired depth of field in a photograph.

What is "focus"?

focus

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Autofocus is a camera feature that automatically adjusts the lens to achieve a sharp and clear image of a subject. It uses sensors and algorithms to detect the subject’s distance and determine the correct focus distance. Autofocus helps photographers quickly and accurately focus on moving or stationary subjects without manually adjusting the lens. There are different types of autofocus systems, such as phase detection and contrast detection, each with its own method for achieving precise focus.

What is "autofocus"?

autofocus

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Depth of field refers to the range in a photograph where the image appears sharp and in focus. It determines how much of the scene, from the foreground to the background, looks clear and detailed. A shallow depth of field means only a small part of the image is in focus, while a deeper depth of field keeps more of the scene sharp. This helps in focusing on specific parts of the scene while blurring the rest to draw attention or create a particular effect.

What is "depth of field"?

depth of field

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Depth of focus is the range within which the film or camera sensor remains sharp and clear, even if there are slight shifts in the camera or lens position. It ensures that the image stays in sharp focus on the sensor or film plane, allowing for some tolerance in camera setup. This is important for maintaining clarity and precision in the captured image, regardless of minor adjustments to the camera's position.

What is "depth of focus"?

depth of focus

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Hyperfocal distance is the closest distance at which a camera should be focused to ensure that everything from that point forward, up to the farthest point the camera can see, appears sharp and in focus. By setting the lens to this distance, both objects that are close to the camera and those far away will be clearly visible in the photograph. This technique is often used in landscape photography to make sure the entire scene, from the foreground to the background, is sharp.

What is "hyperfocal distance"?

hyperfocal distance

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Distortion in photography refers to any change in the appearance of a subject due to the lens or camera settings. It causes the subject to look different from how it appears in reality, such as straight lines becoming curved or objects appearing stretched or compressed. Distortion can be caused by lens design, especially with wide-angle or zoom lenses, and can affect the overall look and accuracy of the image.

What is "distortion"?

distortion

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The electromagnetic spectrum is the range of all types of light energy that exist, from the shortest wavelengths like gamma rays to the longest wavelengths like radio waves. It includes visible light, which is the light humans can see, as well as other types like ultraviolet, infrared, and microwave radiation. Each type of light in the spectrum has different properties and uses, from medical imaging to communication technologies.

What is the "electromagnetic spectrum"?

electromagnetic spectrum

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Focal length is the distance between the camera’s lens and the sensor or film when the lens is focused on a subject. It is measured in millimeters and determines how much of the scene is captured and how zoomed in or out the image will appear. A short focal length captures a wider view, making it useful for landscapes or large groups, while a long focal length zooms in on distant subjects, which is ideal for close-up details or wildlife photography.

What is "focal length"?

focal length

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Vignetting is a photographic effect where the corners or edges of an image appear darker than the center. This can occur due to the lens design or settings and is often more noticeable when using wide apertures or certain types of lenses. While some vignetting is a natural characteristic of lenses, it can also be used intentionally to draw attention to the center of the image or create a specific artistic effect.

What is "vignetting"?

vignetting

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Exposure compensation is a camera feature that allows the photographer to adjust the brightness of an image beyond the automatic settings provided by the camera. By increasing or decreasing the exposure compensation, the photographer can make the image brighter or darker to achieve the desired look. This is useful in situations where the camera's automatic exposure may not accurately capture the scene, such as in high-contrast lighting conditions.

What is "exposure compensation"?

exposure compensation

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Exposure value (EV) is a number that represents the amount of light reaching the camera's sensor or film. It combines both the aperture setting and the shutter speed into a single value to indicate the overall exposure of an image. A higher EV means more light and a brighter image, while a lower EV means less light and a darker image. Adjusting the exposure value helps photographers achieve the desired brightness and detail in their photos.

What is "exposure value"?

exposure value

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Exposure latitude refers to the range of exposure levels within which a photograph can still maintain acceptable image quality. It indicates how much the exposure can be adjusted, either lighter or darker, without significantly affecting the details or overall appearance of the image. A larger exposure latitude allows for more flexibility in capturing or adjusting the image, helping to ensure that important details are preserved even if the exposure is not perfectly set.

What is "exposure latitude"?

exposure latitude

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The Zone System is a photographic technique developed by Ansel Adams and Fred Archer for managing exposure and contrast in black-and-white photography. It divides the range of tones in a scene into eleven zones, from pure black to pure white, with ten shades of gray in between. By measuring the light and assigning specific areas to these zones, photographers can control how different parts of the image are exposed and processed. This system helps achieve a balanced and detailed image, ensuring that both highlights and shadows are well-represented.

What is the "Zone System"?

zone system

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Metering mode is a camera setting that controls how the camera measures light to determine the correct exposure for a photograph. It analyzes the scene in different ways to ensure proper brightness. One method evaluates light across the entire frame, another focuses mainly on the center of the image while considering surrounding areas, and another measures light from a small, specific part of the frame. Choosing the right metering mode helps achieve accurate exposure and detail in various lighting conditions.

What is "metering mode"?

metering mode

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A pixel, short for "picture element," is the smallest unit of a digital image. Each pixel represents a single point of color and contributes to the overall image when combined with thousands or millions of other pixels. The resolution of an image, which affects its clarity and detail, is determined by the number of pixels it contains. Higher resolution images have more pixels, allowing for finer detail and clearer pictures.

What is a "pixel"?

pixel

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Graphics Interchange Format (GIF) is a type of digital image file format that supports both still and animated images. It uses a limited color palette of up to 256 colors and is commonly used for simple graphics, logos, and short animations. GIFs are known for their ability to support animations by displaying a sequence of images in a loop, making them popular for creating small, lightweight animations on websites and social media.

What is "Graphics Interchange Format"?

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Joint Photographic Experts Group (JPEG) is a popular digital image file format known for its ability to compress images while maintaining good quality. It is widely used for storing and sharing photos because it reduces the file size, making it easier to manage and transfer images. JPEG compression works by removing some of the image data, which can slightly lower the image quality but significantly reduces the file size, making it ideal for everyday use in photography and web images.

What is "Joint Photographic Experts Group"?

JPEG

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Portable Network Graphics (PNG) is a digital image file format that supports high-quality images with lossless compression. This means it preserves all the original image data, which maintains image quality even after compression. PNG is commonly used for images with transparency, such as logos and graphics, as it supports a transparent background. It is widely used on the web for its ability to handle detailed graphics and provide clear, crisp images without loss of quality.

What is "Portable Network Graphics"?

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Bitmap (BMP) is a type of digital image file format that stores images as a grid of individual pixels. Each pixel in a BMP file has its own color value, creating a detailed and uncompressed representation of the image. BMP files are known for their high quality because they do not compress the image data, but this also means they can have large file sizes. They are often used in scenarios where image quality is prioritized over file size.

What is "bitmap"?

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Here you will learn some English words related to photography concepts such as "exposure", "reflector", and "sensitometry".

کلمات انگلیسی برای "مفاهیم عکاسی"