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a category of artistic composition, as in music or literature, characterized by similarities in form, style, or subject matter.

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A twin-lens reflex camera (TLR) is a type of camera with two objective lenses of the same focal length. One of the lenses is the photographic objective or "taking lens" (the lens that takes the picture), while the other is used for the viewfinder system, which is usually viewed from above at waist level.

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35 mm film is a film gauge used in filmmaking, and the film standard. In motion pictures that record on film, 35 mm is the most commonly used gauge.

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the term ‘large format’ refers to  a camera which records images in a format larger than 4 x 5 inches.

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The gelatin silver process is the most commonly used chemical process in black-and-white photography, and is the fundamental chemical process for modern analog color photography.

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a keeper or custodian of a museum or other collection.

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a public display of works of art or items of interest, held in an art gallery or museum or at a trade fair.

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is the presentation of visual elements in an image, especially the placement of the subject in relation to other objects.

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a room or building for the display or sale of works of art.

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the exclusive legal right, given to an originator or an assignee to print, publish, perform, film, or record literary, artistic, or musical material, and to authorize others to do the same.

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a line can be defined as a straight one- dimensional figure that has no thickness and extends endlessly in both directions

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Shape is a flat area surrounded by edges or an outline

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Color is an element consisting of hues, of which there are three properties: hue, chroma or intensity, and value

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The shape and structure of something

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Texture refers to the surface quality in a work of art

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Value defines how light or dark a given color or hue can be

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The dimensions of height, depth, and width within which all things exist and move

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Balance refers to the overall distribution of visual weight in a composition

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Variety in art means using different sizes, shapes and colors in your artwork to create visual diversity

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A pattern is a design in which lines, shapes, forms or colours are repeated

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Proportion refers to the dimensions of a composition and relationships between height, width and depth

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Movement is the path the viewer's eye takes through the work of art, often to focal areas

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Unity refers to how different elements of an artwork or design work come together and create a sense of wholeness

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Any object or area of emphasis is called a focal point

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symmetry around a central axis, as in a starfish or a tulip flower

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made up of exactly similar parts facing each other or around an axis

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having parts that fail to correspond to one another in shape, size, or arrangement; lacking symmetry

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the fact of two things being seen or placed close together with contrasting effect

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existing in thought or as an idea but not having a physical or concrete existence

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containing or using only one color.

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The phrase cool color is used to describe any color that is calm or soothing in nature

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The phrase warm color is used to describe any color that is vivid or bold in nature.

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Neutrals such as beige, ivory, taupe, black, gray and shades of white appear to be without color, but in many applications these hues often have undertones

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Complementary colours are pairs of colours that contrast with each other more than any other colour

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A triadic color scheme is comprised of three colors evenly spaced on the color wheel

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illumination from behind

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The light is evenly distributed, leaving no sharp shadows

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Ambient Light traditionally refers to any form of light that the photographer did not add to their image, and can include both "natural" ambient sunlight

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Chiaroscuro, in art, is the use of strong contrasts between light and dark, usually bold contrasts

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the dark shape and outline of someone or something visible against a lighter background, especially in dim light

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The Rule of Thirds is the process of dividing an image into thirds, using two horizontal and two vertical lines. This imaginary grid yields nine parts with four intersection points

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Leading lines are lines that appear in a photograph that have been framed and positioned by the photographer to draw the viewer's eye towards a specific point of interest

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The golden ratio is a ratio of approximately 1.618 to 1. Artists have used this ratio for centuries to create works of art from paintings to architecture.

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Negative space is the area surrounding the main subject in a photograph which is left unoccupied

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Positive space is any part of the photo that jumps out from its surroundings. That includes your subject, for example, along with other noteworthy areas of detail

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Based on or influenced by personal feelings, tastes, or opinions. Objective: (of a person or their judgement) not influenced by personal feelings or opinions in considering and representing facts

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Constructive criticism is the process of offering valid and well-reasoned opinions about the work of others, usually involving both positive and negative comments, in a friendly manner rather than an oppositional one

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the practice of taking someone else's work or ideas and passing them off as one's own

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a symbol, word, or words legally registered or established by use as representing a company or product

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relating to moral principles or the branch of knowledge dealing with these

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A diptych is any object with two flat plates which form a pair, often attached by hinge.

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triptych is a work of art that is divided into three sections, or three carved panels that are hinged together and can be folded shut or displayed open

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In photography, the golden hour is the period of daytime shortly after sunrise or before sunset, during which daylight is redder and softer than when the Sun is higher in the sky

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a minute area of illumination on a display screen, one of many from which an image is composed

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The blue hour is the period of twilight when the Sun is at a significant depth below the horizon and residual, indirect sunlight takes on a predominantly blue shade

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Image files are composed of digital data in one of these formats so that the data can be rasterized for use on a computer display or printer.

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JPEG stands for “Joint Photographic Experts Group”. It's a standard image format for containing lossy and compressed image data

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A camera RAW image is an unprocessed photograph captured with a digital camera. ... Instead of applying lossy JPEG compression, which reduces the image quality, RAW mode saves files in a losslessly compressed format.

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Tag Image File Format, abbreviated TIFF or TIF, is a computer file format for storing raster graphics images, popular among graphic artists, the publishing industry, and photographers

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PSD (Photoshop Document) is an image file format native to Adobe's popular Photoshop Application

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he term 'shadow' is used to describe the darkest parts of an image.he term 'shadow' is used to describe the darkest parts of an image.

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Midtones. A mid-tone is precisely that – all luminance values that are not dark or light are considered to be mid-tones

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Highlights are usually defined as the brightest area in a photo

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Sepia toning is a chemical process used in photography which changes the appearance of black-and-white prints to brown

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Post processing is the process of editing the data captured by a camera while taking the photo taken to enhance the image.

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Auto Mode. Automatic Exposure is when the camera chooses the optimum shutter speed, aperture, ISO and flash settings for your shot.

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Program mode (the "P" on the mode dial of most DSLRs) means that the camera still sets the exposure for you. It chooses the correct aperture and shutter speed for the light available, so your shot is correctly exposed. Program mode also unlocks other functions that give you more creative control over your images

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Aperture priority, often abbreviated A or Av (for aperture value) on a camera mode dial, is a setting on some cameras that allows the user to set a specific aperture value (f-number) while the camera selects a shutter speed to match it that will result in proper exposure

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Shutter priority (usually denoted as S on the mode dial), also called time value (abbreviated as Tv), refers to a setting on some cameras that allows the user to choose a specific shutter speed while the camera adjusts the aperture to ensure correct exposure

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Manual mode on a camera allows the photographer to determine the exposure of an image by letting them select an aperture value and a shutter speed value.

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The ASA (American Standards Association) scale is an arbitrary rating of film speed; that is, the sensitivity of the film to light

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For digital photography, ISO refers to the sensitivity—the signal gain—of the camera's sensor

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Film grain or granularity is the random optical texture of processed photographic film due to the presence of small particles of a metallic silver, or dye clouds, developed from silver halide that have received enough photons

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Side affect of ISO

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An image sensor or imager is a sensor that detects and conveys information used to make an image. It does so by converting the variable attenuation of light waves (as they pass through or reflect off objects) into signals, small bursts of current that convey the information

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shutter speed or exposure time is the length of time when the film or digital sensor inside the camera is exposed to light

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Bulb mode is simply a shutter speed option that you can select in Manual mode on your camera.

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The side affect of shutter speed

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Camera shake is a term used to define the act of accidentally shaking a camera during shooting due to unsteady hands

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In photography, a tripod is used to stabilize and elevate a camera, a flash unit, or other photographic equipment

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a space through which light passes in an optical or photographic instrument, especially the variable opening by which light enters a camera.

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the visual quality of the out-of-focus areas of a photographic image, especially as rendered by a particular lens.

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the distance between the nearest and the furthest objects that give an image judged to be in focus in a camera.

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the distance between the center of a lens or curved mirror and its focus

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A Prime lens is one that has a fixed focal length; there is no zoom ring on the lens so the focal length always remains the same. ... 12-24mm or 16-35mm), the telephoto zoom lens

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Long-exposure, time-exposure, or slow-shutter photography involves using a long-duration shutter speed to sharply capture the stationary elements of images while blurring, smearing, or obscuring the moving elements

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Time-lapse photography is a technique in which the frequency at which film frames are captured is much more spread out than the frequency that is used to view the sequence. When played at normal speed, time appears to be moving faster and thus lapsing

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Light painting, painting with light, light drawing, or light art performance photography are terms that describe photographic techniques of moving a light source while taking a long exposure photograph

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In cinematography and photography panning means swivelling a still or video camera horizontally from a fixed position. This motion is similar to the motion of a person when they turn their head on their neck from left to right. ... In other words, the camera moves perpendicular to the direction it is pointed

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The term "Resolution", when used to describe a digital camera refers to the size of the digital image the camera produces, and is usually expressed in terms of "megapixels" or how many million pixels it can record in a single image