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The world of pictures is full of abbreviations that enable longer phrases or phrases to be extra simply communicated. For those who’re simply beginning out as a photographer, nonetheless, they could possibly be extra complicated than useful, and this information was put collectively only for you.Right here’s an inventory of widespread abbreviations, acronyms, and symbols you’ll typically hear when speaking about pictures and/or digital camera gear: A A. Aperture precedence. Additionally abbreviated on some mode dials as Av, for aperture worth, this can be a digital camera setting by which the photographer chooses a set aperture worth (or f-number) whereas permitting the digital camera to regulate the shutter velocity (and presumably ISO) to realize a correct publicity (as decided by the digital camera’s inner mild meter). ACR. Adobe Digicam Uncooked. An Adobe Photoshop plug-in that permits you to import, course of, and improve uncooked images with out going by means of Adobe Lightroom. AE. Computerized publicity. Often known as autoexposure, this can be a digital camera mode that routinely determines the optimum publicity settings, normally primarily based on readings from a built-in publicity meter. AE-L. Computerized publicity lock. A digital camera function that permits the photographer to lock the present publicity settings. Usually used at the side of AF-L, which locks autofocus. Can be utilized to recompose with out re-metering. AF. Autofocus. A system that permits a digital camera to focus a lens routinely to realize optimum sharpness on an automatically-selected or manually-selected level or space.
AF-L. Autofocus lock. A digital camera function that permits the photographer to lock the present focus. Usually used at the side of AE-L, which locks publicity settings. Can be utilized to recompose with out refocusing. AoV. Angle of view. The angular extent of a scene that may be captured by a digital camera. This time period is commonly used interchangeably with “discipline of view.” See FOV. APEX. Additive System of Photographic Publicity. A system for easy publicity computation first proposed within the 1960 ASA customary concerning monochrome movie velocity. Whereas APEX didn’t turn into a elementary customary within the digital camera business, its use of Av and Television to check with aperture and shutter velocity dwell on in fashionable cameras. APS-C. Superior Picture System type-C. The picture sensor format primarily based on the C (“Basic”) movie detrimental measurement by the Superior Picture System. These sensors have a variety of measurements (normally 22.5x15mm to 24x16mm), have a side ratio of three:2, and have a crop (normally 1.5x to 1.6x) in comparison with 35mm full body. Thus, these cameras are sometimes referred to as “crop sensor” or “crop body.” ASA. American Requirements Affiliation. The requirements physique that outlined the ASA system for score the velocity sensitivity of photographic emulsions. The personal non-profit group has since been renamed to American Nationwide Requirements Institute (ANSI). In 1974, ASA and DIN had been mixed into the ISO requirements utilized by photographers at present. AWB. Auto White Steadiness. A digital camera or software program function that evaluates a photograph and routinely selects the optimum white stability with the objective of eradicating colour casts from the scene. B B. Bulb. A digital camera shutter setting that retains the shutters open for so long as the shutter-release button is being held down. The identify refers back to the rubber bulbs used as pneumatic shutter releases in early cameras — squeezing the bulb would open the shutter and releasing the stress would shut the shutter, so images had been uncovered for so long as the bulb was being squeezed.
BBF. Again button focus. A digital camera function that permits a separate button on the again of the digital camera for use for focusing moderately than urgent the shutter button midway down. B&W. Black and white. Additionally referred to as monochrome, this sort of pictures options images that solely comprise shades of impartial grey (or a hue comparable to sepia) that vary from black to white, moderately than colour. C C1. Seize One. The pictures software program made by the Danish pictures gear and software program firm Section One. The app affords uncooked file processing, picture cataloging, and tethered capturing. CA. Chromatic aberration. Additionally referred to as “colour fringing,” this can be a colour distortion that happens when a lens fails to focus all colours to the identical level. It seems as an overview or fridge of colour in areas of a picture the place there’s excessive distinction between mild and darkish objects. CC. Constructive criticism. Utilized by photographers requesting others to supply helpful critiques of their work on-line. CCD. Cost-coupled machine. One of many two main sorts of semiconductor picture sensors, with the opposite being CMOS. Benefits sometimes embrace a worldwide shutter (all pixels are uncovered on the identical time), excessive decision/sensitivity (because of pixels not having to share house with the amplifiers), and high-quality/low-noise. Disadvantages embrace excessive energy consumption and excessive value (a particular manufacturing course of is required). CDAF. Distinction-detection autofocus. An autofocus system that achieves focus by measuring distinction utilizing a sensor by means of the lens. The digital camera makes an attempt to give attention to an object by adjusting the lens’ focus till most distinction on the focus level is detected. In comparison with phase-detection autofocus, contrast-detection autofocus has poorer efficiency in relation to monitoring shifting topics.
CF. CompactFlash. A reminiscence card format that’s generally utilized by digital cameras. Developed by SanDisk in 1994, it makes use of flash reminiscence know-how to retailer giant quantities of information on comparatively small units. Its main competitor is the Safe Digital (SD) card. CIF. Catch in focus. Often known as “lure focus,” this can be a technique of photographing by which the photographer pre-focuses a digital camera to a selected spot after which the digital camera routinely triggers an publicity when it detects {that a} topic has walked into focus at that spot. CMOS. Complementary steel–oxide–semiconductor. The dominant kind of picture sensor present in fashionable digital cameras (the opposite being CCD). Benefits embrace readout velocity, low energy consumption, and low value (it makes use of conventional chipmaking processes). Disadvantages embrace rolling shutter (pixels are uncovered line by line) and decrease sensitivity (every pixel web site shares house with an amplifier). CMYK. Cyan, magenta, yellow, and black. A subtractive colour mannequin utilized in colour printing that makes use of cyan, magenta, yellow, and key (black) ink plates on a lightweight (normally white) background. As a subtractive mannequin, the added colours are subtracted from white, and the complete mixture of colours is black. Shade printers are usually CMYK. CP. Round polarizing filter. Additionally abbreviated as CPL, a round polarizer is a kind of filter that attaches to a lens and cuts down on glare and reflections. A photographer can rotate the entrance a part of the filter to regulate the polarization impact. CSC. Compact system digital camera. One other identify for mirrorless cameras. See MILC. CWB. Customized white stability. A digital camera setting that permits photographers to set their very own white stability, normally for conditions with tough or blended lighting. This entails photographing one thing pure white or impartial grey in the identical lighting to function a reference for the digital camera to regulate colour temperature.
D DAM. Digital asset administration. Software program that aids within the group of huge numbers of recordsdata. Options usually embrace importing, viewing, organizing, tagging, enhancing, and sharing. Widespread apps embrace Adobe Lightroom and Adobe Bridge. DDSSM. Direct Drive Tremendous Sonic Wave Motor. Sony’s identify for its ultrasonic motor lens know-how in a linear motor. See USM. DIN. Deutsches Institut für Normung. A logarithmic system for score movie velocity that was launched in 1934 earlier than turning into extensively utilized in Europe. In 1974, DIN and ASA had been mixed into the ISO requirements utilized by photographers at present. DoF. Depth of Discipline. The gap between the closest and farthest objects in a photograph which might be in focus by being acceptably sharp. A shallow depth of discipline may end up in appreciable blurring in entrance of and behind the topic that’s targeted on, whereas a large/deep depth of discipline can render extra (or all) of a scene in sharp focus. DNG. Digital Detrimental. A lossless uncooked picture format developed and patented by Adobe to be used in digital pictures. As an open format with freely out there specs, DNG is designed to be a common uncooked file format as a substitute for the proprietary uncooked codecs developed by digital camera producers. DPI. Dots per inch. A method to measure the wonderful element functionality of a printer or scanner. Refers back to the variety of separate dots that may be put into the house of 1 linear (not sq.) inch. DSLM. Digital single-lens mirrorless. One other identify for mirrorless cameras. See MILC.
DSLR. Digital single-lens reflex. A digital digital camera that makes use of a mirror to direct mild between the viewfinder prism (for seeing and composing the scene) and the picture sensor (when the shutter is activated to reveal a photograph). DR. Dynamic vary. The vary of sunshine intensities, or luminance, between the utmost and minimal in a scene, from the highlights to the shadows. That is typically used to check with the bounds of this vary {that a} movie or digital sensor can seize. DSC. Digital Nonetheless Digicam. Usually utilized by numerous digital cameras because the prefix on the file names of captured digital images. DX. Nikon’s identify for its APS-C crop picture sensor format, which measures roughly 24x16mm. E EC. Publicity compensation. A digital camera function that permits photographers to over- or under-expose {a photograph} (typically in 1/third cease intervals) relative to the right publicity calculated by the built-in publicity meter. ED. Further low dispersion glass. Glass with extra-low dispersion that’s used as parts in digital camera lenses to scale back chromatic aberration. EF. Electro-Focus. Canon’s customary lens mount launched in 1987 for its EOS household of movie and digital SLR cameras. EF lenses autofocus utilizing an electrical motor inside every lens.
EF-S. Electro-Focus Small/Quick. Canon’s lens mount launched in 2003 and designed for EOS household DSLRs with APS-C sized sensors. EF lenses designed for full-frame cameras can be utilized on EF-S mount cameras, however EF-S lenses can’t be mounted on EF mount cameras. The ‘S’ within the identify could stand for Small (referring to the smaller picture circle) or Quick (referring to the shorter distance between the lens and sensor). EOS. Electro-Optical System. Canon’s household of autofocus cameras that was launched in 1987. Initially launched for 35mm movie SLRs, EOS has grown to incorporate DSLR cameras in addition to mirrorless cameras (with the introduction of the EOS-M line). The EOS line was additionally named after the Greek goddess of daybreak. EOS M. Electro-Optical System Mobility. Canon’s first household of mirrorless interchangeable-lens cameras. ETTL. Evaluative though-the-lens. Computerized flash metering that fires a pre-flash, measures the ensuing mild that comes into the digital camera, after which makes use of that info to calculate the right flash publicity time. ETTR. Expose to the fitting. The strategy of aiming to have as excessive an publicity as potential to gather as a lot mild and knowledge as potential with out clipping on the histogram and dropping element by overexposing. EV. Publicity worth. A quantity representing the amount of sunshine hitting a digital camera’s movie or sensor, as decided by the aperture and shutter velocity. Completely different mixtures of aperture and shutter velocity that produce the identical publicity have the identical EV quantity. EVF. Digital viewfinder. A digital camera viewfinder by which the scene as seen by means of the lens is projected for the photographer to view with one eye on a miniature digital show.
EVIL. Digital viewfinder, interchangeable lens. One other identify for mirrorless cameras. See MILC. EXIF. Exchangeable Picture File Format. Formally stylized as Exif (with out all caps), that is the standardized information that’s saved to each picture file a digital camera information. Info contained could embrace date/time, digital camera/lens data, publicity particulars, GPS, and extra. F f. f-number of f-stop. That is the quantity that specifies a lens’ aperture. It’s the ratio of focal size to efficient aperture diameter. A low f-number denotes a bigger aperture measurement that permits extra mild to succeed in the digital camera’s movie or sensor. One f-stop refers to a change of √2 (~1.41) in f-number and an element of two change in mild depth. FF. Full body. The sensor measurement in digital pictures primarily based on the 35mm format that turned dominant in movie pictures. A full body sensor measures 36×24mm, a side ratio of three:2, and a diagonal measurement of roughly 43mm. FOV. Discipline of view. The portion of the world that’s seen by means of and capturable by a digital camera. When expressed as an angle (of the view cone), that is additionally known as the angle of view (AOV). Discipline of view will depend on the focal size of the lens and the scale of the sensor/movie. FPS. Focal-plane shutter. A kind of shutter that sits proper in entrance of a digital camera’s focal aircraft. FPS. Frames per second. It is a digital camera’s most steady capturing (burst) price for nonetheless images or out there body charges for video.
FX. Nikon’s identify for its full body sensor format, which has dimensions primarily based on that of 35mm movie. G GAS. Gear acquisition syndrome. Usually used to explain a photographer’s addition to repeatedly buying new digital camera gear, typically with none actual sensible want. GB. Gigabyte. A a number of of the byte unit for digital info storage. Since giga denotes 109, a gigabyte is one billion bytes of information. GIF. Graphics Interchange Format. A bitmap picture format launched in 1987 that helps 8 bits per pixel, that means every picture can show a most of 256 totally different colours. GIFs are ubiquitous on the Internet as a result of format being extensively supported, however the colour limitations make the format much less appropriate for images than codecs comparable to JPEG. Nevertheless, images are extensively shared in GIFs within the type of on-line memes. GN. Information quantity. A quantity used to point the facility of an digital flash and used to calculate the required f-stop for any flash-to-subject distance (or the gap for a given f-stop). Information quantity = f-number x distance. The bigger the information quantity, the larger the gap the flash can correctly expose a topic. GND. Graduated impartial density. A sort of impartial density filter by which the quantity of sunshine blocked is a gradient from one aspect to the opposite. Helpful for scenes like landscapes the place photographers want to scale back the distinction between a brilliant sky and a darkish panorama. GP. Gigapixel. One billion pixels. A time period used to check with the decision of a images, shows, and digital camera sensors.
H HDR. Excessive dynamic vary. A kind of pictures that goals to breed a larger vary of luminosity than what’s ordinarily captured with customary photographic gear and strategies. That is typically completed by capturing a number of images at totally different exposures after which combining them into one picture with the next most and decrease minimal tonal worth. HFD. Hyperfocal distance. A spotlight distance past which all objects in a scene are rendered with “acceptable” focus, ensuing within the most depth of discipline at a given aperture. HSM. Hyper Sonic Motor. Sigma’s identify for its ultrasonic motor lens know-how. See USM. HSS. Excessive-speed sync. A flash function that means that you can synchronize your flash output when utilizing shutter speeds sooner than the digital camera’s native flash sync velocity. Helpful for eventualities comparable to including fill-flash to a mannequin outside on a brilliant day. I IBIS. In-body picture stabilization. A mechanism present in digital cameras that compensates for digital camera motion whereas an publicity is being made by shifting the picture sensor on the closing level of the optical path. These programs compensate for as much as 5 axes of motion: X, Y, Roll, Yaw, and Pitch. Whereas optical picture stabilization (OIS) is constructed into particular person lenses, IBIS in a digital camera works with all lenses that may be mounted to it. ICM. Intentional digital camera motion. A kind of pictures by which the digital camera is moved or lens adjusted throughout an publicity for inventive impact. These acts produce blurring in ensuing images, whether or not from the motion of the digital camera or from adjusting the main target or zoom of the lens. IF. Inner focus. A design for digital camera lenses by which focus is achieved by solely shifting inner lens parts with none rotation or shifting of the entrance lens aspect. Benefits embrace the power to extra simply use sure filters (screwed-in polarizing) and hoods (petal), holding mud out, not hitting macro topics, avoiding “zoom creep,” and smaller lens designs.
ILC. Interchangeable lens digital camera. A digital camera that accepts interchangeable lenses moderately than having a set non-removable lens. IPS. In-person gross sales. A enterprise mannequin by which a photographer meets shoppers in-person to promote services or products. Fairly than resolve on closing costs and packages previous to a shoot, an IPS photographer usually performs a photograph shoot first after which meets with the shopper afterward to evaluate the images and promote them as numerous merchandise and bundles. IPTC. Worldwide Press Telecommunications Council. A London-based consortium of over 50 main information firms and organizations from around the globe. As the worldwide requirements physique of stories media, the IPTC outlined a typical for picture metadata that’s the world’s most generally accepted and used. IQ. Picture high quality. The standard of images, typically close to the efficiency and options of cameras (e.g. decision, noise, dynamic vary, colour), lenses (e.g. sharpness, aberration, vignetting, distortion), and post-processing software program. IR. Infrared. Mild of wavelengths sometimes between 700nm to 900nm that may be captured utilizing movie or picture sensors delicate to that a part of the spectrum. Infrared images captured with seen mild blocked sometimes have a dreamlike look that includes white foliage, darkish skies, brilliant pores and skin, and darkish eyes. IS. Picture stabilization. A function that compensates for digital camera movement throughout picture publicity with a view to scale back blur, significantly at slower shutter speeds. This may be each mechanical and digital, and it may be present in each lenses and cameras. ISO. Worldwide Group for Standardization. A normal for measuring a digital camera movie or sensor’s sensitivity to mild. For movie, this refers to how shortly the chemical compounds react to mild, and for digital sensors, this refers back to the achieve (or amplification) utilized to the sign earlier than the picture is recorded.
J JPEG. Joint Photographic Specialists Group. Additionally abbreviated JPG, this can be a lossy compression customary named after the group that created it in 1992. It has since turn into probably the most extensively used compression technique on this planet for digital images. The truth that it’s lossy signifies that enhancing and resaving the recordsdata causes a loss in picture high quality every time. Okay Okay. Kelvin. The worldwide base unit of absolute temperature that’s used to conveniently categorical colour temperature in pictures. Larger temperatures (e.g. over 5000 Okay) are cooler, bluer colours, whereas decrease temperatures (e.g. underneath 3000 Okay) are hotter, yellower colours. “Daylight” is historically round 5600 Okay. KB. Kilobyte. A a number of of the byte unit for digital info storage. Since mega denotes 103, a kilobyte is one thousand bytes of information. L LCD. Liquid crystal show. The show know-how that’s ubiquitous in digital camera screens, viewfinders, pc screens, and extra. It makes use of liquid crystals, polarizers, and backlighting to provide the displayed photos. LED. Mild-emitting diode. A semiconductor mild supply know-how that has functions in pictures starting from lighting to shows. As a lightweight supply, they’re versatile (with a variety of colours and intensities), energy-efficient, low warmth, and long-lasting. In a show, they’re brilliant, energy-efficient, sharp, flicker-free, and long-lasting. LR. Lightroom. Adobe’s Artistic Cloud software program for picture enhancing and group. Widespread amongst photographers for managing recordsdata, culling giant units of images, and their post-processing workflow. M M. Guide. A digital camera mode by which the photographer chooses the specified publicity by manually deciding on shutter velocity and aperture (and optionally ISO).
MB. Megabyte. A a number of of the byte unit for digital info storage. Since mega denotes 106, a megabyte is a million bytes of information. MF. Guide focus. A course of by which a photographer (moderately than the digital camera) adjusts the lens’ focus to realize the specified sharpness in a photograph. MF. Medium format. A movie or digital sensor measurement that’s bigger than 35mm full-frame (24mmx36mm) however smaller than large-format (4inx5in). MFT (or M4/3). Micro 4 Thirds. A mirrorless interchangeable lens digital digital camera system customary launched by Olympus and Panasonic in 2008 and joined by numerous digital camera producers. The specification makes use of the 4 Thirds sensor measurement whereas omitting a mirror field and pentaprism to permit for smaller cameras and lenses. MILC. Mirrorless interchangeable-lens digital camera. Additionally referred to as EVIL (digital viewfinder, interchangeable lens), CSC (compact system digital camera), and DSLM (digital single-lens mirrorless), this can be a digital digital camera that makes use of detachable lenses on a digital camera physique that doesn’t comprise a reflex mirror or optical viewfinder (like a DSLR does). MLU. Mirror lock-up. A function in single-lens reflex (SLR) cameras that permits the photographer to flip the mirror up and lock it in that place prematurely of the shutter being triggered. This reduces digital camera vibration through the seize of a photograph (thereby lowering blur) and in addition permits the mounting of lenses that stretch additional into the digital camera’s mirror field. MP. Megapixel. A million pixels. A time period used to check with the decision of a images, shows, and digital camera sensors.
MS. Reminiscence Stick. Sony’s proprietary detachable flash reminiscence card format that was initially launched in 1998. Along with the unique Reminiscence Stick, the household additionally contains the PRO, Duo, Micro, and PRO-HG. This format has been largely phased out after the rise of SD reminiscence playing cards. MTF. Modulation switch perform. A technical method to measure a lens’ optical efficiency potential. An MTF chart plots the distinction and backbone of a selected lens, with the x-axis representing the gap from the middle of the body (heart at left and edge at proper) and the y-axis representing mild transmission (0% at backside and 100% at high). MTF charts usually plot sagittal and meridional strains for the distinction measurements of strains that run parallel or perpendicular (respectively) to the road from the middle to the sting of the body. MUP. Mirror up. Nikon’s identify for mirror lock-up in its SLR cameras. See MLU. N ND. Impartial density. A kind of filter that reduces the quantity of sunshine coming into the digital camera, modifying the depth of all wavelengths equally in order that there are (ideally) no adjustments in colour. Permits photographers to make use of publicity settings that might in any other case lead to overexposed images (e.g. for an extended publicity or bigger aperture on a brilliant sunny day). NR. Noise discount. Digital processing to take away noise from {a photograph}, whether or not completed in-camera by firmware or by a function/device in a picture processing/enhancing software. O OCF. Off-camera flash. The usage of flashes or strobes positioned away from the highest of the digital camera, the place hotshoe-mounted or built-in flashes are situated. This permits the photographer to creatively management the path and depth of sunshine from every flash. OEM. Authentic gear producer. The corporate that manufactured any given product, whether or not that product was marketed underneath that firm’s or one other firm’s branding.
OIS. Optical picture stabilization. Often known as picture stabilization (IS) and optical stabilization (OS), this can be a mechanism in lenses that compensates for digital camera motion whereas an publicity is being made by shifting optical parts to differ the optical path to the sensor. OOF. Out of focus. When some or all of {a photograph} is blurry as a result of topic being discovered exterior the depth of discipline, vary of focal aircraft distances by which topics are rendered as acceptably sharp in a photograph. OVF. Optical viewfinder. Permits the photographer to compose (and normally focus) a scene whereas trying on the scene itself moderately than an digital show (as with an EVF). This generally is a through-the-lens viewfinder (like in SLRs) or a look-through viewfinder (like in rangefinders). P P. Program. A digital camera mode by which the digital camera calculates the optimum shutter velocity and aperture (and optionally ISO). Program mode differs from Auto in that settings apart from publicity are manually set by the photographer. PASM. Program, aperture precedence, shutter precedence, and handbook. The 4 primary modes provided on cameras for figuring out which parameters of publicity are manually chosen by the photographer versus that are routinely chosen by the digital camera. PC. Prontor-Compur. A normal 3.5mm (1/8″) electrical connector utilized in pictures to synchronize a shutter to a flash. PDAF. Section-detection autofocus. A digital camera autofocus system that divides incoming mild from reverse sides of the lens into two photos and compares them to calculate whether or not the topic is front- or back-focused. This info is then used to regulate the lens till focus is achieved.
PF. Purple fringing. An optical aberration, significantly in digital pictures, by which a topic has a purple or magenta fringe. PNG. Moveable Community Graphics. A raster-graphics file format that was created as a alternative for the GIF. PNG photos help lossless information compression and tens of millions of colours (by comparability, GIF photos are restricted to a pallet of simply 256 colours). Because the PNG was designed for the Internet and never for print, solely RGB colour areas are supported (and never CMYK). PP. Submit-processing. Additionally known as “submit,” that is the method of enhancing unique digital camera information with software program packages (e.g Photoshop and Lightroom) to create an improved and/or custom-made closing {photograph}. This may contain each primary edits (e.g. brightness, distinction, white stability, saturation, cropping) in addition to extra concerned enhancing (e.g. cloning, compositing, masking). PPI. Pixels per inch. A method to measure the decision of a digital show. Refers back to the variety of pixels which might be discovered house of 1 linear (not sq.) inch. P&S. Level-and-shoot. A small compact digital camera, usually used with full automation to simplify operation for informal picture taking. PS. Photoshop. The picture and raster graphics enhancing program made by Adobe. First launched in 1988, Photoshop has turn into the business customary software for photographers. The software program is so ubiquitous that its identify has turn into a generic phrase for all picture enhancing (e.g. “that picture was photoshopped”). PSE. Photoshop Components. The picture and graphics editor made by Adobe geared towards hobbyist photographers. Whereas it comprises lots of the identical core options of Photoshop, it’s primarily geared towards quick and easy enhancing by those that should not consultants and professionals.
PZD. Piezo Drive. Tamron’s identify for its ultrasonic motor lens know-how utilized in smaller lenses. See USM. Q R RGB. Purple, inexperienced, and blue. An additive colour mannequin by which the first colours of purple, inexperienced, and blue are added collectively in numerous proportions to create a variety of potential colours. As an additive mannequin, purple, inexperienced, and blue are added to black, and the complete mixture of colours is white. Digital cameras and pc/cellphone shows sometimes work in RGB. S S. Shutter precedence. Additionally abbreviated on some mode dials as Television, for time worth, this can be a digital camera setting by which the photographer chooses a set shutter velocity whereas permitting the digital camera to regulate the aperture worth (and presumably ISO) to realize a correct publicity (as decided by the digital camera’s inner mild meter). SD. Safe Digital. A reminiscence card format that’s generally utilized by digital cameras. Launched in August 1999 by SanDisk, Panasonic, and Toshiba, it makes use of flash reminiscence know-how to retailer giant quantities of information on comparatively small units. Its main competitor is the CompactFlash (CF) card. SDA. SD Affiliation. The non-profit group fashioned in January 2000 by SanDisk, Panasonic, and Toshiba to handle SD Card requirements. Round 1,000 firms at the moment are part of SDA. SDM. Supersonic Dynamic Motor. Pentax’s identify for its ultrasonic motor lens know-how. See USM. SOOC. Straight out of digital camera. Photographs as they had been captured by the digital camera with none further post-processing afterward previous to it being displayed.
SLR. Single-lens reflex. A digital camera (most frequently referring to a movie one lately) that makes use of a mirror to direct mild between the viewfinder prism (for seeing and composing the scene) and the picture sensor (when the shutter is activated to reveal a photograph). SSM. Tremendous Sonic Wave. Sony/Konica/Minolta’s identify for its ultrasonic motor lens know-how in a hoop motor. See USM. STU. Shoot by means of umbrella. A white translucent umbrella by means of which a photographer can fireplace a flash for diffuse mild on a topic. SWD. Supersonic Wave Drive. Olympus’ identify for its ultrasonic motor lens know-how. See USM. SWM. Silent Wave Motor. Nikon’s identify for its ultrasonic motor lens know-how. See USM. T TB. Terabyte. A a number of of the byte unit for digital info storage. Since tera denotes 1012, a terabyte is one trillion bytes of information. TC. Teleconverter. An adjunct that matches between a digital camera and lens to increase the focal size of the connected lens, sometimes by 1.4x or 2x. Tradeoffs usually embrace much less mild transmitted, poorer picture high quality, and slower autofocus.
TIFF. Tag Picture File Format. Additionally abbreviated TIF, this can be a file format for storing raster graphics photos that’s generally utilized in pictures. TIFF recordsdata can retailer images in a lossless format, that means picture high quality is just not misplaced when photos are edited and resaved, making it standard as an archival format. TLR. Twin-lens reflex. A kind of digital camera that makes use of two lenses of the identical focal size. One of many lenses is used for the viewfinder system whereas the opposite is used to seize the {photograph}. TTL. By means of the lens. A way of metering mild by which the depth of sunshine that’s mirrored from the scene is measured by means of the lens, versus having a separate mild detector or an off-camera mild meter. Additionally a flash mode that makes use of the digital camera’s built-in mild metering to find out optimum flash output for the right publicity. TV. Time worth. The setting on cameras for capturing in shutter precedence mode. This permits the photographer to pick out the specified shutter velocity whereas the digital camera selects the aperture required for proper publicity. U USB. Common Serial Bus. The business customary for cables launched in 1996 that present communication and energy between units comparable to computer systems and cameras. There are a selection of widespread USB connectors, together with USB-A, USB-B, Micro-USB, Mini-USB, and USB-C. USD. Ultrasonic Silent Drive. Tamron’s identify for its ultrasonic motor lens know-how usually utilized in bigger lenses. See USM. USM. Ultrasonic motor. A kind of piezoelectric motor generally present in digital camera lenses that makes use of ultrasonic vibrations to maneuver lens parts for autofocusing. It has the benefit of being sooner and quieter than different sorts of motors used for focusing. Canon pioneered this know-how and affords it underneath the USM label, however it’s discovered within the business underneath a variety of names (e.g. Sony SSM, Nikon SWM, Olympus SWD, Panasonic XSM, Pentax SDM, Sigma HSM, and Tamron USD).
UV. Ultraviolet. Electromagnetic radiation with a wavelength between 10-400nm, which is shorter than seen mild (which is between 400-700nm. These wavelengths will be captured by particular or modified cameras in a distinct segment referred to as UV pictures. V VR. Vibration Discount. Nikon’s identify for its picture stabilization know-how in lenses that reduces blur brought on by digital camera shake. W WB. White stability. The adjusting of colour intensities in a scene which have a colour solid brought on by totally different mild sources with totally different colour temperatures. The objective is normally to succeed in pure/right colours that mirror what the human eye sees. X XQD. XQD (Not an acronym). A reminiscence card format designed as a alternative for CompactFlash playing cards. Makes use of PCI Specific for its information switch interface and is primarily focused at high-resolution nonetheless and video cameras. The format was first unveiled by SanDisk, Sony, and Nikon in November 2010. XSM. Further Silent Motor. Panasonic’s identify for its ultrasonic motor lens know-how. See USM. Y Z Did we miss an abbreviation, acronym, or image? Be at liberty to get in contact to tell us and we’ll replace the checklist along with your tip. Picture credit: Header illustration picture licensed from Depositphotos
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