Photography Vocabulary List

AP-er-chur | /ˈæp.ər.tʃər/

Meaning: The opening in a lens through which light travels into the camera body.

Uses: Controlling light and depth of field.

Fun Fact: Aperture is measured in f-stops, where a lower number means a wider opening.

AW-toh-FOH-kus | /ˈɔː.toʊˈfoʊ.kəs/

Meaning: A camera system that automatically adjusts the lens to focus on the subject.

Uses: Achieving sharp images quickly.

Fun Fact: The first autofocus camera for consumers was the Konica C35 AF in 1977.

AM-bee-uhnt LYT | /ˈæm.bi.ənt laɪt/

Meaning: The naturally available light in a scene, without the use of artificial flashes.

Uses: Illuminating a scene naturally.

Fun Fact: Ambient light is also known as available light, and photographers often chase the 'golden hour' for the best ambient light.

AS-pekt RAY-shee-oh | /ˈæs.pɛkt ˈreɪ.ʃi.oʊ/

Meaning: The proportional relationship between the width and height of an image.

Uses: Formatting images for screens or print.

Fun Fact: The common aspect ratio for modern digital cameras is 3:2, while smartphones often use 4:3 or 16:9.

BOH-kay | /boʊˈkeɪ/

Meaning: The aesthetic quality of the out-of-focus areas in a photograph.

Uses: Creating artistic background blur.

Fun Fact: The word bokeh comes from the Japanese word 'boke', which means haze or blur.

BUF-ur | /ˈbʌf.ər/

Meaning: Temporary memory in a digital camera that stores images before writing them to the memory card.

Uses: Allowing continuous burst shooting.

Fun Fact: When the buffer is full, the camera will temporarily stop shooting until the data is saved to the card.

BULB MOHD | /bʌlb moʊd/

Meaning: A camera setting that keeps the shutter open for as long as the shutter button is pressed.

Uses: Taking ultra-long exposures.

Fun Fact: It is called 'bulb' because, historically, photographers used a rubber bulb squeezed by air to open the shutter.

BAY-uh-net MOUNT | /ˈbeɪ.ə.nɛt maʊnt/

Meaning: A mechanism for attaching a lens to a camera body using a locking twist motion.

Uses: Securing lenses firmly.

Fun Fact: Different camera brands have their own proprietary bayonet mounts, meaning a Canon lens won't fit a Nikon body without an adapter.

KROP FAK-tur | /krɒp ˈfæk.tər/

Meaning: The ratio of the dimensions of a camera's imaging area compared to a full-frame sensor.

Uses: Calculating effective focal length.

Fun Fact: An APS-C sensor has a crop factor of 1.5x, meaning a 50mm lens acts like a 75mm lens.

SEE-MOS SEN-sur | /ˌsiː.mɒs ˈsɛn.sər/

Meaning: A type of digital camera sensor that converts light into electrical signals to create an image.

Uses: Capturing digital images.

Fun Fact: CMOS stands for Complementary Metal-Oxide-Semiconductor, which uses less power than older CCD sensors.

kroh-MAT-ik ab-ur-AY-shun | /kroʊˈmæt.ɪk ˌæb.əˈreɪ.ʃən/

Meaning: A visual flaw where colors fail to converge at the same point, creating colored edges around objects.

Uses: Describing lens defects.

Fun Fact: Also known as 'color fringing', it is most common at the edges of wide-angle photos.

KAY-bul ri-LEES | /ˈkeɪ.bəl rɪˈliːs/

Meaning: A physical cable attached to the camera shutter button, allowing the photographer to trigger the camera without touching it.

Uses: Preventing camera shake during long exposures.

Fun Fact: Modern cable releases are often electronic, replacing the old mechanical plunger styles.

DEPTH uhv FEELD | /dɛpθ ʌv fiːld/

Meaning: The distance between the nearest and farthest objects in a photo that appear acceptably sharp.

Uses: Directing viewer focus.

Fun Fact: A wide aperture (like f/1.8) creates a shallow depth of field, blurring the background.

DEE-ES-EL-AR | /ˌdiː.ɛs.ɛl.ˈɑr/

Meaning: Digital Single-Lens Reflex; a camera that uses a mirror to reflect light into a viewfinder and has a digital sensor.

Uses: Professional and hobby photography.

Fun Fact: The reflex mirror inside a DSLR flips up out of the way when you press the shutter, which creates the characteristic clicking sound.

DY-uh-pur | /ˈdaɪ.ə.pər/

Meaning: A small dial next to the viewfinder that adjusts the optical focus to match the photographer's eyesight.

Uses: Customizing the viewfinder clarity.

Fun Fact: Adjusting the diopter is like getting prescription glasses for your camera's viewfinder.

dy-NAM-ik RAYNJ | /daɪˈnæm.ɪk reɪndʒ/

Meaning: The range of light intensities from the darkest shadows to the brightest highlights a camera can capture.

Uses: Evaluating sensor performance.

Fun Fact: The human eye has a much higher dynamic range than any digital camera, which is why cameras struggle in high-contrast scenes.

ik-SPOH-zhur | /ɪkˈspoʊ.ʒər/

Meaning: The amount of light that reaches the camera sensor, determining how bright or dark the photo is.

Uses: Determining image brightness.

Fun Fact: Exposure is controlled by the 'Exposure Triangle': Aperture, Shutter Speed, and ISO.

EE-VEE-EF | /ˌiː.viːˈɛf/

Meaning: Electronic Viewfinder; a small digital screen inside the camera that displays what the sensor sees.

Uses: Framing shots in bright light.

Fun Fact: Unlike optical viewfinders, an EVF can show a live exposure preview, showing exactly how dark or bright the final photo will be.

EG-zif DAY-tuh | /ˈɛɡ.zɪf ˈdeɪ.tə/

Meaning: Hidden metadata in an image file that records camera settings like shutter speed, aperture, and GPS location.

Uses: Tracking camera settings.

Fun Fact: EXIF stands for Exchangeable Image File Format, and it can be read by most photo editing software.

ik-STEN-shun TOOB | /ɪkˈstɛn.ʃən tub/

Meaning: A hollow ring placed between the camera body and lens to decrease the minimum focusing distance.

Uses: Shooting macro photography cheaply.

Fun Fact: Because an extension tube has no glass, it is much cheaper than buying a dedicated macro lens.

EF-STOP | /ˈɛf.stɒp/

Meaning: A number representing the size of the lens aperture opening.

Uses: Measuring aperture.

Fun Fact: F-stops are inversely related to aperture size; f/2.8 is a wide opening, while f/16 is a narrow opening.

FOH-kul LENGTH | /ˈfoʊ.kəl lɛŋθ/

Meaning: The distance between the lens and the image sensor when the subject is in focus, measured in millimeters.

Uses: Determining the angle of view and magnification.

Fun Fact: A short focal length (e.g., 16mm) gives a wide view, while a long focal length (e.g., 200mm) magnifies distant subjects.

FIL-tur | /ˈfɪl.tər/

Meaning: A piece of glass or plastic attached to the front of a lens to alter the light entering the camera.

Uses: Modifying light and protecting lenses.

Fun Fact: A UV filter is often left on the lens permanently just to protect the front glass element from scratches.

FLASH SINGK | /flæʃ sɪŋk/

Meaning: The fastest shutter speed a camera can use while still capturing the burst of an external flash.

Uses: Synchronizing flash and shutter.

Fun Fact: Typical flash sync speeds are around 1/200th to 1/250th of a second; faster speeds will result in a black band across the photo.

GRAYN | /ɡreɪn/

Meaning: Visual noise in a photo, appearing as tiny speckles, usually caused by using a high ISO.

Uses: Describing digital noise.

Fun Fact: While grain is usually undesirable in digital photography, film photographers often embrace it as an artistic texture.

GOHL-dun OW-ur | /ˈɡoʊl.dən ˈaʊ.ər/

Meaning: The period of daytime shortly after sunrise or before sunset when the light is warm and soft.

Uses: Scheduling portrait and landscape shoots.

Fun Fact: The golden hour occurs because the sun is low in the sky, forcing light to travel through more of the atmosphere, scattering blue light and leaving warm tones.

JIM-bul | /ˈdʒɪm.bəl/

Meaning: A motorized device that uses sensors to keep a camera perfectly stable while moving.

Uses: Shooting smooth video footage.

Fun Fact: Gimbals use brushless motors to counteract the operator's movements instantly, making shaky walks look like cinematic glides.

GOH-boh | /ˈɡoʊ.boʊ/

Meaning: A physical object placed between a light source and the subject to block, shape, or filter the light.

Uses: Creating shadows or patterns.

Fun Fact: Gobo is short for 'go-between optics', and a common DIY gobo is a piece of cardboard cut into a window-blind pattern.

HIS-toh-gram | /ˈhɪs.tə.ɡræm/

Meaning: A graphical chart on the camera screen showing the distribution of light and dark pixels in an image.

Uses: Checking exposure accurately.

Fun Fact: A histogram pushed all the way to the right edge means the photo is overexposed (blown highlights), while pushed left means underexposed.

HOT SHOO | /hɒt ʃuː/

Meaning: A mounting bracket on top of a camera used to attach accessories like flashes or microphones.

Uses: Mounting accessories.

Fun Fact: The 'hot' in hot shoe refers to the electronic contact points that allow the camera to communicate with the mounted flash.

AYCH-DEE-AR | /ˌeɪtʃ.diːˈɑr/

Meaning: High Dynamic Range; a technique where multiple photos of different exposures are combined into one image.

Uses: Capturing high-contrast scenes.

Fun Fact: HDR is heavily used in real estate and landscape photography to ensure both the dark interior and bright exterior of a window are visible.

hy-pur-FOH-kul DIS-tuns | /ˌhaɪ.pərˈfoʊ.kəl ˈdɪs.təns/

Meaning: A focusing distance that produces the greatest depth of field, keeping everything from half that distance to infinity sharp.

Uses: Maximizing sharpness in landscapes.

Fun Fact: Street photographers often pre-focus their lenses to the hyperfocal distance so they can snap photos instantly without waiting for autofocus.

EYE-soh | /ˈaɪ.soʊ/

Meaning: A setting that controls the sensitivity of the camera's sensor to light.

Uses: Brightening photos in low light.

Fun Fact: ISO stands for International Organization for Standardization, the group that standardized film speeds before the digital era.

IM-ij stah-bih-li-ZAY-shun | /ˈɪm.ɪdʒ ˌsteɪ.bɪ.laɪˈzeɪ.ʃən/

Meaning: A mechanism inside a lens or camera body that moves optical elements to counteract handshake.

Uses: Preventing blurry photos at slow shutter speeds.

Fun Fact: Different brands have different acronyms for this, such as VR (Nikon), IS (Canon), and OSS (Sony).

in-tur-CHAYNJ-uh-bul LENZ | /ˌɪn.tərˈtʃeɪndʒ.ə.bəl lɛnz/

Meaning: A lens that can be physically removed from the camera body and swapped for a different one.

Uses: Adapting to different photography styles.

in-FIN-ih-tee | /ɪnˈfɪn.ɪ.ti/

Meaning: The farthest distance a lens can focus, represented by an infinity symbol (∞).

Uses: Focusing on distant landscapes or stars.

Fun Fact: Focusing to infinity does not mean the lens focuses on nothing; it means objects far away are rendered sharp.

JAY-peg | /ˈdʒeɪ.pɛɡ/

Meaning: A compressed image file format that processes color and sharpness inside the camera.

Uses: Standard photo storage and sharing.

Fun Fact: JPEG compression discards some image data to keep file sizes small, which is why it is called a 'lossy' format.

JEL-ee ih-FEKT | /ˈdʒɛl.i ɪˈfɛkt/

Meaning: A distortion in video where fast-moving objects appear to wobble or lean, caused by a rolling shutter.

Uses: Describing video artifacts.

Fun Fact: The jelly effect is most noticeable when panning the camera quickly or filming fast objects like propellers.

JIB | /dʒɪb/

Meaning: A long mechanical arm with a counterweight used to mount a camera and sweep it through high, smooth arcs.

Uses: Cinematic camera movement.

Fun Fact: A jib is essentially a small crane, allowing operators to get sweeping overhead shots that tripods cannot reach.

JOOL | /dʒuːl/

Meaning: A unit of energy used to measure the power output of a studio strobe flash.

Uses: Rating flash power.

Fun Fact: One joule is equal to one watt-second, so a 500Ws strobe outputs 500 joules of energy per flash.

KEL-vin | /ˈkɛl.vɪn/

Meaning: A scale used to measure the color temperature of light.

Uses: Setting white balance.

Fun Fact: Lower Kelvin numbers (2700K) appear warm and orange, while higher numbers (7000K) appear cool and blue.

KEE LYT | /kiː laɪt/

Meaning: The primary and strongest light source in a multi-light setup.

Uses: Establishing the main exposure and shadows.

Fun Fact: In a classic three-point lighting setup, the key light is usually placed at a 45-degree angle to the subject's face.

KIT LENZ | /kɪt lɛnz/

Meaning: A basic, inexpensive zoom lens sold bundled with a camera body.

Uses: General beginner photography.

Fun Fact: Kit lenses usually have a variable aperture (like f/3.5-5.6), meaning the aperture gets smaller as you zoom in.

KIK-ur LYT | /ˈkɪk.ər laɪt/

Meaning: A light placed behind the subject to create a subtle highlight along the edge of their face or hair.

Uses: Separating the subject from the background.

LENZ | /lɛnz/

Meaning: An optical device made of glass elements that focuses light onto the camera sensor.

Uses: Focusing light to create the image.

Fun Fact: The word lens comes from the Latin word for 'lentil', because early glass lenses resembled the shape of the bean.

LAWNG ik-SPOH-zhur | /lɔːŋ ɪkˈspoʊ.ʒər/

Meaning: A photograph taken with a slow shutter speed, usually seconds or minutes long.

Uses: Capturing motion or low-light scenes.

EL-SEE-DEE SKREEN | /ˌɛl.siː.diː skriːn/

Meaning: The monitor on the back of a digital camera used to review photos and navigate menus.

Uses: Viewing and framing images.

Fun Fact: Many modern cameras feature an articulating LCD screen that can flip out and rotate for tough angles.

LYT MEE-tur | /laɪt ˈmiː.tər/

Meaning: A device that measures the amount of light falling on a subject to determine correct exposure settings.

Uses: Calculating exposure manually.

MEG-uh-PIK-sul | /ˈmɛɡ.əˌpɪk.səl/

Meaning: One million pixels; used to describe the resolution of a camera sensor.

Uses: Measuring image resolution.

MAK-roh LENZ | /ˈmæk.roʊ lɛnz/

Meaning: A lens designed to focus extremely close to a subject, capturing life-size or larger images.

Uses: Photographing insects, flowers, and tiny details.

Fun Fact: A true macro lens has a magnification ratio of 1:1, meaning the subject is the same size on the sensor as it is in real life.

MAN-yoo-ul MOHD | /ˈmæn.ju.əl moʊd/

Meaning: A camera setting where the photographer manually sets the aperture, shutter speed, and ISO.

Uses: Taking full creative control of exposure.

MON-uh-pod | /ˈmɒn.ə.pɒd/

Meaning: A single pole used to support the weight of a camera.

Uses: Stabilizing heavy telephoto lenses.

Fun Fact: Sports photographers favor monopods over tripods because they are highly mobile and allow for quick panning.

EN-DEE FIL-tur | /ˌɛnˈdiː ˈfɪl.tər/

Meaning: Neutral Density filter; a dark piece of glass placed over the lens to reduce the amount of light entering the camera.

Uses: Allowing wide apertures or slow shutter speeds in bright light.

Fun Fact: ND filters are essentially 'sunglasses' for your camera, allowing you to shoot long exposures of waterfalls in broad daylight.

NOYZ | /nɔɪz/

Meaning: Random variations of brightness and color in a digital image, usually caused by high ISO settings.

Uses: Describing digital grain.

NEG-uh-tiv | /ˈnɛɡ.ə.tɪv/

Meaning: A piece of photographic film where the light areas of the subject appear dark and the dark areas appear light.

Uses: Capturing images on film.

NOH-dul POINT | /ˈnoʊ.dəl pɔɪnt/

Meaning: The specific point inside a lens where light rays converge to form the image.

Uses: Stitching panoramas without parallax errors.

Fun Fact: Finding the nodal point is crucial for panoramic photography to prevent objects from shifting relative to each other when the camera is rotated.

oh-vur-ik-SPOH-zhur | /ˌoʊ.vər.ɪkˈspoʊ.ʒər/

Meaning: When a photo receives too much light, causing bright areas to lose all detail and become pure white.

Uses: Describing a lighting error.

OP-ti-kul ZOOM | /ˈɒp.tɪ.kəl zuːm/

Meaning: Magnifying a subject by physically moving the glass elements inside a lens.

Uses: Getting closer to a subject without losing quality.

Fun Fact: Optical zoom is vastly superior to digital zoom, which simply crops and enlarges the image, reducing quality.

OH-VEE-EF | /ˌoʊ.viːˈɛf/

Meaning: Optical Viewfinder; a window on a camera that allows the photographer to see the scene directly through the lens via a mirror.

Uses: Framing shots without using battery power.

OK-tuh-boks | /ˈɒk.tə.bɒks/

Meaning: A large, eight-sided light modifier that attaches to a studio strobe to create soft, wraparound light.

Uses: Softening studio flash light.

Fun Fact: The octagonal shape of the octabox produces round catchlights in the subject's eyes, mimicking a natural window.

PRYM LENZ | /praɪm lɛnz/

Meaning: A lens with a fixed focal length that cannot zoom in or out.

Uses: Achieving maximum sharpness and wide apertures.

PAIR-uh-laks | /ˈpær.ə.læks/

Meaning: The apparent shift in the position of an object when viewed from two different lines of sight.

Uses: Explaining viewfinder inaccuracies.

PIK-sul | /ˈpɪk.səl/

Meaning: The smallest controllable element of a digital image represented on a screen.

Uses: Building digital images.

Fun Fact: The word pixel is a combination of 'picture' (pix) and 'element' (el).

PAN-ing | /ˈpæn.ɪŋ/

Meaning: A technique where the photographer moves the camera horizontally to follow a moving subject.

Uses: Capturing motion with a sharp subject and blurred background.

KWIK ri-LEES PLAYT | /kwɪk rɪˈliːs pleɪt/

Meaning: A small metal plate screwed into the bottom of a camera, allowing it to snap quickly into a tripod head.

Uses: Mounting cameras to tripods rapidly.

KWORTS LYT | /kwɔrts laɪt/

Meaning: A type of tungsten halogen light bulb used in continuous video lighting that burns very hot.

Uses: Continuous video or still lighting.

Fun Fact: Quartz halogen lights are being replaced by cooler, more energy-efficient LED panels in modern studios.

KWY-it SHUT-ur | /ˈkwaɪ.ɪt ˈʃʌt.ər/

Meaning: A camera mode that dampens the sound of the mirror slapping up and down.

Uses: Shooting in quiet environments like weddings.

KWON-tum ih-FISH-un-see | /ˈkwɒn.təm ɪˈfɪʃ.ən.si/

Meaning: A measure of how effectively a camera sensor converts incoming light photons into electrical signals.

Uses: Evaluating sensor performance.

RAW | /rɔː/

Meaning: An unprocessed image file containing all data captured by the camera sensor.

Uses: Capturing maximum detail for editing.

Fun Fact: RAW files are often called 'digital negatives' because they must be processed in software before they can be printed or shared.

rez-uh-LOO-shun | /ˌrɛz.əˈluː.ʃən/

Meaning: The total number of pixels in an image, determining its detail and maximum print size.

Uses: Measuring image detail.

ri-FLEK-tur | /rɪˈflɛk.tər/

Meaning: A surface used to bounce natural or artificial light onto a subject to fill in shadows.

Uses: Softening harsh shadows.

RING LYT | /rɪŋ laɪt/

Meaning: A circular electronic flash that mounts around the camera lens, providing shadowless light.

Uses: Macro photography and beauty lighting.

Fun Fact: Ring lights create distinct, circular catchlights in the subject's eyes, a staple of modern beauty tutorials.

SHUT-ur SPEED | /ˈʃʌt.ər spiːd/

Meaning: The length of time the camera's shutter remains open, allowing light to hit the sensor.

Uses: Freezing or blurring motion.

Fun Fact: Shutter speeds are measured in fractions of a second, such as 1/500th, but can be extended to minutes for long exposures.

SEN-sur | /ˈsɛn.sər/

Meaning: The digital chip inside the camera that captures light and converts it into an image.

Uses: Recording the photograph.

Fun Fact: Camera sensors are incredibly delicate, and getting dust on them will result in dark spots in all your photos.

SOFT-boks | /ˈsɒft.bɒks/

Meaning: A fabric box that fits over a light source to diffuse and soften the light.

Uses: Creating flattering, soft light.

STOP | /stɒp/

Meaning: A unit of measurement for exposure, representing a doubling or halving of light.

Uses: Calculating exposure adjustments.

TEL-uh-foh-toh LENZ | /ˌtɛl.əˈfoʊ.toʊ lɛnz/

Meaning: A lens with a long focal length used to magnify distant subjects.

Uses: Sports, wildlife, and astrophotography.

TRY-pod | /ˈtraɪ.pɒd/

Meaning: A three-legged stand used to hold a camera perfectly still.

Uses: Preventing camera shake.

TYM-laps | /ˈtaɪm.læps/

Meaning: A video technique where photos are taken at set intervals and played back at a faster speed.

Uses: Showing slow motion quickly.

TILT SHIFT | /tɪlt ʃɪft/

Meaning: A specialized lens that allows the photographer to tilt the plane of focus, making large scenes look like tiny miniatures.

Uses: Architectural and miniature-effect photography.

un-dur-ik-SPOH-zhur | /ˌʌn.dər.ɪkˈspoʊ.ʒər/

Meaning: When a photo receives too little light, causing dark areas to lose detail and become pure black.

Uses: Describing a lighting error.

um-BREL-uh | /ʌmˈbrɛl.ə/

Meaning: A lighting modifier shaped like an umbrella that reflects or diffuses flash light.

Uses: Softening and spreading light.

YOO-VEE FIL-tur | /ˌjuːˈviː ˈfɪl.tər/

Meaning: A clear filter attached to the front of a lens to block ultraviolet light and protect the glass.

Uses: Protecting the lens element.

Fun Fact: UV filters were necessary for film photography to prevent haziness, but digital sensors don't need them; they are mostly used as protection now.

UL-truh-wyd LENZ | /ˈʌl.trə.waɪd lɛnz/

Meaning: A lens with a very short focal length, capturing an extremely wide field of view.

Uses: Real estate and landscape photography.

VYOO-fyn-dur | /ˈvjuːˌfaɪn.dər/

Meaning: The small window the photographer looks through to compose the photograph.

Uses: Framing the shot.

vin-YET | /vɪnˈjɛt/

Meaning: A darkening of the corners of an image, either caused by the lens or added in editing.

Uses: Drawing focus to the center of the photo.

VID-ee-oh LYT | /ˈvɪd.i.oʊ laɪt/

Meaning: A continuous LED panel used to illuminate a scene for video or photography.

Uses: Providing constant light.

VAIR-ee-uh-bul EN-DEE FIL-tur | /ˈvɛər.i.ə.bəl ˌɛnˈdiː ˈfɪl.tər/

Meaning: A neutral density filter that allows the photographer to rotate it to adjust the darkness level.

Uses: Adjusting exposure for video in bright light.

WYD-ANG-gul LENZ | /waɪdˈæŋ.ɡəl lɛnz/

Meaning: A lens with a short focal length that captures a wider field of view than the human eye.

Uses: Landscape and architecture photography.

WYT BAL-uns | /waɪt ˈbæl.əns/

Meaning: A camera setting that adjusts the colors to make white objects appear white under different lighting conditions.

Uses: Correcting color casts.

WYR-lis TRIG-ur | /ˈwaɪər.lɪs ˈtrɪg.ər/

Meaning: A radio device that fires an off-camera flash when the shutter button is pressed.

Uses: Firing off-camera flashes.

WET PLAYT | /wɛt pleɪt/

Meaning: An early 19th-century photographic process using glass plates coated with collodion.

Uses: Historical photography.

Fun Fact: Wet plate photographers had to carry a darkroom tent with them to develop the photo before the chemicals dried.

EKS-SINGK | /ˌɛksˈsɪŋk/

Meaning: The maximum shutter speed a camera can use with a standard electronic flash without causing a black bar.

Uses: Synchronizing flash.

ZEE-non FLASH | /ˈziː.nɒn flæʃ/

Meaning: A type of flash tube filled with xenon gas that produces an intense, brief burst of white light.

Uses: Standard camera flashes.

EKS-TRANS SEN-sur | /ˌɛksˈtræns ˈsɛn.sər/

Meaning: A proprietary sensor layout used by Fujifilm that arranges color pixels in a randomized pattern to reduce moiré.

Uses: Capturing high-detail images without an optical low-pass filter.

EKS-DEE KARD | /ˌɛksˈdiː kɑrd/

Meaning: An older, ultra-compact flash memory card format used primarily by Olympus and Fujifilm.

Uses: Storing digital photos.

YEL-oh FIL-tur | /ˈjɛl.oʊ ˈfɪl.tər/

Meaning: A filter used in black-and-white photography to darken blue skies and make clouds stand out.

Uses: Enhancing contrast in B&W film.

YONG-noo-oh | /ˈjɒŋ.nu.oʊ/

Meaning: A Chinese camera equipment brand famous for producing highly affordable clones of Canon and Nikon lenses and flashes.

Uses: Budget photography gear.

WY-SEE-SEE-AR | /ˌwaɪˌsiːˌsiːˈɑr/

Meaning: A color space that represents brightness (Y) and color difference (Cb, Cr), used heavily in JPEG compression.

Uses: Compressing digital images.

YEELD | /jiːld/

Meaning: The number of high-quality prints a photographer can expect to get from a set amount of ink or paper.

Uses: Calculating print costs.

ZOOM LENZ | /zuːm lɛnz/

Meaning: A lens with a variable focal length, allowing the photographer to magnify subjects without moving.

Uses: Versatile, all-in-one photography.

ZOHN SIS-tum | /zoʊn ˈsɪs.təm/

Meaning: A photographic technique for determining optimal film exposure and development, dividing tones from black to white into 10 zones.

Uses: Mastering film exposure.

Fun Fact: The Zone System was developed by famous landscape photographer Ansel Adams.

ZINGK PAY-pur | /zɪŋk ˈpeɪ.pər/

Meaning: Zero Ink photo paper that uses embedded heat-activated dye crystals to print images without liquid ink.

Uses: Instant smartphone photo printing.

ZIG-vyoo | /ˈzɪɡ.vjuː/

Meaning: An angled viewfinder attachment that allows the photographer to look down into the camera like an old twin-lens reflex.

Uses: Shooting from low angles.