Filmclusive Encyclopedia
Equipment and materials
Connected, practical references for the people, tools, documents, processes, and safety concepts used across screen and live production.
300 entries loaded
16 mm film
equipmentMotion-picture film approximately 16 millimetres wide, available with one or two perforated edges.
35 mm film
equipmentMotion-picture film approximately 35 millimetres wide, used in several camera and projection formats.
65 mm negative
equipmentA wide motion-picture camera negative format used for a large image area and high-resolution capture.
70 mm release print
equipmentA wide exhibition print format that adds space beyond a 65 mm camera negative for soundtrack or handling.
8 mm film
equipmentA family of narrow-gauge motion-picture formats using film approximately eight millimetres wide.
Anamorphic lens
equipmentA lens that compresses the horizontal image for capture and expands it during viewing or finishing.
Antenna distribution system
equipmentAn active or passive system that shares receive antennas among multiple compatible wireless receivers.
Apple box
equipmentA standardized wooden riser used to change an actor, camera, prop, furniture, or support height in repeatable increments. Full apples are commonly about 8 × 12 × 20 inches and can be placed in New York, Chicago, or Los Angeles orientations; they are not substitutes for rated access equipment or engineered support.
ARRI-style rosette
equipmentA toothed circular interface used to position and lock handgrips or camera accessories at repeatable angles.
Autopole
equipmentA telescoping compression pole used between suitable surfaces for lightweight backgrounds or accessories.
Baby pin
equipmentA nominal five-eighth-inch mounting pin used for compatible lighting and grip equipment.
Baby plate
equipmentA flat mounting plate with a 5/8-inch baby pin used to attach a small fixture or accessory to an approved surface.
Baby spot
equipmentTraditional set-lighting slang for a small Fresnel spotlight, commonly in the roughly 500-to-1,000-watt tungsten class.
Baby stand
equipmentA portable lighting stand ending in a baby pin for small and medium compatible fixtures.
Ball camera head
equipmentA support head that levels or positions a camera through a lockable ball-and-socket platform.
Ballast
equipmentA device that starts and regulates current for certain discharge or fluorescent lighting systems.
Barn doors
equipmentHinged metal leaves mounted at the front of a lighting fixture to limit spill and shape the beam.
Basso blocks
equipmentA compact modular riser system that provides apple-box-like height combinations while nesting for transport.
Beadboard
equipmentA lightweight textured board used to bounce a soft, broad source.
Beefy Baby stand
equipmentA heavier-duty steel baby stand with a 5/8-inch pin, designed for greater strength than a lightweight aluminum baby stand.
BFL
termInformal abbreviation for a very large, high-output lighting fixture; the expanded phrase is often vulgar and is not a technical model name.
Billy clip
equipmentSet slang for a locking plier or vise-grip fitted with flat plates for gripping scenic or rigging material.
Blackwrap
equipmentA heat-resistant black foil used to flag, mask, or shape light around a fixture or accessory.
Blimp windscreen
equipmentA rigid basket surrounding a microphone to create still air and reduce outdoor wind noise.
Blonde light
equipmentTraditional name for a 2,000-watt open-face tungsten fixture, especially an Italian-made design used for broad, hard output.
BNC cable
equipmentA bayonet-lock coaxial cable used for video, reference, timecode, and other production signals.
Bobbinet
equipmentA fine open mesh, commonly black, used in nets and overhead fabrics to reduce light with limited change to beam quality.
Body-mounted camera support
equipmentA vest-and-arm system that transfers handheld camera weight to an operator’s torso.
Book light
equipmentA bounced-and-diffused lighting arrangement that creates a large, soft source close to the subject.
Boom cradle
equipmentA support attached to a stand or cart that safely rests a boom pole between takes.
Boom pole
equipmentA telescoping pole used to position a microphone near performers while remaining outside the frame.
Bounce
equipmentA reflective surface used to redirect and enlarge a light source for softer illumination.
Boundary microphone
equipmentA microphone designed to operate on or near a large surface, reducing certain reflected-path cancellations.
Bridge plate
equipmentA rigid camera-bottom interface that provides standardized support and rod positions for professional accessories.
Broad light
equipmentA broad-beam open-face fixture or, contextually, a lighting direction that illuminates the side of a face turned toward camera.
Butterfly frame
equipmentA large collapsible frame used to hold a fabric modifier over or beside a subject.
C-stand
equipmentA three-legged grip stand with a column and arm for positioning flags, reflectors, and small fixtures.
C47
equipmentA wooden clothespin used to hold diffusion, gels, or small fabric pieces without transferring heat like metal can.
Cam-lock connector
equipmentA keyed single-pole power connector used in matched systems by qualified electrical crews.
Camera aperture plate
equipmentA precision opening at the film plane that defines the photographed image area.
Camera barney
equipmentA fitted padded camera cover used to reduce mechanical noise and sometimes help protect or warm a camera in cold conditions.
Camera baseplate
equipmentA mounting platform that connects a camera body to support, rods, or a quick-release system.
Camera body
equipmentThe imaging unit that records an image to film or a digital sensor and accepts lenses or accessories.
Camera body cap
equipmentA cover that closes an empty camera lens mount against dust and damage.
Camera cage
equipmentA fitted protective frame that adds threaded mounting points around a camera body.
Camera car mount
equipmentA purpose-built rig that secures a camera to a vehicle or vehicle-mounted platform for controlled moving photography.
Camera dolly
equipmentA wheeled platform or vehicle that moves a camera through a controlled path.
Camera heater
equipmentA controlled warming accessory used to reduce cold-related battery, lens, condensation, or mechanism problems.
Camera media card
equipmentRemovable storage media rated for a camera’s codec, data rate, capacity, and operating conditions.
Camera rain cover
equipmentA fitted weather-resistant cover that protects camera equipment while preserving needed operation and ventilation.
Camera return feed
equipmentAn audio or video signal sent back from a camera, recorder, switcher, or remote destination for confidence monitoring.
Camera roll
equipmentA uniquely identified roll of film exposed through a camera during production.
Camera slider
equipmentA short rail system that moves a camera smoothly along a linear path.
Camera stabilizer sled
equipmentA balanced post, stage, monitor, and battery assembly used for inertial camera stabilization.
Camera top handle
equipmentA camera-mounted handle used for controlled carrying and attachment of lightweight accessories.
Camera tripod
equipmentA three-legged support that stabilizes a camera for repeatable, controlled framing.
Cardellini clamp
equipmentA compact jaw clamp with a baby-pin mounting point used to secure small lighting, grip, camera, or accessory loads to suitable surfaces.
Cardioid microphone
equipmentA microphone with greatest sensitivity toward the front and reduced pickup toward the rear.
Century light
equipmentA historical spotlight name associated with Century Lighting equipment, distinct from a Century stand or C-stand.
Chain vise grip
equipmentA chain-jaw clamp used to wrap irregular or round members and provide a mounting point.
Changing bag
equipmentA light-tight fabric enclosure that lets film or photosensitive material be handled without a darkroom.
Changing tent
equipmentA framed light-tight enclosure offering more working volume than a changing bag for loading or repairs.
Charlie bar
equipmentA long narrow opaque strip or small rectangular flag, commonly fitted with a pin, used to cast a controlled shadow or break up a beam.
Checksum drive
equipmentA designated storage device used in a verified camera-media copy and backup workflow.
Cheeseborough clamp
equipmentA scaffold-style coupler used to join compatible pipes at fixed or swiveling angles.
Cherry picker
equipmentInformal name for a mobile elevating work platform with a boom and personnel basket used to reach elevated work positions.
Chicago position
termThe commonly used name for placing a full apple on its long narrow side, roughly 12 inches high; some crews use other regional names.
Chicken coop light
equipmentA broad overhead soft-light box traditionally built with multiple lamps—often six—arranged to wash a set from above.
China ball
equipmentA paper lantern used as a lightweight omnidirectional soft source when safely rigged.
Combo stand
equipmentA heavy-duty stand with interchangeable junior and baby receivers for lighting and grip equipment.
Condenser microphone
equipmentA microphone whose diaphragm and charged backplate form a sound-sensitive capacitor that converts acoustic vibration into an electrical signal.
Condenser microphone backplate
equipmentThe rigid conductive plate positioned close to a condenser microphone diaphragm to form a variable capacitor.
Condor
equipmentFilm-set slang for a telescopic or articulating boom lift used to elevate lighting, diffusion, rigging access, or personnel.
Contact microphone
equipmentA transducer that captures vibration through direct contact with an object or surface.
Contrast viewing glass
equipmentA dark monocular viewing filter used to evaluate relative lighting contrast and source direction without continuously viewing the full scene brightness.
Core load
equipmentMotion-picture film wound on a hub without the protective flanges of a daylight spool.
Crab dolly
equipmentA steerable camera dolly capable of moving laterally or diagonally as well as forward and backward without relying solely on straight track.
Crank stand
equipmentA stand using a geared handle or winch to elevate heavy lighting, frame, or speaker loads.
CTB gel
equipmentColor-temperature-blue correction media used to cool the visible output of a light source.
CTO gel
equipmentColor-temperature-orange correction media used to warm the visible output of a light source.
Cucoloris
equipmentAn irregular patterned screen placed in a light path to cast broken shadows and create texture on a subject or background.
Cutter
equipmentA large flag used to remove a controlled portion of light from a set or lens.
Cyclorama
equipmentA large seamless curved background that removes the visible floor-to-wall corner and creates an apparently continuous field.
Daylight load
equipmentFilm supplied on a spool designed for loading in subdued light under the stock maker’s instructions.
Daylight spool
equipmentA flanged film spool designed to limit edge exposure during subdued-light loading and unloading of compatible formats.
Diffusion
equipmentA translucent material that scatters light, reducing contrast and softening the apparent source.
Dimmer
equipmentA controller that varies fixture power or output within the fixture and electrical system’s rated limits.
Diopter
equipmentA close-focus optical attachment that reduces the minimum focusing distance of a lens.
Directional RF antenna
equipmentAn antenna designed to favor radio-frequency reception or transmission in selected directions.
Director’s monitor
equipmentA production display provided for creative review of framing, performance, continuity, and takes.
Distro box
equipmentA portable power-distribution unit that divides a feeder into protected branch circuits.
Dovetail plate
equipmentA tapered sliding plate that lets a camera assembly mount, balance, and release from compatible support.
Duckbill clamp
equipmentA wide, flat-jawed clamp used to hold foam board, beadboard, or similar sheet material.
Dutch head
equipmentA camera support head providing controlled roll-axis movement for canted framing.
Duvetyne
equipmentA light-absorbing fabric used for flags, masking, and negative fill.
Dynamic microphone
equipmentA microphone using electromagnetic induction, commonly valued for robustness and high-level handling.
Edge number
equipmentHuman- or machine-readable identification printed along film edges to locate stock and footage.
EF lens mount
equipmentCanon’s electronic bayonet lens interface, used on still and some cinema camera systems.
Eggcrate grid
equipmentA fabric or rigid cellular modifier that limits the spread of a soft source.
Eighth apple
equipmentA thin apple-box riser, commonly about 1 inch high, used to make a small controlled height correction.
Electret condenser microphone
equipmentA condenser microphone whose capsule uses permanently charged electret material rather than requiring external polarization voltage.
Electrical tape
equipmentA flexible insulating tape intended for electrical conductors and connections; it is not a substitute for gaffer tape.
Electronic viewfinder
equipmentA camera-mounted electronic display used by the operator for framing, focus, exposure, and status.
Elephant blocks
equipmentA three-legged modular riser system designed to provide stable incremental height changes in a smaller package than traditional apples.
Ellipsoidal reflector spotlight
equipmentA hard-beam fixture with shutters and an accessory plane for precise theatrical control.
Extension tube
equipmentA non-optical spacer that increases lens-to-sensor distance for closer focusing.
False color
equipmentA monitoring overlay that assigns colors to measured exposure ranges for rapid image evaluation.
Feed spool
equipmentThe reel supplying unexposed or source film into a camera or transport.
Field mixer
equipmentA portable audio console used to combine, route, monitor, and control production-sound inputs.
Figure-eight microphone
equipmentA bidirectional microphone pattern sensitive at front and rear with strong side nulls.
Film can
equipmentA protective container used to store and transport wound motion-picture film.
Film cleaner
equipmentA machine, fluid, or approved process used to remove dust, oils, and debris from motion-picture film.
Film core
equipmentA flangeless hub around which professional motion-picture film is wound for storage or handling.
Film emulsion
equipmentThe light-sensitive coating on photographic film containing image-forming materials in gelatin layers.
Film gate
equipmentThe camera or projector aperture assembly that holds film flat at the image plane.
Film leader
equipmentNon-picture or expendable film attached to protect, thread, identify, or cue a motion-picture element.
Film light trap
equipmentA labyrinth or velvet-lined seal that blocks light at a film magazine or camera opening.
Film loop
equipmentA measured slack section that isolates intermittent camera or projector motion from continuous feed and take-up.
Film magazine
equipmentA light-tight camera assembly that holds supply and take-up film while guiding it through the transport path.
Film magazine throat
equipmentThe light-sealed passage where film enters and leaves a detachable camera magazine.
Film perforation
equipmentA regularly spaced hole along motion-picture film used for transport and image registration.
Film splicer
equipmentA precision device used to join film with tape, cement, or another format-appropriate splice.
Film stock
equipmentPhotographic motion-picture film selected by format, emulsion characteristics, speed, contrast, and intended finish.
Film synchronizer
equipmentA geared bench device that keeps picture and sound rolls in measured frame relationship during film editing.
Film winding
equipmentThe emulsion-in or emulsion-out orientation of film on a spool or core.
Filter tray
equipmentA removable holder that positions a rectangular optical filter in a matte box.
Fixture safety chain
equipmentA rated secondary attachment intended to retain compatible equipment if its primary clamp fails.
Flag
equipmentAn opaque fabric or board used to block, shape, or subtract light from a scene.
Flange focal distance
equipmentThe specified distance from a lens-mount reference surface to the image plane.
Fluid head
equipmentA pan-and-tilt camera head that uses drag control for smooth movement.
Foamcore
equipmentA lightweight rigid board used for bounce, negative fill, blocking, and temporary set protection.
Focus peaking
equipmentA display aid that highlights edges judged to have high local contrast and likely sharpness.
Follow focus
equipmentA geared control that lets an operator or focus puller make repeatable lens-focus adjustments.
Followspot fixture
equipmentA high-output manually operated fixture designed to track a performer through a venue.
Frame diffusion
equipmentDiffusion fabric stretched in a frame to soften or enlarge a light source.
Fresnel lens
equipmentA stepped lens that gathers and focuses light into a controllable beam, common in theatrical and film fixtures.
Full apple
equipmentThe standard full-size apple box, commonly about 8 × 12 × 20 inches, used alone or as the modular base for smaller apples.
Furniture clamp
equipmentA long bar clamp adapted in grip work to span scenery or furniture and carry a small accessory.
Furry windscreen
equipmentA synthetic-fur cover that dissipates wind turbulence around a microphone or basket.
Gaffer tape
equipmentA cloth-backed, hand-tearable tape used for temporary, residue-conscious fastening and labeling on set.
Geared camera head
equipmentA camera support head whose handwheels drive precise pan and tilt gearing.
Gel frame
equipmentA metal frame that holds color, diffusion, or heat-resistant media in a fixture accessory slot.
Gel roll
equipmentA roll of lighting filter material cut into sheets for fixtures, windows, or frames.
Global shutter
equipmentAn image-sensor readout in which the frame’s photosites represent substantially the same exposure interval.
Gobo
equipmentA pattern, flag, or cutter placed in a light path to shape, block, or texture illumination.
Gobo arm
equipmentA grip arm with a pin and grip head used to position flags, nets, and small accessories.
Graduated filter
equipmentA filter transitioning from clear to treated density or color across the frame.
Grid clamp
equipmentA rated clamp used to attach compatible entertainment equipment to studio-grid pipe or members.
Grip boom arm
equipmentA counterbalanced or extended arm used to position a light or accessory away from its stand.
Grip head
equipmentA rotating clamping head with plates and holes used to hold arms, pins, frames, or flags.
Half apple
equipmentA half-height apple box, commonly about 4 inches high, used when a full apple would raise a person or object too far.
Hanger clamp
equipmentA lighting clamp designed to suspend a fixture from compatible overhead pipe or battens.
Headphone amplifier
equipmentA device that provides one or more controlled monitoring feeds to headphones or earpieces.
Heat-shield gel
equipmentClear or lightly tinted media designed to reduce infrared heat reaching subsequent filters or subjects.
Helical antenna
equipmentA directional, often circularly polarized antenna used in some wireless audio links.
Hi-hat
equipmentA low camera support that places a camera close to the ground or a platform.
HMI fixture
equipmentA daylight-balanced, high-intensity discharge light used when a production needs substantial output.
Hypercardioid microphone
equipmentA highly directional microphone pattern with tighter side rejection and a larger rear lobe than supercardioid.
IFB receiver
equipmentA wired or wireless receiver supplying interruptible foldback, program, cues, or talkback to a listener.
IFB transmitter
equipmentA radio transmitter distributing program audio and cues to interruptible foldback receivers.
Interference tube
equipmentThe slotted acoustic tube on a shotgun microphone that increases directionality at higher frequencies.
Iris motor
equipmentA lens motor assigned to adjust aperture remotely during a shot or exposure transition.
IRND filter
equipmentA neutral-density filter engineered to reduce visible and infrared energy together.
Junior pin
equipmentA nominal one-and-one-eighth-inch pin used with matching junior receivers for heavier fixtures and grip equipment.
Junior receiver
equipmentA cup-like one-and-one-eighth-inch mount that accepts compatible junior pins or stand spuds.
Junior stand
equipmentA heavy lighting stand fitted with a junior receiver for compatible fixtures and grip equipment.
KEYKODE
equipmentKodak’s machine-readable edge-number system identifying motion-picture negative footage and frames.
Lab roll
equipmentA laboratory assembly combining one or more camera rolls for processing or downstream handling.
Lantern soft light
equipmentA spherical or near-spherical modifier that emits broad, even light around a fixture.
Lavalier microphone
equipmentA small wearable microphone attached to clothing, hair, costume, or a concealed mount.
LED Fresnel
equipmentAn LED fixture with a Fresnel lens or optical system for controllable spot-to-flood output.
LED panel
equipmentA solid-state fixture with an array of LEDs that provides efficient, controllable illumination.
LED PAR
equipmentA compact LED PAR fixture that produces a directional beam with adjustable color or intensity.
LED tube
equipmentA linear LED fixture that can provide soft, directional, or pixel-controlled light in tight spaces.
Lens breathing
termA visible change in image magnification or framing as a lens changes focus.
Lens cap
equipmentA removable cover protecting a lens’s exposed optical surface during storage or handling.
Lens cleaning kit
equipmentA controlled set of tools and fluids used to remove dust, oil, and marks from optics.
Lens control unit
equipmentA wired or wireless controller for focus, iris, zoom, camera run, and compatible camera functions.
Lens filter
equipmentA glass or optical element placed in front of or behind a lens to alter light or image response.
Lens hood
equipmentA front-mounted shade that reduces stray light reaching a lens.
Lens mapping
equipmentCalibration data that relates a lens ring or motor position to marked focus, iris, or zoom values.
Lens motor
equipmentA geared motor that remotely drives focus, iris, or zoom on a compatible cinema lens.
Lens mount
equipmentThe mechanical and optical interface that locates a lens on a camera body.
Lens mount adapter
equipmentA precision interface that permits a lens made for one mount to attach to another.
Lens rod
equipmentA standardized support rod used to align matte boxes, lens motors, supports, and other camera accessories.
Lens support
equipmentA bracket that carries heavy or long lenses from camera rods to reduce stress on the lens mount.
Leveling leg
equipmentAn adjustable support leg that compensates for uneven floors or terrain on stands and platforms.
Light meter
equipmentAn instrument that measures incident or reflected light to support exposure and lighting decisions.
Lighting bar
equipmentA horizontal pipe or structural bar from which lighting fixtures or accessories may be suspended in a studio or venue.
Lighting C-clamp
equipmentA screw clamp with a fixture attachment used on suitable pipe or structural members.
Lighting gel
equipmentA heat-tolerant sheet used to alter a luminaire’s color or intensity.
Lighting louver
equipmentA directional cell or vane assembly that reduces high-angle spill from a broad light source.
Loop former
equipmentA camera mechanism or guide that establishes the required slack loops around an intermittent film movement.
Los Angeles position
termThe commonly used name for placing a full apple flat in its lowest and broadest orientation, roughly 8 inches high.
Low-boy stand
equipmentA short heavy-duty stand that positions junior-mounted fixtures or equipment near floor level.
LPL mount
equipmentA large-diameter ARRI lens mount designed for modern large-format cinema lenses and metadata contacts.
Macro lens
equipmentA lens designed to focus closely and reproduce small subjects at relatively high magnification.
Mafer clamp
equipmentA compact padded jaw clamp with a receiver used to mount lightweight production accessories.
Matte box
equipmentA camera-front accessory that shades the lens and holds filters in a controlled position.
Menace arm
equipmentA cantilevered rig that projects a fixture or modifier horizontally from a supported stand or structure.
Microphone diaphragm
equipmentA thin membrane in a microphone element that moves in response to changes in sound pressure.
Microphone maximum SPL
termThe highest specified sound-pressure level a microphone can accept before exceeding a stated distortion limit.
Microphone self-noise
termThe equivalent acoustic noise level produced by a microphone and its internal electronics when no intended sound is present.
Microphone shock mount
equipmentAn elastic or engineered suspension that reduces vibration transmitted from a boom, stand, or camera.
Microphone transducer
termThe microphone element that converts acoustic energy into a corresponding electrical signal.
Minus green gel
equipmentMagenta color-correction media used to reduce a green cast in a light source.
Mirror board
equipmentA reflective board used when a production needs a more specular bounce than foam or fabric provides.
Monitor hood
equipmentA shade surrounding a display to reduce ambient light and reflections during viewing.
Monopod
equipmentA single-legged camera support that reduces carried weight while retaining mobility.
Multitrack field recorder
equipmentA portable recorder that captures multiple isolated and mixed production-audio channels with metadata and timecode.
Muslin
equipmentA woven fabric used as diffusion, bounce, backdrop, or scenic material depending on its finish.
NATO rail
equipmentA compact dovetail-style accessory rail used for sliding and locking compatible camera attachments.
Negative fill
equipmentAn opaque surface placed near a subject to reduce ambient bounce and deepen contrast.
Neutral-density filter
equipmentAn optical filter intended to reduce exposure without materially changing color.
Neutral-density gel
equipmentLighting media intended to reduce output without substantially shifting color.
New York position
termThe commonly used name for placing a full apple in its tallest orientation, roughly 20 inches high; regional terminology can vary.
Omnidirectional microphone
equipmentA microphone designed to respond approximately equally to sound from all directions.
On-set monitor
equipmentA calibrated or production display used to evaluate framing, focus, exposure, and image continuity.
Onboard monitor
equipmentA compact display mounted on the camera for operating, focus, exposure, or configuration feedback.
Open-face fixture
equipmentA reflector-based light without a lens, producing a broad, hard output that can be modified with diffusion.
Optical low-pass filter
equipmentA sensor-front optical element used to reduce aliasing and moiré before image sampling.
Overhead frame
equipmentA suspended or supported frame that holds diffusion, bounce, or negative fill above a scene.
PAR can
equipmentA compact parabolic-aluminized-reflector fixture that produces a directional beam for stage or location lighting.
Pipe clamp
equipmentA clamp shaped to attach a fixture or accessory to pipe of a specified diameter.
Pipe grid
equipmentAn overhead network of structural pipe used as approved mounting positions for studio equipment.
PL mount
equipmentARRI’s positive-locking cinema lens mount, widely used with professional motion-picture lenses.
Plant microphone
equipmentA microphone hidden or placed within scenery, props, vehicles, or the set to cover a defined action area.
Plus green gel
equipmentColor-correction media that adds green to better match selected discharge or fluorescent sources.
Polarizing filter
equipmentA rotatable optical filter used to manage polarized reflections, glare, and sky saturation.
Pony clamp
equipmentA spring-loaded hand clamp commonly used for lightweight grip and temporary holding tasks.
Pressure plate
equipmentA camera or transport component that supports film against the gate for stable positioning.
Prime lens
equipmentA lens with one fixed focal length, often chosen for its speed, rendering, or compact design.
Probe lens
equipmentA long, narrow optical system used to place the front element in confined or miniature environments.
Production earpiece
equipmentA low-profile personal transducer used to hear cues, program, or communications.
Pull-down claw
equipmentA mechanism that advances perforated film by one or more frame pitches between exposures.
Quarter apple
equipmentA quarter-height apple box, commonly about 2 inches high, used for small camera, prop, furniture, or eyeline adjustments.
Rackover camera
equipmentA film-camera design that moves the camera body between viewing and photographing positions on a fixed base.
Rain deflector
equipmentA spinning or otherwise protected optical device mounted before a lens to keep water from obscuring the image.
Rear lens cap
equipmentA fitted cover protecting a detached lens’s rear element and mount.
Recan film
equipmentUnexposed film removed from original packaging and returned to a light-tight can for possible reuse.
Reflex viewfinder
equipmentAn optical viewing system that diverts lens-forming light to the camera operator during part of the shutter cycle.
Registration pin
equipmentA precision pin engaging a film perforation to stabilize frame position during exposure or printing.
Rem-jet backing
equipmentA removable backing on certain motion-picture stocks that provides antihalation, lubrication, and static protection.
Remote camera head
equipmentA powered pan-and-tilt head operated away from the mounted camera.
Remote focus handset
equipmentA handheld controller used by an assistant to operate mapped lens motors away from the camera.
Rewind bench
equipmentA pair of hand rewinds and supports used to inspect, wind, measure, or prepare film on reels.
RF scanner
equipmentAn instrument or receiver function used to observe radio-frequency activity across a selected band.
RF splitter
equipmentA device that divides a radio-frequency signal among multiple destinations with known loss or gain.
Ribbon microphone
equipmentA velocity microphone whose thin conductive ribbon moves within a magnetic field.
Ripstop
equipmentA reinforced fabric whose grid construction helps limit tears in flags, silks, and scenic elements.
Rocky Mountain leg
equipmentAn independently adjustable stand leg used to level support on stairs, curbs, or uneven terrain.
Roller stand
equipmentA wheeled lighting or grip stand intended for controlled repositioning on suitable level floors.
Rolling shutter
equipmentAn image-sensor readout that exposes or reads different rows at slightly different times.
Sandbag
equipmentA weighted bag placed on stands, cables, or temporary structures to reduce movement and tip risk.
Sash cord
equipmentBraided cord commonly used for tying textiles, securing lightweight expendables, and other non-life-safety grip tasks.
Scoop light
equipmentA lensless floodlight with a lamp in a broad ellipsoidal or paraboloidal reflector, producing a wide soft-edged field.
Scrim
equipmentA partially transparent material used to reduce or reshape light while preserving its direction.
Scrim set
equipmentA fitted group of wire screens that reduces a conventional fixture’s output without changing beam shape substantially.
SDI cable
equipmentA coaxial cable assembly used to carry serial digital video over a specified distance and data rate.
Short end
equipmentUnexposed film remaining from a previously opened roll and retained for later use.
Shotgun microphone
equipmentA highly directional interference-tube microphone used to emphasize sound arriving along its axis.
Shoulder rig
equipmentA camera support configured to distribute operating weight across the shoulder and hands.
Shutter angle
equipmentA motion-picture exposure setting expressing exposure time as an angular fraction of each frame interval.
Slate
equipmentA board or electronic device that identifies a shot and helps synchronize picture and sound.
Slider stand
equipmentA low or wide stand designed to support the ends or center of a camera slider.
Snoot
equipmentA tube or cone fitted to a luminaire to narrow spill and reduce off-axis light.
Socapex cable
equipmentA multicore cable assembly commonly used to carry several lighting circuits between dimmers and fixtures.
Softbox
equipmentA fabric modifier with diffusion material that enlarges an apparent light source and softens shadows.
Sound bag
equipmentA wearable equipment bag organizing a field mixer, recorder, receivers, batteries, and cabling.
Sound cart
equipmentA mobile workstation carrying production sound recorders, mixers, receivers, power, and monitoring.
Space light
equipmentA cylindrical multi-lamp fixture designed to provide broad ambient illumination over a stage or location.
Speed rail
equipmentAluminum pipe in standard outside diameters used with purpose-built fittings for temporary camera and grip structures.
Split reel
equipmentA two-part flanged reel that opens so core-wound film can be mounted for handling or projection preparation.
Stinger
equipmentSet slang for a portable extension cord used to bring power to a temporary production position.
Suction-cup mount
equipmentA vacuum attachment used to mount lightweight camera or rigging accessories to suitable smooth surfaces.
Super 16
equipmentA 16 mm camera format that expands the image area toward one edge for a wider frame.
Super 8
equipmentAn 8 mm motion-picture format with smaller perforations and a larger image area than Regular 8.
Super clamp
equipmentA compact jaw clamp that accepts pins or studs for mounting small fixtures and accessories.
Supercardioid microphone
equipmentA directional microphone pattern narrower than cardioid with a small rear sensitivity lobe.
TA4F connector
equipmentA four-contact miniature female connector used on many wireless microphone bodypack cables.
Take-up spool
equipmentThe reel or core that receives film after it passes through a camera or transport.
Teleconverter
equipmentAn optical adapter that increases a lens’s effective focal length while reducing transmitted light.
Three-axis gimbal
equipmentA motorized camera support that stabilizes roll, tilt, and pan axes.
Tilt-shift lens
equipmentA lens that shifts or tilts its optical axis to alter framing, perspective, or the plane of focus.
Timecode box
equipmentA device that generates or distributes synchronized timecode to cameras and sound equipment.
Timecode slate
equipmentAn electronic slate displaying timecode while providing a visible and audible synchronization mark.
Tone generator
equipmentA device or built-in function producing a known audio signal for alignment, identification, and troubleshooting.
TRS connector
equipmentA tip-ring-sleeve phone connector used for balanced mono, unbalanced stereo, or control wiring.
Tungsten fixture
equipmentA hot-filament fixture with a warm native color temperature and predictable dimming behavior.
Turtle base
equipmentA removable C-stand base that lets the riser separate for transport or low mounting.
Ultrabounce
equipmentA large reflective fabric used to redirect sunlight or fixture output into a broad source.
Underwater camera housing
equipmentA pressure-rated enclosure that lets a camera and lens operate below water.
Vectorscope
equipmentA scope that plots color direction and saturation to evaluate chroma balance and signal limits.
Wall spreader
equipmentAn adjustable beam system braced between structural surfaces to support approved lightweight production equipment.
Waveform monitor
equipmentA video scope that graphs signal level against horizontal image position to assess exposure and legality.
Wind-up stand
equipmentA geared crank stand that raises compatible fixtures or support bars under controlled mechanical advantage.
Wire scrim
equipmentA metal mesh placed in a compatible fixture to reduce all or part of its light output.
Wireless follow focus
equipmentA remote motor and controller system for repeatable lens-focus or iris adjustments.
Wireless microphone receiver
equipmentA device that selects, demodulates, and outputs audio from a compatible wireless transmitter.
Wireless microphone transmitter
equipmentA bodypack or plug-on device that modulates microphone audio onto an assigned radio-frequency carrier.