Filmclusive Encyclopedia
Equipment
Film production roles, equipment, workflows, and terms.
Lens mapping
Calibration data that relates a lens ring or motor position to marked focus, iris, or zoom values.
Lens motor
A geared motor that remotely drives focus, iris, or zoom on a compatible cinema lens.
Lens mount
The mechanical and optical interface that locates a lens on a camera body.
Lens mount adapter
A precision interface that permits a lens made for one mount to attach to another.
Lens rod
A standardized support rod used to align matte boxes, lens motors, supports, and other camera accessories.
Lens support
A bracket that carries heavy or long lenses from camera rods to reduce stress on the lens mount.
Leveling leg
An adjustable support leg that compensates for uneven floors or terrain on stands and platforms.
Light meter
An instrument that measures incident or reflected light to support exposure and lighting decisions.
Lighting bar
A horizontal pipe or structural bar from which lighting fixtures or accessories may be suspended in a studio or venue.
Lighting C-clamp
A screw clamp with a fixture attachment used on suitable pipe or structural members.
Lighting gel
A heat-tolerant sheet used to alter a luminaire’s color or intensity.
Lighting louver
A directional cell or vane assembly that reduces high-angle spill from a broad light source.
Loop former
A camera mechanism or guide that establishes the required slack loops around an intermittent film movement.
Los Angeles position
The commonly used name for placing a full apple flat in its lowest and broadest orientation, roughly 8 inches high.
Low-boy stand
A short heavy-duty stand that positions junior-mounted fixtures or equipment near floor level.
LPL mount
A large-diameter ARRI lens mount designed for modern large-format cinema lenses and metadata contacts.
Macro lens
A lens designed to focus closely and reproduce small subjects at relatively high magnification.
Mafer clamp
A compact padded jaw clamp with a receiver used to mount lightweight production accessories.
Matte box
A camera-front accessory that shades the lens and holds filters in a controlled position.
Menace arm
A cantilevered rig that projects a fixture or modifier horizontally from a supported stand or structure.
Microphone diaphragm
A thin membrane in a microphone element that moves in response to changes in sound pressure.
Microphone maximum SPL
The highest specified sound-pressure level a microphone can accept before exceeding a stated distortion limit.
Microphone self-noise
The equivalent acoustic noise level produced by a microphone and its internal electronics when no intended sound is present.
Microphone shock mount
An elastic or engineered suspension that reduces vibration transmitted from a boom, stand, or camera.
Microphone transducer
The microphone element that converts acoustic energy into a corresponding electrical signal.
Minus green gel
Magenta color-correction media used to reduce a green cast in a light source.
Mirror board
A reflective board used when a production needs a more specular bounce than foam or fabric provides.
Monitor hood
A shade surrounding a display to reduce ambient light and reflections during viewing.
Monopod
A single-legged camera support that reduces carried weight while retaining mobility.
Multitrack field recorder
A portable recorder that captures multiple isolated and mixed production-audio channels with metadata and timecode.
Muslin
A woven fabric used as diffusion, bounce, backdrop, or scenic material depending on its finish.
NATO rail
A compact dovetail-style accessory rail used for sliding and locking compatible camera attachments.
Negative fill
An opaque surface placed near a subject to reduce ambient bounce and deepen contrast.
Neutral-density filter
An optical filter intended to reduce exposure without materially changing color.
Neutral-density gel
Lighting media intended to reduce output without substantially shifting color.
New York position
The commonly used name for placing a full apple in its tallest orientation, roughly 20 inches high; regional terminology can vary.
Omnidirectional microphone
A microphone designed to respond approximately equally to sound from all directions.
On-set monitor
A calibrated or production display used to evaluate framing, focus, exposure, and image continuity.
Onboard monitor
A compact display mounted on the camera for operating, focus, exposure, or configuration feedback.
Open-face fixture
A reflector-based light without a lens, producing a broad, hard output that can be modified with diffusion.
Optical low-pass filter
A sensor-front optical element used to reduce aliasing and moiré before image sampling.
Overhead frame
A suspended or supported frame that holds diffusion, bounce, or negative fill above a scene.
PAR can
A compact parabolic-aluminized-reflector fixture that produces a directional beam for stage or location lighting.
Pipe clamp
A clamp shaped to attach a fixture or accessory to pipe of a specified diameter.
Pipe grid
An overhead network of structural pipe used as approved mounting positions for studio equipment.
PL mount
ARRI’s positive-locking cinema lens mount, widely used with professional motion-picture lenses.
Plant microphone
A microphone hidden or placed within scenery, props, vehicles, or the set to cover a defined action area.
Plus green gel
Color-correction media that adds green to better match selected discharge or fluorescent sources.
Polarizing filter
A rotatable optical filter used to manage polarized reflections, glare, and sky saturation.
Pony clamp
A spring-loaded hand clamp commonly used for lightweight grip and temporary holding tasks.
Pressure plate
A camera or transport component that supports film against the gate for stable positioning.
Prime lens
A lens with one fixed focal length, often chosen for its speed, rendering, or compact design.
Probe lens
A long, narrow optical system used to place the front element in confined or miniature environments.
Production earpiece
A low-profile personal transducer used to hear cues, program, or communications.
Pull-down claw
A mechanism that advances perforated film by one or more frame pitches between exposures.
Quarter apple
A quarter-height apple box, commonly about 2 inches high, used for small camera, prop, furniture, or eyeline adjustments.
Rackover camera
A film-camera design that moves the camera body between viewing and photographing positions on a fixed base.
Rain deflector
A spinning or otherwise protected optical device mounted before a lens to keep water from obscuring the image.
Rear lens cap
A fitted cover protecting a detached lens’s rear element and mount.
Recan film
Unexposed film removed from original packaging and returned to a light-tight can for possible reuse.
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