Filmclusive Encyclopedia
Equipment
Film production roles, equipment, workflows, and terms.
Film perforation
A regularly spaced hole along motion-picture film used for transport and image registration.
Film splicer
A precision device used to join film with tape, cement, or another format-appropriate splice.
Film stock
Photographic motion-picture film selected by format, emulsion characteristics, speed, contrast, and intended finish.
Film synchronizer
A geared bench device that keeps picture and sound rolls in measured frame relationship during film editing.
Film winding
The emulsion-in or emulsion-out orientation of film on a spool or core.
Filter tray
A removable holder that positions a rectangular optical filter in a matte box.
Fixture safety chain
A rated secondary attachment intended to retain compatible equipment if its primary clamp fails.
Flag
An opaque fabric or board used to block, shape, or subtract light from a scene.
Flange focal distance
The specified distance from a lens-mount reference surface to the image plane.
Fluid head
A pan-and-tilt camera head that uses drag control for smooth movement.
Foamcore
A lightweight rigid board used for bounce, negative fill, blocking, and temporary set protection.
Focus peaking
A display aid that highlights edges judged to have high local contrast and likely sharpness.
Follow focus
A geared control that lets an operator or focus puller make repeatable lens-focus adjustments.
Followspot fixture
A high-output manually operated fixture designed to track a performer through a venue.
Frame diffusion
Diffusion fabric stretched in a frame to soften or enlarge a light source.
Fresnel lens
A stepped lens that gathers and focuses light into a controllable beam, common in theatrical and film fixtures.
Full apple
The standard full-size apple box, commonly about 8 × 12 × 20 inches, used alone or as the modular base for smaller apples.
Furniture clamp
A long bar clamp adapted in grip work to span scenery or furniture and carry a small accessory.
Furry windscreen
A synthetic-fur cover that dissipates wind turbulence around a microphone or basket.
Gaffer tape
A cloth-backed, hand-tearable tape used for temporary, residue-conscious fastening and labeling on set.
Geared camera head
A camera support head whose handwheels drive precise pan and tilt gearing.
Gel frame
A metal frame that holds color, diffusion, or heat-resistant media in a fixture accessory slot.
Gel roll
A roll of lighting filter material cut into sheets for fixtures, windows, or frames.
Global shutter
An image-sensor readout in which the frame’s photosites represent substantially the same exposure interval.
Gobo
A pattern, flag, or cutter placed in a light path to shape, block, or texture illumination.
Gobo arm
A grip arm with a pin and grip head used to position flags, nets, and small accessories.
Graduated filter
A filter transitioning from clear to treated density or color across the frame.
Grid clamp
A rated clamp used to attach compatible entertainment equipment to studio-grid pipe or members.
Grip boom arm
A counterbalanced or extended arm used to position a light or accessory away from its stand.
Grip head
A rotating clamping head with plates and holes used to hold arms, pins, frames, or flags.
Half apple
A half-height apple box, commonly about 4 inches high, used when a full apple would raise a person or object too far.
Hanger clamp
A lighting clamp designed to suspend a fixture from compatible overhead pipe or battens.
Headphone amplifier
A device that provides one or more controlled monitoring feeds to headphones or earpieces.
Heat-shield gel
Clear or lightly tinted media designed to reduce infrared heat reaching subsequent filters or subjects.
Helical antenna
A directional, often circularly polarized antenna used in some wireless audio links.
Hi-hat
A low camera support that places a camera close to the ground or a platform.
HMI fixture
A daylight-balanced, high-intensity discharge light used when a production needs substantial output.
Hypercardioid microphone
A highly directional microphone pattern with tighter side rejection and a larger rear lobe than supercardioid.
IFB receiver
A wired or wireless receiver supplying interruptible foldback, program, cues, or talkback to a listener.
IFB transmitter
A radio transmitter distributing program audio and cues to interruptible foldback receivers.
Interference tube
The slotted acoustic tube on a shotgun microphone that increases directionality at higher frequencies.
Iris motor
A lens motor assigned to adjust aperture remotely during a shot or exposure transition.
IRND filter
A neutral-density filter engineered to reduce visible and infrared energy together.
Junior pin
A nominal one-and-one-eighth-inch pin used with matching junior receivers for heavier fixtures and grip equipment.
Junior receiver
A cup-like one-and-one-eighth-inch mount that accepts compatible junior pins or stand spuds.
Junior stand
A heavy lighting stand fitted with a junior receiver for compatible fixtures and grip equipment.
KEYKODE
Kodak’s machine-readable edge-number system identifying motion-picture negative footage and frames.
Lab roll
A laboratory assembly combining one or more camera rolls for processing or downstream handling.
Lantern soft light
A spherical or near-spherical modifier that emits broad, even light around a fixture.
Lavalier microphone
A small wearable microphone attached to clothing, hair, costume, or a concealed mount.
LED Fresnel
An LED fixture with a Fresnel lens or optical system for controllable spot-to-flood output.
LED panel
A solid-state fixture with an array of LEDs that provides efficient, controllable illumination.
LED PAR
A compact LED PAR fixture that produces a directional beam with adjustable color or intensity.
LED tube
A linear LED fixture that can provide soft, directional, or pixel-controlled light in tight spaces.
Lens breathing
A visible change in image magnification or framing as a lens changes focus.
Lens cap
A removable cover protecting a lens’s exposed optical surface during storage or handling.
Lens cleaning kit
A controlled set of tools and fluids used to remove dust, oil, and marks from optics.
Lens control unit
A wired or wireless controller for focus, iris, zoom, camera run, and compatible camera functions.
Lens filter
A glass or optical element placed in front of or behind a lens to alter light or image response.
Lens hood
A front-mounted shade that reduces stray light reaching a lens.
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