M4 · Cinematography Basics
Phase 1 · Module 4
Cinematography Basics
Motion picture craft, camera movement vocabulary, and narrative sequences with the DJI RS5
Focus: Shutter angle, frame rates, and the fundamental grammar of motion picture image-making. These are not settings to fiddle with — they are core narrative decisions.
  • Shutter angle and the 180° rule — the physics of motion blurThe 180° rule states that for cinema-quality motion, your shutter speed should be double your frame rate: 25fps → 1/50s, 50fps → 1/100s. This creates a specific amount of motion blur that human perception reads as natural movement. Faster shutters freeze motion but create strobey, clinical footage. Slower shutters cause excessive smearing. The 1/50 shutter at 25fps is a specification, not a preference. Monitor the Neewer F700's waveform to confirm exposure after locking the shutter — with the shutter fixed, only aperture and NDs control brightness.
  • Frame rates and their emotional registers24fps (23.976) and 25fps are the standard cinematic frame rates — embedded deeply in audience psychology as the 'look of cinema.' 25fps is the Australian PAL broadcast standard. 30fps looks more like television. 50fps and 60fps are used for slow motion: shoot at 50fps to slow footage to 50% speed (played back at 25fps). 120fps enables 20% speed playback. Match your delivery frame rate to your production frame rate to avoid speed errors.
  • Camera movement vocabulary — the standard toolkitPan: horizontal rotation on a fixed axis. Tilt: vertical rotation. Dolly: physical movement toward or away from the subject. Truck: physical movement left-right parallel to the scene. Pedestal: vertical rise or descent. Orbit/arc: circling a stationary subject. Handheld: camera held by the operator, creating organic movement. Gimbal: physically moving with a stabilised rig — smooth movement that follows action.
  • Motivated vs unmotivated movementA motivated move is triggered by the action in the scene — the camera pans to follow a subject who walks across the room. An unmotivated move is imposed by the director for expressive purposes — a slow push in on a character's face during a moment of realisation. Both are valid, but unmotivated moves must be used with intention. If a move does not add meaning or emotion, it is distraction.
  • The zoom vs the dolly — different tools, different feelsA zoom changes focal length — perspective distortion changes. A dolly moves the camera physically — perspective remains the same but subject size changes. A dolly push feels intimate and physical — you are entering the subject's space. A zoom feels observational — you are looking harder from a distance. The dolly zoom (Vertigo effect) combines both in opposite directions, creating a deeply unsettling optical illusion.

Kit for this module

Sony FX30 (primary cinema cam)
Sony a6700 (handheld/doc)
DJI RS5 gimbal
Sigma 18-50mm f/2.8
Sony 20mm f/1.8 G
Neewer F700 7" monitor
DaVinci Resolve

Quick reference

180° shutter rule

25fps → 1/50s
50fps → 1/100s
60fps → 1/120s

Shot sizes

EWS → WS → MWS → MS → MCU → CU → ECU
Each step in = more emotional intimacy

Frame rates

25fps = cinema (PAL/AU)
50fps = 50% slow-mo
120fps = 20% slow-mo

RS5 operating tip

Bent knees, heel-to-toe walk, elbow at 90°, wrist relaxed. Your body is the primary stabiliser — the RS5 handles fine correction.

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M5 · Audio

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