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Fundamentals of Cinematic Lighting Techniques

Jan 7, 2025

The Shot List: Cinematic Lighting Part 1

Introduction

  • Films consist of sequences, scenes, and shots.
  • This episode focuses on lighting fundamentals, part 1 of 2.
  • Importance of lighting in filmmaking for visual storytelling and mood setting.
  • Key roles: Director of Photography (DP) and Gaffer.

Types of Light

  • Natural Light: Sunlight, moonlight, firelight.
  • Artificial Light: Man-made, powered by electricity.
    • Ambient Lighting: Pre-existing lighting (e.g., street lamps, moon).
    • Practical Lighting: Light sources visible in the frame.
    • Motivated Lighting: Justified, logical light source in a scene.

Properties of Light

  • Lumens: Measurement of light produced by a source.
  • Lux/Foot Candles: Measures incidental light hitting the subject.
  • Reflective Light: Amount of light reaching the camera.
  • Light Falloff: Intensity reduction as distance increases, explained by the inverse square law.
  • Color Temperature: Measured in Kelvins.
    • Daylight: Approximately 5600K (bluer).
    • Tungsten Lights: Around 3200K (oranger).

Key Lighting Concepts and Terms

  • Exposure: Amount of light reaching sensor/film stock.
    • Determined by Aperture, Shutter Speed, and ISO.
  • Contrast Ratio: Difference between light and shadow.
    • High Key Lighting: Low contrast, even lighting.
    • Low Key Lighting: High contrast, dramatic.
    • Chiaroscuro: High contrast seen in film noir.
  • Hard vs. Soft Light:
    • Hard Light: Directional, stark shadows.
    • Soft Light: Diffused, less defined shadows.
  • Lighting Placement:
    • Dumb/Broad Side: Closer to camera, approachable.
    • Smart/Short Side: Not facing camera, dramatic.
  • Lens Flares and Boca: Effects created by light interaction with the lens.

Essential Lighting Gear

  • Lights:
    • Tungsten Lights: Warm temperature.
    • HMI Lights: Cool temperature.
    • Fluorescent, KinoFlows, LED Lights: Various temperatures and controls.
  • Gels: Color adjustment.
  • Light Meter: Measures incidental light for exposure settings.
  • Diffusion Techniques:
    • Soft boxes, diffusion paper, silks.
    • Natural diffusers: clouds, fog.
    • Reflectors and B boards for bouncing light.
  • Neutral Density Gels: Reduce light intensity, sunlight reduction.
  • Flags, Barn Doors, Egg Crates, Cookies: Control and shape light.
  • Mounting Equipment: Light stands, C-stands for setup.

Conclusion

  • This episode covers basic lighting fundamentals with more to come in part 2.
  • Future topics include real-life lighting scenarios and setups.
  • Additional resources and a PDF cheat sheet available.