5-Minute Guide to Common Film Lighting Modifiers (Part 2)

-04 Fresnel Lens -

A classic point light control modifier, named for its concentric circular ridges (also called a "stepped lens").

Key Advantages vs. Plano-Convex Lenses:
✔ Superior light focusing
✔ Thinner/lighter design (reduced heat absorption)
✔ Frosted or textured back prevents filament patterns
✔ Polished back maximizes light output

Applications:

• Converts conical beams into near-parallel light (ideal for sunlight simulation)

• Adjustable beam spread by moving lens position (also great for rim lighting)

  
  

-05 Reflectors -

Used to control contrast, common types include:

1. Collapsible Disc Reflectors (5-in-1):

• Gold: Warm-toned bounce

• Silver: Brightest reflection (works in low light)

• White: Soft, natural fill

• Diffuser: Softens harsh light

• Black: Absorbs light to deepen shadows

2. Foamcore ("Mibolo"):
Lightweight, pure white surface for gentle, neutral fill.

3. Fabric Reflectors:

• Silk/Nylon: Strong, directional bounce

• White Cloth: Subtle, diffused fill

4. Mirror Reflectors (e.g., Dedolight):
Projects parallel beams at adjustable angles (12°/50°/90°). Perfect for:
→ Space-limited sets
→ Dreamy yet realistic lighting ("one light, multiple effects")

-06 Flags -

Opaque black panels for:
✔ Blocking stray light
✔ Creating shadows
✔ Highlight separation

Pro Tip:

• Closer to light source = softer shadow edges

• Essential for negative fill and contrast control