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    -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)





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    -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



    References

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