Studio Lighting Ratios Quiz: Multi-Light Setup and Fill

Master professional studio lighting control. This quiz covers lighting ratios, feathering technique, fill light placement, and the precise control of multiple lights that separates amateur from professional results.

Quiz 38: Studio Multi-Light Ratios and Feathering

Lighting ratio 2:1 corresponds to:

0.5 stop difference

1 stop difference

2 stops difference

3 stops difference

Lighting ratio 4:1 corresponds to:

1 stop

2 stops

3 stops

4 stops

Feathering a softbox means:

Pointing it directly at subject

Aiming so subject is lit by edge of beam for smoother falloff

Lowering ISO

Using HSS

A fill light placed near camera axis tends to:

Increase texture shadows

Reduce shadows

Add rim light

Create split lighting

A hair light should generally be:

In front of subject low

Behind/above subject aimed at hair/shoulders

On the floor

Pointed at background only

Background light is used to:

Increase ISO

Control background tone and separation

Improve AF

Reduce rolling shutter

A grid on a key light primarily:

Softens light

Controls spill and narrows beam

Changes WB

Increases power

To measure key:fill ratio, use:

Histogram only

Incident meter readings comparing lit and filled sides

Auto mode

White balance card

If the fill is too strong, you can:

Move fill closer

Increase fill power

Reduce fill power or move it farther

Open aperture

"Spill" refers to:

Noise in shadows

Unwanted light reaching areas

Lens distortion

Shutter lag

Negative fill uses:

White reflector

Black flags to absorb light and deepen shadows

Higher ISO

Wider aperture

A flag is used to:

Add light

Block light

Change ISO

Change focal length

The inverse square law affects:

Only ISO

Light falloff with distance

White balance

Color space

Moving key light closer tends to:

Reduce falloff

Increase falloff and softness (relative)

Increase noise

Reduce contrast always

A common advanced portrait look is built by:

Random lights

Controlled ratios, feathering, and separation lights

Auto WB only

Maximum sharpening

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