The Quick Tip: Look for the SHAPE of the Light on the Face.
Instead of thinking about "good light" or "bad light," train your eye to see the *shape* the light is creating on your subject's face. This will help you understand where the light is coming from and how it's interacting with their features.
Here's how to do it:
1. Simplify the Concept: Imagine you're drawing with light and shadow. Think of light as what reveals form, and shadow as what defines it.
2. Observe the Highlight and Shadow:
* Highlight: This is the brightest area where the light is directly hitting the face. Notice its size, shape, and location. A larger highlight typically indicates a larger, softer light source.
* Shadow: This is the area where light is blocked. Look at the edges of the shadow. Are they sharp and well-defined (hard light), or soft and gradual (soft light)?
3. The Triangle of Light (Rembrandt Lighting): This is a classic portrait lighting pattern, and it's a good starting point for observing the shape of light. Look for a small triangle of light on the cheek of the shadowed side of the face, just below the eye. If you see this, you're on the right track. If you don't, adjust your subject's position relative to the light.
4. Move Your Subject (or Yourself): The easiest way to change the light is to change the angle. Have your subject rotate slightly left or right, or move yourself around them. Watch how the shape of the highlights and shadows change.
5. Consider the Background: A dark background can make the highlights on the face pop. A bright background can wash out the subject.
Why this works:
* Focus on Form: By seeing the shape of the light, you're directly observing how the light is sculpting your subject's face.
* Predictability: Understanding the shape of light allows you to predict how changes in position or light source will affect the final image.
* Control: You can manipulate the light (by moving the subject, using reflectors, or adding lights) to create the shapes you want.
Example:
Imagine your subject is standing near a window.
* Instead of: "Is this good light?"
* Think: "I see a large, soft highlight on the side of her face closest to the window. The shadow on the other side is gradual and soft. If she turns towards the window more, the highlight will become larger, and the shadows will be smaller. If she turns away, the highlight will shrink, and the shadows will deepen."
Practice:
* Look at portraits (paintings and photographs) and try to identify the shapes of the light and shadow.
* Practice with a lamp or a window as your light source. Experiment with moving a simple object (like an apple or a ball) and observe how the light changes. Then move on to a person.
Key takeaway: Stop just *seeing* the light, and start *observing the shape* it makes. This is the foundation for great portrait lighting! Good luck!