* The style of portrait you're aiming for: Dramatic and edgy vs. soft and flattering.
* The distance you typically shoot from: Headshots vs. full-length.
* The size of your subject: Children vs. adults.
* The power of your strobes: Larger dishes require more power.
* How much space you have in your studio (or on location): Larger dishes are more cumbersome.
Here's a breakdown of common beauty dish sizes and their characteristics:
Small Beauty Dishes (16-22 inches):
* Characteristics:
* More focused light, creating more contrast and shadows.
* More specular highlights.
* More forgiving of smaller studio spaces.
* Easier to transport.
* May require more strobe power if used at a distance.
* Best For:
* Headshots (especially when you want a more dramatic look).
* Tight crops where you want to emphasize texture and detail.
* Creating a more edgy or masculine feel.
* Situations where space is limited.
* Considerations: Can be too harsh for full-length portraits or when you want a softer, more diffused look. Falloff can be more abrupt.
Medium Beauty Dishes (23-28 inches):
* Characteristics:
* A good balance between focused and soft light.
* Provides a good amount of coverage.
* Versatile for a range of portrait styles.
* A popular and common choice.
* Best For:
* Headshots and half-body portraits.
* General portrait work.
* A good starting point if you're unsure what size to get.
* Provides a good balance of soft light and specular highlights.
* Considerations: Might be too small for full-length shots, especially if you want soft, even light.
Large Beauty Dishes (30 inches and up):
* Characteristics:
* Softer, more diffused light.
* More even coverage, ideal for full-length portraits.
* More flattering for skin tones.
* Requires more powerful strobes.
* Takes up more space.
* Less specular highlights
* Best For:
* Full-length portraits.
* Group portraits (depending on size).
* Creating a very soft and flattering look.
* Situations where you need to fill a larger area with light.
* Considerations: Can be too soft for headshots, resulting in a lack of definition. Requires a larger studio and more powerful strobes. Can be challenging to transport.
Other Factors to Consider:
* Grid: Adding a grid to your beauty dish will narrow the beam of light and increase contrast and control spill. This is particularly useful with larger beauty dishes.
* Diffuser (Sock): Using a diffuser sock will soften the light even further, making it more similar to a softbox. This is a good option if you find your beauty dish is too harsh.
* Color of the Interior: Beauty dishes come with white, silver, or gold interiors.
* White: Softest and most diffused light.
* Silver: Higher contrast and more specular highlights. More efficient.
* Gold: Warmer tones, useful for certain skin tones or creative effects.
* Your Existing Lighting Setup: Think about how the beauty dish will work with your other lights. For example, a smaller, more contrasty beauty dish might work well as a key light with a larger softbox as a fill.
General Recommendations:
* If you're just starting out: A 22-28 inch beauty dish is a versatile choice that will work well for a variety of portrait styles.
* For headshots only: A 16-22 inch beauty dish is a good option, especially if you want a more dramatic look.
* For full-length portraits: A 30-inch or larger beauty dish is recommended.
* Consider your style: Do you prefer soft, flattering light, or a more edgy, dramatic look? Choose a size that aligns with your style.
Ultimately, the best way to determine the right size beauty dish for you is to experiment. Rent or borrow different sizes and see what works best for your style and shooting conditions. Pay attention to the quality of light, the shadows, and the overall look of your portraits. Good luck!