* Subject Distance: How far away from your subject will you be shooting?
* Desired Softness of Light: Do you want very soft light, or a more contrasty look?
* Portability: Do you need something that's easy to transport?
* Studio Size: Do you have a lot of room to move around?
* The Look You're Going For: Different sizes create different effects.
Here's a general breakdown of common beauty dish sizes and their characteristics:
Smaller Beauty Dishes (16"-22"):
* Characteristics:
* More specular and contrasty light. Creates more defined shadows.
* Highlights skin texture, good for more edgy or dramatic portraits.
* Offers more focused light; easier to control spill.
* More portable.
* Best for:
* Headshots where you want defined features.
* More dramatic portraits.
* Adding dimension to faces.
* Situations where you need a portable option.
* Small studios where you need to control light spill.
Medium Beauty Dishes (23"-28"):
* Characteristics:
* A good balance between softness and contrast.
* Versatile for a variety of portrait styles.
* Still relatively easy to transport (compared to larger sizes).
* Good general-purpose size for portrait studios.
* Best for:
* General portrait work.
* Beauty shots with a slightly softer look than smaller dishes.
* Most studio setups.
Larger Beauty Dishes (30"+):
* Characteristics:
* Softer, more diffused light. Creates smoother skin tones.
* More forgiving of skin imperfections.
* Less specular highlights.
* Less portable.
* Requires more power from your strobe to compensate for diffusion.
* Best for:
* Beauty shots where you want flawless skin.
* Full-body portraits (spreads the light over a larger area).
* Situations where you want to minimize shadows.
* Larger studios with plenty of space.
Here's a More Detailed Breakdown by Subject Distance and Desired Look:
* Close-Up Headshots (1-3 feet): 16"-22" beauty dish is generally a good choice for defined features and manageable light spill.
* Waist-Up Portraits (3-5 feet): 22"-28" provides a balance of softness and definition.
* Full-Body Portraits (5+ feet): 28"+ dish helps to spread the light evenly across the subject. You may also need to consider the power of your strobe.
Additional Considerations:
* Grid: A grid can be added to a beauty dish to further control the light and reduce spill, creating a more focused beam. This is helpful for achieving dramatic lighting.
* Diffuser/Sock: Using a diffuser or sock on your beauty dish will soften the light even further, regardless of the size.
* Material: Beauty dishes come in different materials, such as white, silver, and gold.
* White: Produces a softer, more natural light.
* Silver: Provides more specular, contrasty light.
* Gold: Adds warmth to the skin tones.
* Your Existing Lighting Setup: Consider how the beauty dish will complement your existing lighting equipment (strobes, speedlights, reflectors).
General Recommendations:
* If you're just starting out: a 22" to 28" white beauty dish is a versatile choice.
* For headshots and dramatic portraits: a 16" to 22" silver beauty dish with a grid can be effective.
* For beauty work and soft, flattering light: a 30"+ white beauty dish is a good option.
Ultimately, the best size for you depends on your personal preferences and the type of portraits you want to create. Experimenting with different sizes and modifiers is the best way to find what works best for your style. Consider renting different sizes before committing to a purchase.