Lighting Ratio
Calculate contrast ratios with ease
Optimize Your Cinematic Lighting Quickly and Accurately
Instant Fill and Background T-Stop Calculation
• Input your key light stop and select your desired contrast ratio.
• Get immediate results for the required fill or background stop to achieve your look.Accurate Contrast Ratio Evaluation
• Simply enter both key and fill light reading stops.
• Calculate the precise contrast ratio between your lights, essential for balanced exposure.Customizable Display Options
• Choose between exact, rounded, or tenths display modes for T-stop values.
• Tailor the interface to your workflow for maximum clarity on set.Clear, On-Screen Explanations
• Get detailed equations and step-by-step explanations help you understand each calculation.
• Designed to demystify complex lighting relationships for cinematographers.Industry-Standard Terminology
• Uses familiar terms like “Key-Fill” and “Lighting Ratio” found on sets that resonate with professionals
• Helps ensure that you’re always speaking the same language as your crew.User-Friendly Interface
• Intuitive navigation and a clean design allow for quick adjustments on set.
• Optimized for both rapid input and clear visualization of results.
Perfect For:
• Cinematographers, gaffers, and lighting professionals who need reliable, on-the-go lighting calculations.
• Anyone looking to balance and perfect their lighting setups with ease and precision.
HELP
Q: What does Lighting Ratios do?
A: It instantly calculates fill or background stops and contrast ratios based on your input light stops.
Q: How do I compute a fill or background stop?
A: Enter your key light stop and select your desired contrast ratio to receive the computed fill or background stop immediately.
Q: Can I customize the T-stop display?
A: Yes, you can choose between exact, rounded, or tenths display modes to suit your workflow.
Q: How is the contrast ratio determined?
A: Simply input both key and fill light stops, and the app computes the precise contrast ratio using industry-standard formulas.
Q: Is Lighting Ratios designed for professional on-set use?
A: Absolutely, it features clear on-screen explanations and familiar cinematography terminology for quick, reliable lighting calculations.
Q: Supported iOS Version?
A: The app is optimized for iOS 17.0 and up.