Calculate Effective Aperture for Your Macro Shots
Use this handy tool to estimate the effective f-stop when using extension tubes. It shows:
- The magnification your setup produces
- The effective aperture in terms of light and depth-of-field
- A short explanation of what the result means
This helps you plan exposure and understand light loss before you start shooting.
Macro Effective Aperture Calculator
For a detailed guide on how effective aperture works, why magnification matters, and step-by-step examples, check out the full post: Magnification and the Effective Aperture Formula Made Simple.
