Dreamy Backgrounds: Bokeh Simulator
Bokeh (background blur) separates the subject from distractions. The **Bokeh Simulator** at **Online Tool Base** estimates the aesthetic blur radius of out-of-focus highlights. It helps you understand how Focal Length, Aperture, and Distance interact to create that creamy background.
Many beginners think f/1.8 is the only way to get bokeh. Actually, a 200mm lens at f/4 often produces more background blur than a 35mm lens at f/1.4. **onlinetoolbase.online** proves this with math, calculating the size of the blur circle relative to the frame.
Why Use This Tool?
Use it to plan your lens choice. "Should I use the 85mm f/1.8 or the 70-200mm f/2.8?" This tool visualizes which one will obliterate the messy background more effectively for your portrait session.
Key Features
- 4-Variable Input: Lens, Aperture, Subject Distance, Background Distance.
- Blur Index: A comparative score for background softness.
- Simulator: Visual representation of a point light source.
How to Use
- Enter Lens Focal Length and Aperture.
- Set distance to Subject (e.g., 3m).
- Set distance to Background (e.g., 10m).
- See the estimated Blur Radius size.
Technical & Privacy Note
Optical simulation. The **Bokeh Simulator** from **Online Tool Base** runs logical comparisons locally.