Blur de Bokeh (aprox)
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
bokeh
About this calculator
The Bokeh Blur calculator is a useful tool for photographers and photography enthusiasts. It helps calculate the bokeh effect in an image, considering the lens aperture and the distance between the focal object and the background.
The Bokeh Blur is proportional to the lens aperture and the distance of the focal object from the background. This means that, the larger the aperture and the closer the distance, the more intense the bokeh effect will be.
This calculator is especially useful to understand how to choose the best aperture and composition to create a desired bokeh effect. Additionally, it is essential to be careful with the distance of the focal object from the background, as it can affect the intensity of the effect.
Remember that the bokeh formula is an approximation and may vary depending on the type of lens and the photography system used.
Frequently asked questions
What is bokeh?
Bokeh is the diffusion effect of light in an image, created by the lens aperture and the distance between the focal object and the background.
Why is the distance of the focal object important?
The distance of the focal object from the background affects the intensity of the bokeh effect. The closer the distance, the more intense the effect will be.
When to use this calculator?
This calculator is useful when you want to create a specific bokeh effect in an image or want to understand how to choose the best aperture and composition to achieve that effect.
Are there any precautions to take when using this calculator?
Yes, it's essential to remember that the bokeh formula is an approximation and may vary depending on the type of lens and the photography system used.
What is the lens aperture?
The lens aperture is the measurement of the lens opening, expressed in f/stop (f/2.8, f/4, etc.). The larger the aperture, the more intense the bokeh effect will be.