Exposure bias fixes a development gain at development process. This process is similar to the push and pull processing in film development, giving the similar result as with the exposure bias function used in cameras. Select the value with the "Exposure bias" slider or from the "Exp. bias " combo box to adjust the exposure bias.

Select the "Exp. bias" combo box when operating exposure bias.

"Exposure bias" slider or from the "Exp. bias"

The "Exp. bias fine tune" slider in the "Exposure" tab helps you to adjust exposure in detail, which is impossible with the "Exp. bias" slider.