API reference - Ricoh Theta

Option exposureCompensation

Definitions
Type enum (of number)

Description: Exposure compensation (EV).
This option value is retained separately for each of still image shooting mode and video shooting mode.
If the exposure program is set to manual program, the value of this option is 0. Only Theta A1 supports -4.0, -3.7, -3.3, -3.0, -2.7, -2.3, 2.3, 2.7, 3.0, 3.3, 3.7 and 4.0.

Must be one of: