Exposure Wheel play online

Exposure Wheel is an application for photographers. It measures the amount of light using Android cell phone light meter.
To use the Exposure Wheel, follow these steps:
- Align the EV marker on the inner wheel with the appropriate EV value on the outer wheel (red numbers).
- Offset the inner wheel to the appropriate ISO setting for any other setting than ISO 100.
- Choose a combination of f-stop and shutter speed from the left side of the Exposure Wheel.