A reflective light meter for manually controllable cameras that don't have a meter integrated or have one that is no longer working.
- aperture priority, shutter priority, manual, exposure value modes
- fast operation and start up, stored previous settings
- set parameter quickly using a control wheel
- change secondary parameters by holding the button when turning the wheel
- anodized aluminium body and control wheel
- uses the standard accessory shoe mount
- standard CR2032 battery used in many devices
More info here.