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At the top and rear of the device has two LCD screens, the user can use the closest LCD screen when metering.
The ball head which is used in the metering is easy to adjust its angle, it can be adjusted to 30,60,and 90 degrees.
The “Metering” can be directly connected to the camera's hot shoe or cold shoe, it will not affect the original function of metering and Auto Focus in the camera.
National Taiwan University of
Science and Technology
Taipai City, Taiwan
Yi Chen Chen
New Taipei City, Taiwan