Jrifedptry Light Meter II Cold Shoe for DSLR Film Camera Light Meter 12 Shutter Speed Photography Accessories (Black)

[Indicator Light + Two Dials]The current exposure status is displayed by the indicator light. The left and right dials can modify the parameters, which resemble the Manual mode of camera. [23-stop Shutter Speed]Shutter speed increased from 12 to 23 stops, making exposure more accurate. [Easy to Use]Light Meter II has simple design, easy and quick to operate. [45°Average Metering]Upgrade the metering module to make the metering more accurate. [Double Power Saving]Continuous Metering for 60h. The indicator light automatically turn off and the it can be activated by touching the dial and metering button. It turn on the sleep mode, which can be activated by clicking the metering button.