The VC Meter II an excellent complementary tool for cameras without a built-in meter. It is small and light and fits well on the hot shoe of the camera. Uses 2 LR44 battries, which is easily available, this is a reliable indispensable little tool for classic camera lovers.
The indicator shows an over-exposed settings:
The indicator shows an under-exposed settings:
Indicator shows the correct exposure settings. Apply the same settings on the meter to your camera, you should get a correctly exposed photograph.
Below: VC II Meter Black