Gossen Microsix exposure meter
Gossen Microsix exposure meter is a meter specially designed to be
used with micro photography. The sensor is constructed in such a manner,
it can be used on every micro photographic type of equipment.
The sensor is based on a selenium photo voltaic cell and can be mounted
on a microscope, the cable connectors plug in the 2 connector jacks on
the meter, where the red plug is inserted in the jack with the red ring.
The meter zero point is on the right side of the scale on the small
black line just besides the value 27. The meter has been constructed by
Gossen for E. Leitz in Wetzlar, Germany.