|
This is the beautiful, French made, double clamshell optics in the lanternroom of the Seskar Island Lighthouse. The double clamshell configuration gives two Group flashes(2) per revolution of the optics.
|
|
This is the beautiful, French made, double clamshell optics in the lanternroom of the Seskar Island Lighthouse. The double clamshell configuration gives two Group flashes(2) per revolution of the optics.