The Apollo-SL155-NPS non-precision sector lantern is adjustable from 4-9nm+ and has been designed to suit a range of applications including channel, river and estuary marking.
The distinctive lens of the SL155-NPS has 16 optical elements controlling the light emissions from the LED in a two-dimensional manner; completely unique to the industry. The optic facilitates internal sectoring across a broad range of output requirements.
Available colours: Red, Green, White, Yellow, Blue