Denominations of the lanterns and their lighting visibility
For boats L.F.T. in lenght m 50

Serie 25R - (For boats L.F.T. m.12)

Serie 35R - 45R (For boats L.F.T. m.50) made with 316 stainless steel polished, prismatic lens glass bulbs 12V - 24V

Serie 55R made with melted and polished brass, prismatic lens glass bulb with 24V

note: masthead via bianco 35R available only for boats L.F.T. m.20