Drum Lens
2-2-100
(Dioptric) Drum Lens
A fixed lens consisting of dioptric elements only. (Fig. 16b)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
[[Category:2.2 Optical Apparatus]
2-2-100
(Dioptric) Drum Lens
A fixed lens consisting of dioptric elements only. (Fig. 16b)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
[[Category:2.2 Optical Apparatus]
ampere
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM