Neutral Filter

From International Dictionary of Marine Aids to Navigation
Revision as of 12:00, 15 February 2009 by Oferiks (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

2-2-205

Alternative term: Neutral Density Filter, Neutral Grey Filter

A non-selective filter, usually of glass or plastic.


Note: Such filters produce no change (or very little change) in the colour of the transmitted light.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

[[Category:2.2 Optical Apparatus]