Symbol 5577 from IEC 60417 - Title/Meaning: Zone focus, very short distance Function/description: To identify a very short focal distance.
Additional information: 
This symbol is to be used in conjunction with one or more of symbols 5578, 5579 and 5580
Minor editorial improvement agreed by the Change Request was reflected after the release on 2002-10-07
Published in: Supplement M, 1994
Own work using: iso.org/obp/graphics/grs/f4fb433f-e705-4d2f-9575-3a63c1d6d8dc 200.png
Vectorization:  Mrmw