Learning
Focus notes
Instructions describing where a light is aimed and how its beam is shaped. They may include the area covered, edge quality, shutter positions and reference photographs, helping another team reproduce the intended focus.
Instructions describing where a light is aimed and how its beam is shaped. They may include the area covered, edge quality, shutter positions and reference photographs, helping another team reproduce the intended focus.
First published 7 September 2026 · Revision 1 · Substantive changes to this entry are dated here.