From floor plans and lighting zones to mounting specs and viewing angles, detailed AV design drawings will help keep your classroom audiovisual installation on track. This is the third article in a ...

New research shows that lens mount details matter for athermalization of a lens system. Layout of the 10-element lens with a cross-section of the mounting structure in a seat-based mounting (orange, ...

Layout of the 10-element lens with a cross-section of the mounting structure in a seat-based mounting structure (orange, top). The seats are on the right surfaces of the first 6 elements and on the ...