
1) Photography equipment
Found on
https://www.crosswordclues.com/clue/lightbox

A lightbox is a translucent surface illuminated from behind, used for situations where a shape laid upon the surface needs to be seen with high contrast. Several varieties exist, depending on their purpose: ...
Found on
http://en.wikipedia.org/wiki/Lightbox

a box with a light in it. Photographers use them to check transparencies, 2D drawn animators use them to animate on
Found on
https://www.encyclo.co.uk/local/20511

A box fitted with an internal light source, commonly a fluorescent tube or small incandescent bulbs, and a translucent white surface. Normally used for examining transparencies and negatives and tracing works made with a variety of techniques and materials. However since the late twentieth century artists have made works in which large scale photog...
Found on
https://www.encyclo.co.uk/local/20873
No exact match found.