Lightbox (photography)
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In photography, a lightbox is a container with several lightbulbs and a pane of frosted glass on the top. It is used by professionals viewing translucent films, such as slides. This device was originally used to sort photographic plates with ease.
Generally, a lightbox uses light similar to daylight (5000 - 6000 K), has uniform light strength on the glass pane, and has adequate light strength (in order to not strain the vision).
A lightbox may also refer to a folder used on stock photograpy websites to allow a user to organize digital photos. Photos can be assigned to a viewable lightbox folder by subject, for later convenience, or used to compile unrelated photos for a specific project layout. Lightboxes also allow graphic designers to show clients options for a project in one simple uncluttered folder.