Stand lighting that photographs well: notes for designers

What the camera sees that the visitor does not

The eye adapts. It walks from a warm spotlight to a cool LED panel and sees white in both; it looks at a product under a hard spot and reads the detail. A camera sensor fixes one white balance per frame and one exposure per frame. Mixed sources turn into orange and blue zones, a spot that looks lively to the visitor becomes a white patch with no detail, and a downlight above a face becomes two dark eye sockets. In UAE halls the problem is sharper than in most venues: the hall lighting at Dubai World Trade Centre and Expo City is cool and comes from high above, the stand's own light is usually warmer and lower, and both appear in every candid photograph. The crew controls the light for portraits, interviews and product set-ups, but the stand's light is in every frame of visitors, meetings and demos, which is most of the delivery.

One colour temperature

Mixing warm spots with cool LED panels and the hall's own light gives the camera three colours of white. Ask the designer for one colour temperature across the stand, or at least across each zone, and to state it in Kelvin in the lighting schedule. 4000K is a reasonable compromise in UAE halls: it sits between the hall's cool light and the warm wash most designers like for hospitality areas, and faces look natural. If the brand wants warmth, 3500K across the whole stand is better than 2700K in the lounge and 5000K at the product wall. Check the LED fixtures' colour rendering index as well; anything below 90 shifts reds and skin tones in ways the edit cannot fully recover. See white balance.

Backlit graphics and hotspots

Backlit fabric graphics photograph beautifully when evenly lit and badly when the LED strips show through as bars. The fix is at the build stage: enough depth in the lightbox, usually 100mm or more, and diffuser fabric between strips and print. Spotlights aimed at product create hotspots that blow out in a photograph; a slightly wider beam and a lower intensity read better on camera and still draw the eye. Ask for a dimmer on anything aimed at a product or a face, so the crew can bring a spot down two stops for the clean product frames in the forty minutes before doors and the stand team can push it back up when the visitors arrive. Glossy product under a point source is the hardest case: a large soft source from the side, or a frosted panel in front of the spot, solves most of it.

Screens and LED walls

Higher-refresh panels photograph and film cleanly; cheap panels band, showing dark stripes across the screen in photographs and flicker in video. If the screen is the hero of the stand, ask the supplier for the refresh rate (3,840Hz panels are now common for rental walls and are safe; anything under 1,920Hz needs care) and the pixel pitch. Keep the hero visual available as a still frame so the clean shot has a sharp screen rather than a motion-blurred half-transition, and give the stand manager the remote. Screen brightness matters as much: a wall set for a bright hall will be three or four stops brighter than the faces in front of it, and the camera cannot hold both. Half brightness for the clean set, full for the day. Detail in our guide to photographing LED walls and the LED wall entry.

Faces, counters and meeting areas

Downlights directly above the meeting area put shadows under every visitor's eyes and make every meeting photograph look tired. A little front light at the reception counter, a warmer wash from the side of the lounge, or simply moving the downlights 600mm forward of where people sit, makes the people photographs work. The same applies to the demo station: light the demonstrator's face, not just the product. If there is an interview corner, keep it away from the LED wall, which flickers behind the speaker, and give it a plain, well-lit section of wall or graphic with the logo visible but not central.

A worked example: a 120 square metre island at Big 5

A building materials exhibitor at Big 5 Global has an island stand with a sample wall, a meeting lounge, a demo area and a six-metre LED wall. First design: 2700K pendants over the lounge, 5600K spots on the sample wall, LED wall at full brightness, downlights over the meeting tables. The photographs would have shown an orange lounge, a blue sample wall and silhouettes in front of the screen. After a fifteen-minute conversation with the designer: all fixtures 4000K, dimmable spots on the sample wall, the LED wall supplier confirms a 3,840Hz panel and provides a still version of the hero animation, and two low-level uplights behind the meeting tables lift faces. The build did not change in scope or schedule. The clean set before doors on day one took thirty-five minutes and the sample wall photographs went straight into the catalogue.

What to put in the builder's brief

• One colour temperature, stated in Kelvin, across the stand or per zone; colour rendering index 90 or above.
• Dimmers on all product spots and the LED wall.
• Lightbox depth and diffusion for backlit graphics, checked at the build-up walk-through.
• LED wall refresh rate and a still version of the hero visual.
• Front or side light at the counter, the demo station and the meeting area.
• A power point for the editing laptop and a place to stand a light for interviews.

Send this to the builder with the design brief, and ask the crew to join the walk-through on the build-up day so that the last adjustments happen before opening morning. See also what a stand builder needs from photography and how we work with stand builders.