Making Passers-by Disappear from a Photo with a Long Exposure

Photographing a busy place — a museum, a church, a touristy square — without a single person visible in the shot can look like the result of editing — yet it’s a genuine shooting technique, known since the early days of photography, achievable with simple gear.

The principle, in one sentence

A sufficiently long exposure (several seconds to several minutes) captures a scene continuously : anything that stays still for the entire duration is recorded sharply, while a passer-by crossing the frame in a few seconds never stays long enough to leave a visible trace. The result : the setting appears sharp and empty, without ever having had to wait for a quiet moment.

The essential gear

A sturdy tripod is non-negotiable : the slightest camera shake during an exposure of several seconds blurs the whole image, background included. In broad daylight, a neutral density (ND) filter, which cuts the amount of light entering the lens much like sunglasses for the camera, becomes essential to lengthen the exposure time without overexposing the shot.

Settings to lengthen the exposure

Closing down the aperture significantly (f/16 to f/22) and choosing the lowest possible sensitivity (ISO) already help extend the exposure time before overexposure — the ND filter then completes the job to reach several seconds, or even several minutes indoors in low light. Shutter priority mode, or full manual, lets you set this exposure duration precisely.

A technique with its limits

The effect only works on passers-by who are genuinely on the move : someone who stops dead in the middle of the frame, even for a few seconds, will leave a blurred but clearly visible trace. Choosing a location where visitor flow stays generally smooth, and trying several times at different hours, greatly increases the odds of getting a perfectly empty scene on the first attempt.