Imagine freezing a moment in time while still conveying motion and atmosphere. Long exposure photography makes this possible. By using slow shutter speeds, photographers can create dreamlike images that reveal the subtle beauty of motion—whether it’s clouds drifting across the sky, water flowing like silk, or city lights transforming into glowing trails.
What Is Long Exposure in Photography?
In photography, exposure refers to how much light hits your camera’s sensor. Long exposure means using a slow shutter speed to capture light over a longer period—usually several seconds or more. This technique blurs moving subjects while keeping stationary elements sharp, producing a surreal and often cinematic effect.
Why Use Long Exposure Techniques?
Long exposure allows you to:
- Capture motion in a still image (like light trails or flowing water).
- Create visual contrast between moving and static elements.
- Simplify busy scenes by smoothing out distractions like waves or crowds.
In essence, it’s a way to compress time into a single frame, telling a deeper story than a standard snapshot could.
Essential Equipment for Long Exposure Photography
To get started, you’ll need a few key tools:
1. Tripod
A sturdy tripod is critical. Since you’ll be using slow shutter speeds, even slight hand movements can blur the entire image. A tripod stabilizes the camera to keep static elements razor-sharp.
2. Neutral Density (ND) Filters
ND filters reduce the amount of light entering the lens, allowing for longer exposures even during the daytime. For example, with a 6-stop ND filter, a 1/60s shutter speed becomes a full second, perfect for capturing movement in bright conditions.
3. Remote Shutter Release
A remote or shutter delay function prevents camera shake when pressing the shutter button, which is essential for sharp long exposures.
Camera Settings for Long Exposure Photography
Shutter Speed
Start with 10–30 seconds depending on your subject. For instance, capturing light trails from traffic works well at around 15 seconds, while smoothing water might require 30 seconds or more.
Aperture
Use a narrow aperture (f/8 to f/14) for greater depth of field and sharpness throughout the image.
ISO
Keep ISO low—around 100—to reduce digital noise, especially in long exposures at night.
Best Subjects for Long Exposure Shots
Waterfalls and Rivers
Long exposures give water a silky texture. The longer the exposure, the smoother the water appears.
Cityscapes at Night
Streetlights and moving cars turn into vibrant trails of light. This is one of the most popular subjects for beginners.
Clouds and Sky
On windy days, slow shutter speeds can create soft, sweeping skies as clouds move across the frame.
Star Trails
Point your camera toward the night sky and leave the shutter open for several minutes—or even hours—to reveal the Earth’s rotation through spiraling star trails.
Pro Tips for Success
- Scout locations during the day to plan compositions and check safety.
- Use apps to calculate ideal exposure times when using ND filters.
- Always shoot in RAW for maximum editing flexibility.
- Be patient. Long exposure photography often involves trial and error.
- Use the histogram to avoid overexposure in bright areas.
- Final Thoughts
Long exposure photography is not just a technique—it’s a form of storytelling. It captures the movement of time and transforms the ordinary into the extraordinary. With the right tools and practice, any photographer can harness this method to produce stunning, atmospheric images that leave a lasting impression.