Camera and Tripod for Northern Lights: Do You Need Them?
- Exposure time
- 10 seconds
- You entered
- ISO
- 1600
- You entered
- Aperture (f-stop)
- 2.8
- You entered
You do not need a camera or tripod to see the northern lights — your eyes are enough. However, to photograph them well, you need both a camera with manual settings and a sturdy tripod, because aurora photos require long exposures that would blur if the camera moved.
Formula
The calculator above works out the exposure value (EV) for a given set of camera settings. The formula is:
EV = log₂((ISO × exposure time) / (aperture²))
- ISO – the camera’s sensitivity to light (unitless number, e.g., 1600).
- Exposure time (t) – how long the shutter stays open, in seconds.
- Aperture (f) – the f-number of the lens (e.g., 2.8 means f/2.8).
The result is a single number that represents the overall exposure. A higher EV means a brighter image. This helps you compare different settings without guessing.
Worked Example
Using the default values: ISO 1600, exposure time 10 seconds, aperture f/2.8.
- First, square the aperture: 2.8² = 7.84.
- Multiply ISO by time: 1600 × 10 = 16,000.
- Divide: 16,000 / 7.84 ≈ 2040.82.
- Take the base-2 logarithm: log₂(2040.82) ≈ 10.99.
So the exposure value is about 11.0. That is a bright exposure, typical for a vivid aurora with a fast lens and a 10-second shutter.
What the Northern Lights Actually Look Like
To the naked eye, the aurora often appears as a faint, grayish or greenish glow that moves slowly. The vivid greens, purples, and reds you see in photos are the result of long exposures that collect light over several seconds. Your eyes are not as sensitive in low light, so the display looks less colorful and less defined than a camera captures it.
That said, during a strong geomagnetic storm, the aurora can be bright enough to see colors and even see the curtains of light dancing. But even then, a camera will show more detail and color than your eyes can perceive.
Why a Tripod Is Essential
When you take a photo with a shutter speed longer than about 1/60th of a second, any camera movement will cause blur. For aurora photography, you typically use exposures from 5 to 25 seconds. Holding the camera by hand for that long is impossible without shaking it. A tripod keeps the camera perfectly still, ensuring sharp stars and crisp aurora details.
You can sometimes use a rock, a fence, or a beanbag to steady the camera, but a tripod is the most reliable and adjustable option. It also allows you to compose your shot and then wait for the aurora to intensify without having to hold the camera the whole time.
What Camera Settings Work Best
There is no single perfect setting, but a good starting point is:
- ISO: 1600–3200 (higher if your camera handles noise well)
- Aperture: the widest your lens allows (f/2.8 or lower is ideal)
- Shutter speed: 5–15 seconds, depending on how fast the aurora is moving
- Focus: manual, set to infinity (or use live view on a bright star)
- File format: RAW, so you can adjust white balance later
If the aurora is dancing quickly, use a shorter exposure (5–8 seconds) to avoid smearing the movement. If it is slow and steady, a longer exposure (15–20 seconds) will capture more light and detail.
Common Mistakes and How to Avoid Them
- Blurry photos: Almost always caused by a shaky tripod or a long exposure. Use a remote shutter release or the camera’s self-timer to avoid touching the camera.
- Out-of-focus stars: Autofocus struggles in the dark. Set focus to manual and adjust until stars look like tiny points, not blobs.
- Too dark or too bright: Check your histogram. The aurora is often dim, so you may need to increase ISO or lengthen the exposure.
- Not checking the forecast: A clear sky is essential, but so is aurora activity. Use a reputable aurora forecast app or website to plan your night.
- Forgetting cold weather: Batteries drain faster in the cold. Keep spares in a warm pocket and swap them as needed.
Smartphone Photography: Is It Possible?
Modern smartphones can capture the northern lights, but with limitations. Many phones have a “night mode” that takes a multi-second exposure, which can work if you hold the phone steady (ideally on a tripod or propped against something). Some phones also have a dedicated astrophotography mode that stacks multiple exposures to reduce noise.
However, the results are rarely as good as a dedicated camera with a large sensor and a wide-aperture lens. If you only have a phone, try setting it on a stable surface, use a timer, and experiment with the exposure settings. You might be pleasantly surprised, but don’t expect professional-quality images.
Frequently Asked Questions
Can I see the northern lights without a camera?
Yes, absolutely. The aurora is visible to the naked eye, especially during strong activity. You don’t need any equipment to enjoy the show. A camera only helps you capture it.
What is the best camera for aurora photography?
Any camera that allows manual control of ISO, aperture, and shutter speed will work. A full-frame or APS-C sensor with good high-ISO performance is ideal, but even a basic DSLR or mirrorless camera can produce great results with the right settings.
Do I need a special lens?
You need a wide-angle lens with a fast aperture (f/2.8 or wider). A 14mm or 24mm lens is common. Kit lenses (f/3.5–5.6) can work but will require higher ISO or longer exposures, which may introduce noise or blur.
How long should my exposure be?
Start with 10 seconds. If the aurora is faint, try 15–20 seconds. If it’s moving fast, use 5–8 seconds to avoid blurring the structure. The “500 rule” (divide 500 by your focal length) gives a rough maximum exposure to avoid star trails, but for aurora you often want shorter.
Why do my photos look green but I saw white?
Your eyes are less sensitive to color in low light. The camera captures the true green (or other colors) that your eyes might not perceive. This is normal and not a mistake.
Can I use a GoPro or action camera?
Some action cameras have manual settings and can capture the aurora, but their small sensors produce more noise and less detail. They can work in a pinch, but a dedicated camera will give better results.
Final Thoughts
Seeing the northern lights is a memorable experience that requires no gear at all. If you want to bring home photos, a tripod and a camera with manual controls are essential. Start with the settings above, practice on a clear night, and remember that the aurora is unpredictable — patience and warm clothing are just as important as your equipment.
Related
Formula used
in t | Exposure time | seconds | 10 | 0 in i | ISO | - | 1600 | 0 in f | Aperture (f-stop) | - | 2.8 | 0 out ev | Exposure Value | - | log2((i * t) / (f * f)) | 2
Each line is one input (in, sel, list) or one result (out: label, unit, formula, decimals). How the calculators work
Method: the standard formula for this calculation, rounded as each result states. See how the calculators work or report an error.