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Shutter Speed Guide: Freezing and Blurring Motion

Shutter speed controls how motion appears and how sharp handheld shots are; this guide gives starting speeds, the formulas behind them and how to avoid shake.

By Jennifer K. Telfer · Updated · 6 Min Read

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Shutter speed is the length of time the camera’s sensor is exposed to light for one photo, written as a fraction of a second such as 1/500. This shutter speed guide shows how fast speeds freeze action, how slow speeds blur motion on purpose, and how to avoid blur caused by your own hands.

Why It Matters

Shutter speed decides whether a moving subject looks frozen or smeared, and whether a photo is sharp or ruined by camera shake. A runner at 1/60 second is a blur; the same runner at 1/1000 is crisp. A waterfall at 1/1000 looks like scattered drops; at one second it looks like silk.

The same setting also changes brightness. Doubling the time doubles the light, so you must balance speed against aperture and ISO. The exposure triangle explains that balance.

Beginner Shutter Speed Guide: Freeze, Blur Or Avoid Shake

When you press the shutter button, a shutter, a pair of curtains or an electronic readout, opens for a set time, lets light reach the sensor, and closes. Anything that moves during that time is recorded as a streak. A short time catches a single moment. A long time records the whole movement.

Shutter speeds step in stops, and each step doubles or halves the time: 1/1000, 1/500, 1/250, 1/125, 1/60, 1/30, 1/15, 1/8, 1/4, 1/2, 1 second. Cameras print these as rounded numbers; 1/60 is really 1/64. Speeds longer than a second appear with a quote mark, such as 2″.

Two Kinds Of Blur

  • Subject blur. The thing you photograph moves while the shutter is open.
  • Camera shake. Your hands move the camera, so the entire image blurs, including things that are still.

For camera shake, a reliable starting rule is to use a speed of at least 1 divided by your focal length. With a 50 mm lens, use 1/50 second or faster; with a 200 mm lens, use 1/200. On a camera with a smaller sensor, use the equivalent focal length. Built-in stabilization lets many people go several stops slower, but it does nothing for a moving subject. See image stabilization for how much it helps.

How To Set Shutter Speed

  1. Set the mode dial to S (Nikon, Sony, Panasonic) or Tv (Canon). This is shutter priority: you choose the speed and the camera sets the aperture. On Fujifilm bodies, turn the shutter speed dial and set the lens aperture ring to A.
  2. Turn the main command dial until the screen shows the speed you want.
  3. Half-press the shutter button. If the aperture number blinks or shows the lowest or highest limit, the scene is too dark or too bright for that speed; raise ISO or choose a different speed.
  4. Take the photo and zoom in on the playback screen to check the blur.

You can also use Manual mode and set the speed yourself; the lesson on shutter priority mode covers both.

Subject Starting Speed Notes
Landscape on a tripod Any Wind-moved leaves may need 1/125
Portrait, handheld 1/125 to 1/250 Covers small movements of the subject
Walking person 1/250 Faster if they are close
Running child, pets 1/1000 Fast turns may need 1/2000
Cars, cyclists, sports 1/1000 to 1/2000 Birds in flight often need 1/2500 or more
Panning shot 1/30 to 1/60 Sharp subject, streaked background
Flowing water 1/4 to 2 seconds Tripod required; use a neutral density filter in daylight

Common Mistakes

  • Handholding at slow speeds and blaming the lens for soft pictures.
  • Using the same speed for a near subject and a far one. A close subject crosses the frame faster and needs a shorter exposure.
  • Pressing the shutter button hard. Squeeze gently and brace your elbows against your body.
  • Forgetting that a tripod removes camera shake but not subject blur.

Advanced Speed, Distance And Blur Budgets

Calculating Subject Blur

For a subject moving across the frame, the blur length on the sensor is approximately: blur = v x t x m, where v is subject speed, t is exposure time and m is the magnification, which is focal length divided by subject distance when the subject is far compared with the focal length. Suppose a runner moves at 5 meters per second, 10 meters away, photographed with a 100 mm lens. The magnification is about 0.01. At 1/1000 second the runner moves 5 millimeters, so the blur on the sensor is about 0.05 mm, or 50 micrometers.

A common standard for acceptable sharpness on a full-frame sensor is a blur under 0.03 mm, the circle of confusion for an 8 by 10 inch print viewed at arm’s length. By that standard, you need about 1/2000 second here. Viewing at 100 percent on a high-resolution screen is much stricter and can demand even faster speeds. The rule that falls out is this: required speed rises with subject speed, with focal length, and falls with subject distance.

The Reciprocal Rule And High-Resolution Sensors

The 1/focal length rule was built around 35 mm film and modest print sizes. On a 45 megapixel sensor, pixels are small enough that a blur of 1 pixel is visible when you pixel-peep. Many shooters on high-resolution bodies use roughly 1/(2 x focal length) as a safer starting point. Stabilization gains of 3 to 6 stops, as rated by manufacturers, depend on the CIPA test method and the lens, and are rarely reached at long focal lengths or when you move while shooting.

Shutter Shock

The moving curtains of a mechanical shutter can vibrate the camera body, and on tripod-mounted high-resolution cameras this can cause blur in a band of mid-range speeds. The affected range varies by body, lens and tripod; it is not a fixed value. Fixes include electronic first-curtain shutter, a fully electronic shutter, exposure delay modes and a more rigid support. A fully electronic shutter reads the sensor row by row, which can skew fast-moving subjects and cause banding under flickering lights, a trade covered in electronic shutter.

Panning And Intentional Blur

Panning works by moving the camera with the subject at matching angular speed. The subject stays still relative to the sensor while the background streaks. Required speed is not a single number: it depends on subject speed and distance. Start near 1/60 for a cyclist and 1/30 for slower subjects, then adjust. The method is detailed in panning technique.

Video Link

Video uses shutter speed too, but the target is motion that looks natural. The 180-degree shutter rule sets shutter time to half the frame time: 1/48 second for 24 frames per second. See 180-degree shutter rule.

Try It

  1. Find a safe place with moving traffic, a walking friend or a running tap.
  2. Switch to shutter priority and set ISO to 400 or Auto ISO with a limit of 3200.
  3. Take photos of the same moving subject at 1/2000, 1/500, 1/125, 1/30 and 1/8.
  4. View each at full size. Note the slowest speed that still looks frozen, and the speed where a flowing tap turns from drops to a soft ribbon.

Common Questions

What shutter speed freezes a moving person?

A walking person is usually frozen at 1/250 second. A running person needs about 1/1000, and fast sports or birds in flight often need 1/2000 or faster. Closer subjects and longer lenses need faster speeds than distant subjects.

What is the slowest shutter speed I can handhold?

A common starting point is 1 divided by the focal length, so 1/50 for a 50 mm lens. Stabilization and steady technique can add several stops, but a moving subject will still blur at a slow speed regardless.

Why are my photos blurry at a fast shutter speed?

Fast speeds remove most shake and motion blur, so look for missed focus, a wide aperture with a shallow zone of sharpness, or a very close subject moving quickly. Check your autofocus mode and zoom in on the focus point.

Does a slower shutter speed make a photo brighter?

Yes. Each step slower doubles the exposure time, which doubles the light. You then close the aperture or lower ISO to keep brightness the same, or accept a brighter image.

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