Photography is all about light. The amount of light hitting your sensor (or film if you are using a film camera) will determine how bright or dark your image is. Understanding light is the key to producing compelling photos.
In photography, light is controlled by the “exposure triangle”, which is made up of ISO, aperture, and shutter speed. These three components act together to determine exposure and understanding how they work will help take your photography to the next level.
What Is Shutter Speed: Understanding ISO and Aperture
ISO is how sensitive your sensor is to light. Higher ISOs allow a sensor to absorb more light—but they also introduce more noise to the photo. Aperture is a measure of the amount of light allowed to hit an image sensor. The wider the aperture, the shallower the depth of field, and the more light that comes in. Shutter speed is how long your shutter remains open.
Shutter speeds generally range from as fast as 1/4000th of a second to as long as 30 seconds. A fast shutter speed lets in less light and gives the effect of freezing an object in motion. Fast shutter speeds (such as 1/2000th of a second) are especially useful in bright light or when trying to capture photos of things that are moving fast, such as athletes and wildlife. Slower shutter speeds are good in low light when you need to let more light in or any time you want the effect of blur and movement. All those pictures you’ve seen of waterfalls and rivers that are blurred to oblivion? Those were taken with slow shutter speeds (and probably ND filters—which we’ll talk about later).
How It Works
ISO, shutter speed, and aperture work together to determine exposure. When you make an adjustment to one, you need to make the opposite adjustment to one of the others if you want to maintain consistent exposure. Say, for example, you have your exposure dialed in but you decide you want a faster shutter speed to freeze the frame even more. Increasing the shutter speed will mean that less light will be hitting your sensor. To compensate for this, you will need to use a wider aperture or higher ISO to keep a correct exposure.
Most digital cameras let you control shutter speed and aperture in 1/3, 1/2, and full stop increments. Each has its own advantages and which one you choose to use is largely a matter of preference. Most cameras come with 1/3rd stop increments as the default setting and a very large number of photographers never stray from it. Shooting in 1/3rd increments has the advantage of letting you fine-tune your exposure while 1/2 stop increments tend to be a little more intuitive.
Selecting the right shutter speed largely comes down to knowing what your subject is and what your goal is in taking the photo. For example, if you’re taking photos of athletes you may want to use a very fast shutter speed to freeze the action or a longer one to add a little bit of blur and give the feeling of motion.
This chart gives you an idea of what various shutter speeds can be used for. Keep in mind, however, that this is only a starting point and that these values still need to be balanced against aperture and ISO to make sure that enough light is hitting the sensor. A fast shutter speed won’t work in low light situations due to the lack of light and a super long exposure won’t work in bright light without the use of a filter. This chart is just a starting point.
Suggested Shutter Speeds
Deciding which shutter speed to use will be a matter of trial and error depending on how fast your subject is moving and what the available light is. Using shutter speed to your advantage will depend on having an understanding of what you are going for. Do you want to freeze the action of that athlete or do you want to give your image a sense of motion? Decide what you want, consult the chart, and then start tweaking.
If you find that the image is blurrier than you would like, use a faster shutter. If things are too crisp and you’re wanting to give a sense of motion or chaos, slow your shutter down. It is important to keep in mind, however, that shutter speed is always balanced against ISO and aperture so if you want to use a fast shutter to stop the action in low light, you’re going to need to a wider aperture, a higher ISO, or both.
Some things to consider when learning to select shutter speeds:
Shutter speed and focal length
Something to keep in mind when choosing your shutter speed is that the longer your shutter is open, the better the chances of camera shake blurring your photos. This is especially true when shooting with a longer lens. As a rule of thumb, your shutter speed should not exceed your lens’ focal length when you are shooting handheld. For example, if you are shooting with a 200mm lens, your shutter speed should be 1/200th of a second or faster to produce a sharp image. If your shutter speed will be slower than the length of your lens, it may be time to break out the tripod. Image stabilization in your camera or lens may also help negate some of this shake.
Learn in shutter priority mode
Using your camera’s shutter priority mode (“TV” on Canon, “S” on Nikon) is a great way to gain an understanding of the effect different shutter speeds can have on your images. Shutter priority mode allows you to select the shutter speed you want while the camera figures out the ISO and aperture for a proper exposure. Spend some time playing with the shutter priority mode to see what happens to your images when you speed up or slow down the shutter speed.
Use neutral density filters for longer exposures
Want to use a long exposure but your image is too bright? Even at the lowest ISO and narrowest aperture? You may want to try a neutral density (ND) filter. ND filters are simply pieces of glass that fit on the front of your lens. They cut down on incoming light. ND filters allow you to take those long exposures that blur waterfalls and smooth out ocean waves. They are useful if you want to take a long exposure on a bright day to show movement in clouds.
Shutter Speed Chart (time in seconds)
| Full Stops | 1/2 Stops | 1/3 Stops |
|---|---|---|
| 1/8000 | 1/8000 | 1/8000 |
| 1/6400 | ||
| 1/6000 | ||
| 1/5000 | ||
| 1/4000 | 1/4000 | 1/4000 |
| 1/3200 | ||
| 1/3000 | ||
| 1/2500 | ||
| 1/2000 | 1/2000 | 1/2000 |
| 1/1600 | ||
| 1/1500 | ||
| 1/2500 | ||
| 1/1000 | 1/1000 | 1/1000 |
| 1/800 | ||
| 1/750 | ||
| 1/640 | ||
| 1/500 | 1/500 | 1/500 |
| 1/400 | ||
| 1/350 | ||
| 1/320 | ||
| 1/250 | 1/250 | 1/250 |
| 1/200 | ||
| 1/180 | ||
| 1/160 | ||
| 1/125 | 1/125 | 1/125 |
| 1/100 | ||
| 1/90 | ||
| 1/80 | ||
| 1/60 | 1/60 | 1/60 |
| 1/50 | ||
| 1/45 | ||
| 1/40 | ||
| 1/30 | 1/30 | 1/30 |
| 1/25 | ||
| 1/20 | ||
| 1/20 | ||
| 1/15 | 1/15 | 1/15 |
| 1/13 | ||
| 1/10 | ||
| 1/10 | ||
| 1/8 | 1/8 | 1/8 |
| 1/6 | 1/6 | |
| 1/5 | ||
| 1/4 | 1/4 | 1/4 |
| 0.3 | 0.3 | |
| 0.4 | ||
| 0.5 | 0.5 | 0.5 |
| 0.6 | ||
| 0.7 | ||
| 0.8 | ||
| 1 | 1 | 1 |
| 1.3 | ||
| 1.5 | ||
| 1.6 | ||
| 2 | 2 | 2 |
| 2.5 | ||
| 3 | ||
| 3.2 | ||
| 4 | 4 | 4 |
Summary
Learning to select the proper shutter speed may seem like a daunting task. Once you understand how shutter speeds impact images, it is a powerful tool. Get out of your camera’s automatic modes and experience more creative control.
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Hi,
I bought a black and white film ISO 50. The “ideal” shutter speed should stay in 1/30? And then I use the opening 8 for kind of cloudy days, 16 for sunny days? I’ve always been using ISO 400 or 200 so I’m kind of lost!
Thanks.
i would like to understand the use of the spot meter and the angles, Iit has not been answered. please can someone enlighten me?
Here are a few articles that talk about metering:
https://www.borrowlenses.com/blog/learning-to-leave-the-matrix-a-tip-on-dslr-light-metering/
https://www.borrowlenses.com/blog/graduation-photography/
https://www.borrowlenses.com/blog/handle-cameras-metering-snow/
Hi people! I recently bought an a new spotmeter ( Minolta spotmeter F ). I’m working mostly on videos. I’m trying to understand how to calculate the difference between shutter speed and shutter angle. The problem is, whenever I’m shooting a video I have to set my shutter angle at 180 degrees, my spotmeter can achieve 1/30 to 1/60. The correct number it’ll be 1/50 ( for 180 degrees ). And finally there is the question, how many stops I have to subtract from 1/60?
Hope everything’s clear, otherwise I’ll be happy to clarify the problem with more accuracy!
Thanks!!
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Thanks, i have read all the topics you have covered. Very helpful. (India)
Today I tried to capture a static water and I was trying to get a blurry effect but I kept on getting highly over-exposed photos despite of setting my WB and Exposure.
I was trying with 30 Sec, F16 to 22 and ISO 100 to 800. I was using shutter priority mode.
I guess my Shutter speed was too slow.
What do you think went wrong? Can you please advice what settings are apt to capture and get blurry effect of a static lake?
If you’re shooting in the middle of the day, sometimes stopping down your f-stop and keeping your ISO low is still not enough to counter the exposure effects of having a very slow shutter speed. To prevent more lighting coming in than you need, I recommend putting a neutral density filter on your lens. This will help darken the scene overall, allowing you to use a slow shutter in broad daylight without overexposure. A variable neutral density filter will be most useful, as it will allow you to control the level of darkening with a simple turn of the filter, so you can experiment with how much is required. Here is a good breakdown of the process: https://www.borrowlenses.com/blog/tip-of-the-week-use-nd-filters-to-blur-motion/
Thank you! This article really helped. Think of any further advice I might need?
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“ISO is how sensitive your sensor is to light. Higher ISOs allow a sensor to absorb more light …” As quoted above.
That’s a common misconception – but it’s factually incorrect. It’s OK for a simplistic understanding, I guess – but still wrong (IMHO) to perpetuate a myth.
In fact, and counter-intuitively, setting a higher ISO (all else being equal) will actually result in the sensor receiving LESS light (due to the shorter exposure resulting from increasing ISO).
What ISO does is determine the amount of amplification/boost that’s applied to the signal coming from the sensor – so that the captured image appears at the expected level of brightness.
Unfortunately, a lot of electronic “noise” is amplified along with the “good” signal – – and that’s why images captured with high ISO contain more visual-noise.
That is very interesting, counter-intuitive piece of information. Than you!
This is just what i was looking for; I’m from Melbourne Australia. I would like to learn how to take photos of players from the AFL team i support the Melbourne Demons. As it’s a fast game trying to get photos can be hard, but i haven’t given up; i’m trying to learn all that i possible can and came across your blog. It’s great how you have explained shutter speed.
Thank you
i m from india. I want to know sir how to get detailed photos in outdoor. Will flash or umbrella need for it. When i shoot shutter speed 1/250 my picture only black and iso 400 my oictures noisy.. Pls suggest me…
Mayur,
What was your f stop when you had 1/250 SP and ISO at 400?
In my opinion, you are getting dark pictures due to high f number.