Skip to main content

Watch how aperture, shutter speed, ISO influence camera exposure in this video

photography 101 learn aperture shutter speed iso influence exposure educational video triangle creativelive
Image used with permission by copyright holder

Photography can be so much more expressive when you venture beyond point-and-shoot. For newbies stepping up to a more capable camera, such as an advanced compact, a mirrorless compact system camera, or a DSLR, they may at first be overwhelmed by the sheer endless amount of settings that can be done manually, versus the convenience of the automatic mode of a pocket camera or smartphone. Yes, photography is partly about what you capture, not how you capture it. But for anyone serious about creating beautiful photography – where you are in charge of the camera – one thing you should learn and understand is the so-called “exposure triangle.”

We’ve written about exposure, in great length. But basically, the exposure triangle takes into account three of the most important basic settings of your camera, all which are important to keep track of in order to get a good exposure. This holy trinity are the aperture of the lens, the shutter speed, and the ISO value. By opening up or closing down the aperture, you exert control over how much light enters the camera in a given amount of time. Which leads us to the shutter speed, which states how long the camera’s shutter will stay open to expose the sensor. And finally, the ISO value influences how bright an image will turn out given a specific aperture setting and shutter speed.

When setting your camera to an automated shooting mode, the internal software takes care of all relevant exposure parameters. However, once you want to be in control of what your camera does, understanding how these parameters interact with each other is paramount. The video from CreativeLive below takes you on a tour of the exposure triangle, and demonstrates how it can be applied to the scenario of freezing the motion of a bird in flight.

There are, of course, many more possible shooting scenarios, but once you’ve understood how the exposure triangle works, you should be able to apply it to your own photography. Learning to master manual exposure will eventually help you to get the best possible results under all circumstances, especially when your camera’s auto mode or scene modes won’t do the trick. The best part is, with digital cameras, you can’t mess up – experiment as much as you want, until you feel you have control over the camera, not the other way around.

As technology evolves and improves, many believe that exposure triangle will no longer be needed in future cameras – that the camera’s auto mode will be that much smarter. In the meantime, learning about exposure will help you create photography that is uniquely yours.

(Via PetaPixel)

Editors' Recommendations

Felix Esser
Felix is a freelance tech journalist with a strong focus on photography. Based out of central Germany, he contributes to…
How to remove location data from your iPhone photos
How to transfer photos from an iPhone to an iPhone

We all love making memories, and a great way to collect those memories is to take a quick snap of a gorgeous landscape, a party in full swing, or a particularly incredible meal. The Apple iPhone now also adds a location to your pictures, meaning it can collate those images together into a location-themed album, or show you all the shots you've taken in a specific location. It's a fun little addition, and it's one that adds a lot of personality to the Photos app.

Read more
‘Photoshopped’ royal photo causes a stir
The Princess of Wales with her children.

[UPDATE: In a message posted on social media on Monday morning, Princess Kate said that she herself edited the image, and apologized for the fuss that the picture had caused. “Like many amateur photographers, I do occasionally experiment with editing," she wrote, adding, "I wanted to express my apologies for any confusion the family photograph we shared yesterday caused."]

Major press agencies have pulled a photo of the U.K.’s Princess of Wales and her children amid concerns that it has been digitally manipulated.

Read more
Nikon sale: Get up to $700 off select Nikon cameras and lenses
nikon d780 review product  1

Crutchfield has a huge sale on many different Nikon cameras with some of the best camera deals that we’ve seen in a while. With nearly 30 different items in the sale, the best thing that avid photographers can do is take a look for themselves. However, if you want a little insight before you dive in, take a look at what we have to suggest below.

What to shop for in the Nikon sale
Nikon makes some of the best DSLR cameras around with our overall favorite -- the -- available for $2,197 reduced from $2,297. The camera is perfect for both photographers and videographers with a 24.5-megapixel full-frame image sensor. Its rugged magnesium-alloy body is weather-sealed against dust, dirt, and moisture so it’s great for all occasions. The Nikon EXPEED 6 image processor is optimized for low-light performance while maintaining long battery life with an autofocus sensor module with support for 51 focus points. You just need to add a lens to reap the benefits with features like the 273-point phase-detection AF system detecting and tracking subjects throughout the entire frame.

Read more