Photography aperture and shutter speed relationship

Photography Basics Aperture, Shutter speed, and ISO | Improve Photography

photography aperture and shutter speed relationship

Understanding the relationship between aperture and shutter speed will help Photography is all about getting the correct quantity of light for a given picture. Those tools are shutter speed, aperture, and ISO. After I explain what each one does, I'll explain why we need three separate tools to control the brightness or. Photography and Camera News, Reviews, and Inspiration. These are: aperture , shutter speed and ISO. By the end of this tutorial, you should.

Around 9AM on a cloudy day, I found a small group of bighorn sheep and started photographing them with a long mm lens. The early hour and clouded sky made the situation quite dark for shooting.

This also impacted the depth-of field to blur out the rocks behind the bighorn sheep.

photography aperture and shutter speed relationship

Next, I set my shutter speed. I knew that this fast of a shutter speed would prevent any motion blur from the sheep running on the mountain side.

photography aperture and shutter speed relationship

Then, I took a picture. I couldn't compromise my shutter speed or aperture, so I knew I needed to use the third player in the exposure triangle—the ISO.

Understanding the Relationship between Aperture and Shutter Speed

I played around with my ISO and found that if I increased it to ISOit made the picture bright enough to take the picture without making it overly grainy. The semi-automatic exposure modes - Aperture Priority, Shutter Priority and Program - give you more control over how you expose the shot, each in a different way; while Manual mode gives you full responsibility over aperture, shutter speed and ISO.

  • How to Use Shutter Speed and Aperture Together When Using Manual Mode
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Although there might be a preferable exposure, there are a number of ways in which to achieve it. It's all about balance: Which combination you choose is down to the look you want to achieve: Do you want moving objects to be razor-sharp or have motion blur?

That's a lot to think about If you choose to shoot in one of the semi-automatic modes, the camera does most of the donkey work for you.

photography aperture and shutter speed relationship

Once you set an aperture in Aperture Priority mode, for example, the shutter speed will be set automatically. If you decide to change the aperture, the camera will adjust the shutter speed accordingly to maintain the same exposure.

Understanding the Relationship between Aperture and Shutter Speed

It's a similar story with Shutter Priority mode: You can even use the Auto ISO option to let the camera handle that choice of sensitivity too. In Program mode, you can simply shift the combination of aperture and shutter speed with a spin of the camera's control dial. Of course, all of these adjustments rely on the camera having achieved the optimum exposure reading to begin with - and, as we learned last issue, this doesn't always happen. This is where exposure compensation plays a part.

Speaking of exposure only, it doesn't make any difference which combination you use. But in other ways, it does make a difference, and it is just this difference that gives you some creative opportunities.

Whether you know it or not, you're always balancing camera or subject movement against depth of field because a change in one causes a change in the other.

photography aperture and shutter speed relationship

As you've seen, shutter speeds and apertures each have a standard series of settings called "stops". With shutter speeds, each stop is a second or more, or a fraction of second indicating how long the shutter is open. The stops are arranged so that a change of 1 stop lets in half or twice the light of the next setting.

CAMERA BASICS - Aperture, Shutter Speed, and ISO