So in this analogy, the hole in the bucket is the aperture, the amount of time the hole is open is the shutter speed, the water pouring in is light, and a full bucket of water is a properly exposed image. Conversely, the larger the hole, the shorter amount of time the hole would need to be open in order to fill the bucket. The smaller the hole at the top, the longer the hole would need to be open in order to fill the bucket with water. In its most basic sense, you can think of exposure as a bucket with an adjustable hole that opens and closes at the top and a continuous stream of water pouring into the bucket. Therefore, an f/1.4 is a very large opening while f/22 is a very small opening. So even though 1/50 is greater than 1/200, the “higher” shutter would be 1/200.Īperture – Like shutter speeds, aperture is also stated in fractions, so it’s important to know that the smaller the number the bigger the opening. However, when people say “higher shutter speeds,” they’re referring to the faster shutter speed, not mathematically higher numbers. Shutter Speed – Shutter speeds are expressed as fractions of a second, so 1/50 is a longer period of time than 1/200. This is an except directly from the Photography 101 Workshop.Įxpanded Explanation of the Exposure Triangle Watch the video below to see how Pye explains the exposure triangle. Watch Understanding Exposure With The Exposure Triangle Below is a sample of what you’ll learn from Photography 101. If you would rather learn via video or want to learn more, make sure you check out the SLR Lounge Photography 101 Workshop, where we show you how to create awesome images with basic gear, teach you how to move from the auto modes to manual mode and more on that tricky exposure triangle. You can download the card on the Fotoblog Hamburg site here. It is formatted for printing on a business card sized piece of paper to easily fit in your pocket when out practicing these concepts. The card is meant to show you a basic overview of aperture, ISO and shutter speed, but doesn’t go into much detail of what it all means. Daniel Peter of Fotoblog Hamburg has created this free downloadable cheat sheet card for beginner photographers in easy to understand diagrams. This handy chart below would have saved me much time and tears if it were available eight years ago. (Note: Check out our friends at photzy for more free photography cheat sheets). One day, the light bulb finally clicked and I was on my way. I was drowning in diagrams and photos that I took at different ISO/shutter speed/aperture combinations. I had pages and pages of notes taken from Bryan Petersen’s Understanding Exposure. Trying to wrap my mind around the relationship between these three concepts when I was just starting out was rough.
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