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Some Thoughts On Shutter Speed

Shutter speed is a part of exposure.

You can set your shutter speed to vary the amount of light that falls onto your light sensitive material of choice.

  • Longer/slower shutter speed = more exposure = brighter picture
  • Shorter/faster shutter speed = less exposure = darker picture

Sometimes when I give a review during my  photography classes, photographers get the shutter speeds mixed up. Given a choice of  shutter speeds, when asked which shutter speed provides more or less exposure, sometimes photographers in the class  pick the wrong answer.

It’s a fraction thing. And if you’re not comfortable with fractions it’s easy to make a mistake.

Here’s what helped me when I was learning about shutter speed and exposure and I hope it will help you.

  1. Think of, or look at, a one inch mark on a ruler.
  2. You can break an inch into 1/2 inch, 1/4 inch, 1/8 inch, 1/16 inch,etc..
  3. Do you understand and agree that 1/16 inch is  the smallest  increment of a inch listed?
  4. If you understand and agree that 1/16-inch is the smallest increment of an inch listed, then you understand shutter speed.
  5. Shutter speed is an increment of time, instead of an increments of space.

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