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Mastering ISO: Control Light Sensitivity in Your Camera for Stunning Photography

Learning how to control the ISO setting in your camera is crucial for managing light sensitivity in photography. ISO numbers like 100, 200, 400, and beyond effectively double sensitivity with each step. For example, ISO 400 is twice as sensitive as ISO 200. This means faster shutter speeds can be achieved, allowing you to freeze motion and avoid blur. Understanding ISO adjustments can mean the difference between capturing a crisp image of fast-moving subjects or losing detail to motion blur. Explore how changing ISO impacts exposure and improves your photography.

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Mastering ISO: Control Light Sensitivity in Your Camera for Stunning Photography

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  1. ISO Learning how to control light entering your camera

  2. the ISO sequence is: 100, 200, 400, 800, 1600, 3200, 6400 and etc. • each step between the numbers effectively doubles the sensitivity of the sensor. • ISO 200 is twice more sensitive than ISO 100, while ISO 400 is twice more sensitive than ISO 200. • ISO 1600 sixteen times more sensitive to light than ISO 100 • It means that it needs sixteen times less time to capture an image!

  3. ISO Speed Example:ISO 100 – 1 secondISO 200 – 1/2 of a secondISO 400 – 1/4 of a secondISO 800 – 1/8 of a secondISO 1600 – 1/16 of a secondISO 3200 – 1/32 of a secondIn the above ISO Speed Example, if your camera sensor needed exactly 1 second to capture a scene at ISO 100, simply by switching to ISO 800, you can capture the same scene at 1/8th of a second or at 125 milliseconds! That can mean a world of difference in photography, since it can help to freeze motion.

  4. I captured these Black Skimmers at 1/2000th of a second at ISO 800. My camera sensor only needed 1/2000th of a second to fully capture this photograph. Now what would have happened if I had ISO 100 on my camera instead? My sensor would have needed 8 times more time to capture the same scene, which is 1/250th of a second. At that speed, I would have introduced motion blur into my picture, because the birds were moving faster than that. In short, I would have ruined the picture.Read more: http://photographylife.com/what-is-iso-in-photography#ixzz2RlWn6JZy

  5. I set the camera to the lowest ISO to retain the detail, which also resulted in a long exposure of 5 seconds. My nephew sat still, while my friend stepped in for a brief moment to introduce the ghost :)

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