What is camera ISO and how does it affect exposure?

    1. ISO refers to how sensitive your camera is to light, which is the most important aspect of photography.
    2. Together with aspects like aperture and shutter speed, ISO determines how bright or dark your photo is.
    3. A low ISO setting lowers the amount of light entering the lens, while a higher ISO setting increases the light.
    4. High ISO is often discouraged because it presents a risk of blurring details on photos.
    5. It is, however, appropriate when shooting pictures in limited light.
    6. Most smartphone cameras have the ISO mode on auto which means it intelligently adjusts itself.
    7. You can, however, manually set it as you explore your different camera settings.
    8. Every camera has different ISO values, with the lowest value known as the base ISO (usually 100).
    9. From the lowest, each ISO value on the scale is typically double the previous one, such as 100, 200, 400, and 800.
    10. ISO values below 300 are often appropriate for high-quality photos.


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