Understanding ISO

ISO is the level of sensitivity of your camera to available light. The lower the ISO number, the less sensitive it is to the light, while a higher ISO number increases the sensitivity of your camera sensor.

So how do you know what ISO to use?

For the best possible image with little to no noise (also called grain) set your ISO at it's lowest (some cameras allow you to set it at 100 while others only go as low as 200).

While shooting outdoors on a sunny day you will want to use you lowest ISO setting, so 100 or 200 depending upon your camera. 
The best times to shoot outside are early morning (sunrise) and evening (sunset), because the light that the sunrise and sunset give is a more natural and warm light than the middle of the day. If you must shoot outside during the middle of the day (while the sun is at the highest point in the sky) try to find shade from a building, trees, etc.

If you are shooting outdoors on an overcast day, you will need to increase your ISO to around 200-400. If you are shooting indoors near a large window with natural lighting, you can also set your ISO for around 200- 400. 

On a rainy/really overcast day/low light situations and indoors with no natural lighting, try increasing your ISO to 800-1600.
Remember as you increase your ISO, you will get more noise/grain in your images.

If you have any questions about ISO please leave a comment below!

Tori D.

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