On a sunny day you can use a lower ISO. On cloudy days you have to increase your ISO. Indoor have even lesser light and if you don’t have a flash, you can increase the ISO.
Best ISO to use for Any Camera
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- 100 or 200 best ISO for outside pictures on a sunny and bright day
- 400 ISO for cloudy days, or indoors for window light portraits
- 800 ISO for indoors without a flash
- 1600+ ISO for really low light situations – that school play your kid is in