You've probably heard of the term ISO before. But do you know what it means? If someone told you that you need to raise your ISO settings to compensate for the diminished light, would you know what they're talking about? If you don't know, here is a quick guide, straight from the EDU Advantage Team.
The trend in cameras for many years has been towards smaller sizes. Small is good when you want a camera you can carry at all times in a pocket or purse. But, when it comes to image quality, in almost every case bigger is better.
Consider detail resolution. It’s often expressed in megapixels or numbers like 1920 x 1080. There doesn’t seem to be any particular size associated with either; they’re just numbers. A camera with a 4/3-inch-format sensor and one with a 1/3-inch-format sensor seem to have the same resolution if they have the same numbers.
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