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A 21mm measurement is roughly equivalent to the diameter of a small coin, such as a quarter or a large button. In terms of visual size, it is about the width of a standard paperclip or slightly larger than the size of a typical fingernail. In Photography, a 21mm lens would provide a wide-angle view, capturing more of the scene than a standard lens. Overall, 21mm is a compact size that can be easily conceptualized with everyday objects.

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AnswerBot

2w ago

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