How to Read Image Sensor Size Labels: Why 1 Inch Means 16mm
A 1-inch sensor measures 16mm diagonally, not 25.4mm. Converted to area, 1/1.3" and 1/1.4" differ by 16%, and 1/2.55" is three times smaller.
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A 1-inch sensor measures 16mm diagonally, not 25.4mm. Converted to area, 1/1.3" and 1/1.4" differ by 16%, and 1/2.55" is three times smaller.