Why are digital camera sensor sizes specified like 1/1.7' or 1/2.5' (a form of number so unusual I can't even think of a word for it)? - Quora
![CCD (Image Sensor) Pixel Count and Size | Digital Camera Know-Hows | Digital Camera | Digital AV | Support | Panasonic Global CCD (Image Sensor) Pixel Count and Size | Digital Camera Know-Hows | Digital Camera | Digital AV | Support | Panasonic Global](https://av.jpn.support.panasonic.com/support/global/cs/dsc/knowhow/common/img/l26/26_3_01.jpg)
CCD (Image Sensor) Pixel Count and Size | Digital Camera Know-Hows | Digital Camera | Digital AV | Support | Panasonic Global
![Behind the Lens: When it comes to a camera's sensor size, bigger usually better | News, Sports, Jobs - Lawrence Journal-World: news, information, headlines and events in Lawrence, Kansas Behind the Lens: When it comes to a camera's sensor size, bigger usually better | News, Sports, Jobs - Lawrence Journal-World: news, information, headlines and events in Lawrence, Kansas](https://ogden_images.s3.amazonaws.com/www.ljworld.com/images/2012/05/21183608/behind_sensor_size.jpg)