Archived posting to the Leica Users Group, 2005/04/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]on 11/4/05 9:40 am, Phong at phong@doan-ltd.com wrote: > For example, the Canon 1Ds (version 1) has a big sensor, > but the image quality at high ISO/longer exposure is not as good > as, say the Canon 20D. One reason for this is because the CMOS > chip used in the 20D consumes less power and generates > less heat than the CCD sensor on the D1s. Heat is a noise > generator for the sensor. The Canon 1D had a 4mp CCD sensor, the 1Ds had a 11mp CMOS sensor.