I assume it also depends on temperature: higher temp is more noise. Frits W�thrich
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Juan J. Buhler > Sent: Friday, February 15, 2002 12:37 AM > To: [EMAIL PROTECTED] > Subject: Re: Digital "grain" ? > > > On Thu, 14 Feb 2002, alex wrote: > > > >Besides the higher resolution, my hypothetical digital camera would > > >let me change the ISO on a per-frame basis, so I'll be able to shot at > > >the lowest possible speed, thus minimizing grain. > > > > Given the sensor technology in digital cameras, isn't the > "grain" question > > only a function of the definition of the camera, i.e. you > cannot change it > > ? Or am I missing something ? > > The "grain" (digital sensor noise, actually) depends on the ISO > selected. Basically, the stronger the signal (light), the least > important noise will be in the final stored value. > > I'm not an expert on digital cameras, but that's the way it works if > I'm not mistaken. > > j - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
