What is the purpose of liquid nitrogen and where is it used? Feroze ----- Original Message ----- From: "T Rittenhouse" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, January 10, 2003 1:50 AM Subject: Re: Can digital capture do TIME exposures?
> Yep, a little liquid nitrogen will do wonders. > > Ciao, > Graywolf > http://pages.prodigy.net/graywolfphoto > > > ----- Original Message ----- > From: "Jostein" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Thursday, January 09, 2003 11:40 AM > Subject: Re: Can digital capture do TIME exposures? > > > > I think the ability to do long exposures depends on how much thermal > > noise the chip produces, and how well it can separate noise from > > signal. > > > > Dunno the current tech on any particular camera, but I know astro > > photographers have long embraced digital. However, I think their > > devices have some serious cooling systems. > > >
