Thanks! How long can you keep the shutter open on these cameras? Don't the electronic shutters burn out eventually if you keep them open for too long?
Amita On 8/23/07, Tom C <[EMAIL PROTECTED]> wrote: > I should have said "the best for this application at a reasonable price". > > Tom C. > > > > >From: "Tom C" <[EMAIL PROTECTED]> > >Reply-To: Pentax-Discuss Mail List <[email protected]> > >To: [email protected] > >Subject: Re: OT: DPR Nikon D3, Full-Frame, previewed > >Date: Thu, 23 Aug 2007 13:02:26 -0600 > > > >The main thing is their extremely low noise characteristics. Noise will > >build up in any sensor of course, but of all the DSLR's out there, the > >Digital Rebels and the 5D are recognized as the best. There's also > >hardware > >(filter mods) and control software that's been written for them > > > >Surpassing them are the dedicated, cooled, CCD cameras specifically > >designed > >for astrophotography, that both record the image and send guiding signals > >to > >the scope's computer, off of one chip. > > > >Tom C. > > > > >From: "Amita Guha" <[EMAIL PROTECTED]> > > >Reply-To: Pentax-Discuss Mail List <[email protected]> > > >To: "Pentax-Discuss Mail List" <[email protected]> > > >Subject: Re: OT: DPR Nikon D3, Full-Frame, previewed > > >Date: Thu, 23 Aug 2007 14:27:52 -0400 > > > > > >On 8/23/07, Tom C <[EMAIL PROTECTED]> wrote: > > > > > > > Viewfinder > > > > aside, they are a standout in astrophotography circles, with the most > > >bang > > > > for the buck of any DSLR. > > > > > >Tom, why are the Digital Rebels good for astrophotography? I thought > > >mechanical shutters were still the best thing for astrophotography. > > > > > >Thx, > > >Amita > > > > > >-- > > >PDML Pentax-Discuss Mail List > > >[email protected] > > >http://pdml.net/mailman/listinfo/pdml_pdml.net > > > > > > > >-- > >PDML Pentax-Discuss Mail List > >[email protected] > >http://pdml.net/mailman/listinfo/pdml_pdml.net > > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
