Ok, so the first test ( a 10-second exposure) didn't show anything. I tested again, this time 2 minutes, and got a bunch. Luckily they don't show up except for very long exposures....
Christian Skofteland [EMAIL PROTECTED] ----- Original Message ----- From: "Rob Studdert" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, November 10, 2003 11:02 PM Subject: Re: Hot pixels > On 10 Nov 2003 at 21:23, Christian Skofteland wrote: > > > Hmmmm, my first ist-D had one hot pixel almost dead-center. The new one > > doesn't seem to have any. > > I've never seen a sensor that had no defects. Have a peek at the page listed > below, it contain preliminary details of a camera for telescope imaging based > on the same sensor as used in the *ist D. Of interest is the following passage > in the preliminary specs: > > "CCD quality: Grade 1 or better - No bad columns, no dead pixels, no more than > 50 'hot' pixels (saturated in <10 seconds)." > > http://www.starlight-xpress.co.uk/SXV-M25.htm > > Cheers, > > Rob Studdert > HURSTVILLE AUSTRALIA > Tel +61-2-9554-4110 > UTC(GMT) +10 Hours > [EMAIL PROTECTED] > http://members.ozemail.com.au/~distudio/publications/ > Pentax user since 1986, PDMLer since 1998 >
