I'm gonna do the 'Cotty Pixel Test' tonight hopefully. Should I be testing with noise reduction turned off or on?
Rob > -----Original Message----- > From: Cotty [mailto:[EMAIL PROTECTED] > Sent: 15 December 2003 14:31 > To: pentax list > Subject: Re: *istD hot pixels at 3200 ISO > > > On 14/12/03, [EMAIL PROTECTED] disgorged: > > >> I checked out a *istD on Saturday. I took a photo with the > lenscap on > >> and a fast shutterspeed, and it had 3 hot pixels at ISO > 3200, none at > >> 200. Another *istD had 2 or 3 hot pixels at ISO 1600. > >> > >> Am I just unlucky, or do I have na�ve expectations about digital > >> cameras, or am I a walking source of electromagnetic interference? > >> > >> Do any of the *istD owners on this list have a flawless CCD? > >> > > > >Are you kidding? Thats great performance. > >I doubt very much if it is even possible to get a flawless sensor > > <rises to challenge> > > Okay, just did a range of tests on my D60, out of curiosity. > > With body cap in place, I exposed for: > > 1/30 sec at 100 ISO - can't see any stuck pixels, nice and > black, even at maximum magnification. > > 1/30 sec at 800 ISO - 1 stuck pixel > > 10 seconds at ISO 100 - 2 stuck pixels > > 10 seconds at (max) ISO 1000 - 12 stuck pixels. > > > > > > Cheers, > Cotty > > > ___/\__ > || (O) | People, Places, Pastiche > ||=====| www.macads.co.uk/snaps > _____________________________ > Free UK Mac Ads www.macads.co.uk > > >
