• After witnessing the continued decrease of involvement in the SpotterNetwork staff in serving SN members with troubleshooting issues recently, I have unilaterally decided to terminate the relationship between SpotterNetwork's support and Stormtrack. I have witnessed multiple users unable to receive support weeks after initiating help threads on the forum. I find this lack of response from SpotterNetwork officials disappointing and a failure to hold up their end of the agreement that was made years ago, before I took over management of this site. In my opinion, having Stormtrack users sit and wait for so long to receive help on SpotterNetwork issues on the Stormtrack forums reflects poorly not only on SpotterNetwork, but on Stormtrack and (by association) me as well. Since the issue has not been satisfactorily addressed, I no longer wish for the Stormtrack forum to be associated with SpotterNetwork.

    I apologize to those who continue to have issues with the service and continue to see their issues left unaddressed. Please understand that the connection between ST and SN was put in place long before I had any say over it. But now that I am the "captain of this ship," it is within my right (nay, duty) to make adjustments as I see necessary. Ending this relationship is such an adjustment.

    For those who continue to need help, I recommend navigating a web browswer to SpotterNetwork's About page, and seeking the individuals listed on that page for all further inquiries about SpotterNetwork.

    From this moment forward, the SpotterNetwork sub-forum has been hidden/deleted and there will be no assurance that any SpotterNetwork issues brought up in any of Stormtrack's other sub-forums will be addressed. Do not rely on Stormtrack for help with SpotterNetwork issues.

    Sincerely, Jeff D.

Hot pixels

Joined
Dec 9, 2003
Messages
4,839
Location
Oklahoma
I've noticed numerous hot pixels from my EOS20D when exposure time increases beyond 1 sec. I know hot pixels are an unfortunate reality of digital photography, but how many are "normal"? I've noted it being an issue when taking extended-exposure lightning shots (>5 sec exposure). I know you can clone them out in an image editing application, and some have reportedly run across a method by which the newer Canon digital cameras automatically map dead / hot pixel when left in "Clean sensor" mode with lens cap and lens on.

At any rate, I downloaded the "Dead/Hot Pixel Test" program from THIS PAGE...I took a shot, with the lens cap on, at f/7.1, 20 sec., and ISO 200, then converted it from RAW to an 8-bit TIFF image using RawShooter. Loading it into the hot pixel program, and using the default thresholds of 60 and 250 (for hot and dead pixels, respectively), I found the following: 0 dead pixels / 41 hot pixels. This matches well with my full zoom inspection of the image(s). Is this in line with what you guys are getting? Just curious... Thanks!
 
Just glancing at some photos from 2004, with my old rebel the same year I bought it, I have far more than 41 dead or hot pixels. It's at least double that. That was with the original rebel. Now with the xt, in the second year I've had it, I still have several, but probably half my old one, or less.
 
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