• 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.

critical_focus_test

Joined
Aug 23, 2008
Messages
258
Location
Roeland Park, Kansas. (Kansas City)
I've been running more tests to see how lenses perform in difficult situations. In particular I'm interested in knowing when and how the auto-focus fails in low light or low contrast situations. Skies/horizon lines often have mushy contrast especially toward sundown. This test was with bright hazy light right before sunset (shooting east). No foreground obstructions. I fired off 32 exposures. 13 (40%) were sharp. 19 were slightly soft or just plain out of focus. Canon 24mm f2.0 1/200. 100% enlargement.

If I want to be sure the lens is properly focused on infinity I will have to put it there manually.

critical_focus_test.jpg
 
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