Hi If you put enough shots through the same area, there's nothing left to show a hole.
Bob On Nov 1, 2010, at 10:14 PM, Mike Feher wrote: > Stupid question here - why would an optical setup not see the hole? After > all, is that not how the shooter found the bulls eye to begin with, through > an optical scope. Regards - Mike > > Mike B. Feher, EOZ Inc. > 89 Arnold Blvd. > Howell, NJ, 07731 > 732-886-5960 office > 908-901-9193 cell > > -----Original Message----- > From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On > Behalf Of Bob Camp > Sent: Monday, November 01, 2010 10:09 PM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] A real world project need for timing accuracy... > > Hi > > Two gotchas, one minor, the other a bit bigger. > > At 800 yards, even a *very* good optical setup can't / won't see holes in a > target. The atmosphere is just to unstable. You would have to mount the > camera down range (minor issue). > > The larger one is that you really don't want to truck down a half mile of > path to put up a new piece of paper. After a while the "target" gets pretty > ragged. There's not much for the optics to pick up, especially if you have > good groups. > > Cool idea though .... > > Bob > > > On Nov 1, 2010, at 10:04 PM, Predrag Dukic wrote: > >> >> Why not using optical methods for shot grouping? >> >> A cheap web camera with equally cheap telescopic lense can resolve 1mm. >> Some image processing software can find shot positions within the 1kx1k > pixel bitmap.... etc.. >> > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.