On Nov 20, 2010, at 1:47 PM, Charles Robinson wrote: > On Nov 20, 2010, at 15:24, Larry Colen wrote: > >> Thanks all for your comments. >> >> Ann, I did some pixel peeping on other photos in the set looking for >> evidence of tripod shake. I think that one problem I'm having is accurately >> focusing the 20/1.8 in the dark. I suspect that infinity is not exactly >> infinity. On my cameras auto focus won't work in that light, and I didn't >> bring my laser pointer. >> > > This is going to sound odd, but the last time I did long exposures at night, > I found that using the Live View was a great way to quickly get my little > points of light in the distance to be as tiny (thus, in-focus) as possible > with a minimum of fuss.
I tried that, but couldn't see anything in live view, I'll have to try again and see what it takes to get it to work. > > That and stopping down to f/8 or so. Good point, but I was already exposing at 30 seconds. > > -Charles > > -- > Charles Robinson - [email protected] > Minneapolis, MN > http://charles.robinsontwins.org > http://www.facebook.com/charles.robinson > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- Larry Colen [email protected] sent from i4est -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
