On Jul 17, 2012, at 11:52 AM, Bruce Walker wrote: > Re DoF issue: are you referring to the lead car? As far as I can tell > that's all horizontal motion blur. I was relying on fixed focus and > small aperture to keep the mid-field in focus for me.
In this situation, you want to nail focus with a larger aperture, which will also give you less diffusion. Here, you could prefocus on some of the tire marks in the turn and fire when the car reaches them. Paul > > Thanks, Jack! > > > On Tue, Jul 17, 2012 at 8:47 AM, Jack Davis <[email protected]> wrote: >> Tiny DOF problem, but well composed and titled. >> >> J >> >> Jack Davis________________________________ >> http://www.pentaxphotogallery.com/artists/jackdavis >> http://www.photolightimages.com/ >> >> >> ----- Original Message ----- >> From: Bruce Walker <[email protected]> >> To: Pentax Discuss Mailing List <[email protected]> >> Cc: >> Sent: Tuesday, July 17, 2012 5:39 AM >> Subject: PESO Red means go >> >> I was invited by my K-5 shooting friend Gerrit Visser to spectate >> during "Ferrari Day" at the Canadian Tire Motor Sport Park (aka >> Mosport) Monday. Gerrit also loaned me his disused DA 55-300 as I >> don't have any long glass to speak of, besides my DA 50-200. >> >> The Ontario branch of the Ferrari Club of America books the track for >> the day and members bring their own wheels to test on it. Here's one >> decent shot I got where a couple of classic cars are entering Moss >> Corner, the hairpin comprised of turns 5a and 5b. >> >> http://www.flickr.com/bruce_m_walker/7587145124/ >> >> It's really hard to get an unobstructed sight-line here because of >> multiple safety fences. We asked a track official if we could get >> closer. After determining that we'd both signed the If You Get Killed >> By Flying Car Parts You Can't Sue Us waiver, he said sure. "Just be on >> your toes because that's a strike zone." >> >> I was able to shoot through the closest chain link fence with the DA >> 55-300mm to get some nice low angles like this one. This is uncropped, >> btw. >> >> K20D, DA 55-300/4-5.8, 300mm, f11, 1/160th, ISO 200. >> Lr 3.1, Ps CS5. >> >> -- >> -bmw >> >> -- >> 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. >> >> >> -- >> 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. > > > > -- > -bmw > > -- > 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. -- 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.
