Archived posting to the Leica Users Group, 2008/11/12
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Darn that spell check! Didn't one of Weston's kids use one? s.d. On Nov 12, 2008, at 3:37 PM, Bob Adler wrote: > Certainly a wonderful tool Slobodan! > Bob Adler > Palo Alto, CA > rgacpa@yahoo.com > http://www.raflexions.com > > > > > ________________________________ > From: slobodan dimitrov <s.dimitrov@charter.net> > To: Leica Users Group <lug@leica-users.org> > Sent: Wednesday, November 12, 2008 3:24:17 PM > Subject: Re: [Leica] IMG: Fall Colors at Pt. Lobos > > I always felt that Point Lobos was bets captured with a Rollei SL66. > Big negs, with a tilting lens board, it doesn't get any better than > that. > s.d. > > On Nov 12, 2008, at 3:19 PM, Bob Adler wrote: > >> Frank, >> The TS-E 24mm f3.5L lens rotates, so when I have the camera in >> portrait orientation, I rotate the lens so that the tilt is in the >> verticle plane and the shift is horizontal. The lens rotates in >> 45deg increments so, from what you are suggesting, I should have >> rotated it 45deg off the verticle to the right (as I view the scene) >> (clockwise from my position behind the camera). >> I believe the minimum aperture is f22, but I don't have the lens in >> front of me. >> So I think I have it now; the image is soft: should have rotated >> the tilt slightly clockwise and used the maximum DOF. Good to know! >> Thanks very much for the help, Frank, >> Bob >> Bob Adler >> Palo Alto, CA >> rgacpa@yahoo.com >> http://www.raflexions.com >> >> >> >> >> ________________________________ >> From: Frank Filippone <red735i@earthlink.net> >> To: Leica Users Group <lug@leica-users.org> >> Sent: Wednesday, November 12, 2008 1:02:57 PM >> Subject: RE: [Leica] IMG: Fall Colors at Pt. Lobos >> >> Tilt and shift might work, but you need your planes in the right >> orientation >> to each other and to the camera In this case, you have a slightly >> diagonal >> plane of interest and a background that is pretty much at >> infinity, all >> over. Compensating with only tilt ( swing in the orientation we >> see) is not >> enough to capture even the foreground in a focus plane, relative to >> the >> camera sensor plane. And it confuses the eye/brain to see >> weirdly. Front >> to back focus areas work. Left to right looks weird... it is our >> optical-brain connection that is trained one way and not the other. >> >> I think this might have worked just fine of you had used a landscape >> orientation. That would have given you just tilt from the lens, >> and the >> "unfocus" plane would have been about equal for the infinite >> background. >> Then the background would have been in the same amount of "unfocus" >> and >> would have looked fine. It is the right to left stuff that causes >> optical >> confusion. >> >> Of course, the F64 group would have said you did not provide enough >> DOF from >> your lens.... >> >> BTW, what is the minimum F stop with the Canon PC lens you used? >> F32? >> >> Frank Filippone >> red735i@earthlink.net >> >> >> -----Original Message----- >> From: lug-bounces+red735i=earthlink.net@leica-users.org >> [mailto:lug-bounces+red735i=earthlink.net@leica-users.org] On >> Behalf Of Bob >> Adler >> Sent: Wednesday, November 12, 2008 8:18 AM >> To: Leica Users Group >> Subject: Re: [Leica] IMG: Fall Colors at Pt. Lobos >> >> Hi George and Frank, >> >> Number 1 was photographed with a Tilt/Shift lens. I think the >> problem is >> that the foreground and background are in focus because they are in >> the >> plane of focus produced by the tilt. The mid-ground area was down a >> cliff; a >> drop of 20 - 30 feet. As this would put it out of the plane of >> focus created >> by the tilt, the only way to try to get it in focus is through >> reducing the >> aperture. I believe I should have shot at a smaller aperture than >> f8, and >> that may be the cause of the slop you see. >> I think this would explain it as the right side was futher below me >> than the >> left and, as Frank noted, the right side seems more out of focus. I >> think >> the shift was centered. >> Does this make sense to you? >> >> Thanks for pointing this out. I'll just have to go back! :-) >> >> George, as for the darkness in the the other shots, it's not caused >> by any >> adjustments by me. Pt. Lobos has a huge dynamic range. I could >> never get >> anything when I shot Velvia nor negative color. Even using N-2 with >> BW film >> couldn't get it all. I had a .6ND Grad filter (I'm going to be >> buying a .9 >> now) and even with all that an the increased capture dynamic range of >> digital, I couldn't get it. >> >> So thanks for the input very much. Numbers 4 and the last image >> will be put >> on my main gallery! >> Best, >> Bob >> Bob Adler >> Palo Alto, CA >> rgacpa@yahoo.com >> http://www.raflexions.com >> >> >> >> >> ________________________________ >> From: Frank Filippone <red735i@earthlink.net> >> To: Leica Users Group <lug@leica-users.org> >> Sent: Wednesday, November 12, 2008 7:45:08 AM >> Subject: RE: [Leica] IMG: Fall Colors at Pt. Lobos >> >> Bob... were you using your perspective controlled lens for the >> first shot? >> Does the lens offer swings and tilts? Or Tilt only? ( relative to a >> landscape image configuration.) >> >> Mid range focus on the right worse than midrange on the left..... >> indicates >> maybe your lens was not "centered" and set for some amount of >> tilt.... which >> in this composition means swing... and therefore the focus planes >> are not >> where we expect them..... Although it certainly works for the >> foreground..... >> >> Is this just a case of focus distortion caused by the foreground >> focus being >> right ( which it is) , and the background wrong for the foreground >> focus >> planes.....? >> >> Sometimes swings and tilts make the focus just look weird.... >> >> Certainly a colorful shot.... nicely composed. >> >> Frank Filippone >> red735i@earthlink.net >> >> >> >> the first - the mid frame lack of focus puzzles me >> >> >> Fond regards, >> George >> >> >> >>> http://raflexions.com/11-11-2008/ >> >>> Bob Adler >>> Palo Alto, CA >> >> >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > > > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information