Archived posting to the Leica Users Group, 2011/10/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]You may be right, but since it's just a pipe dream, I can afford to have choices!!! :-) *** User: Siri, call me an ambulaance Siri: OK, from now on, I will call you "An Ambulance." On Wed, Oct 19, 2011 at 2:04 PM, Robert G Adler <rgacpa at gmail.com> wrote: > It sure looks a lot bigger than a Cambodia, Arca or Alpa to me because of > those huge lenses!! > > Sent via Siri > www.rgaphoto.com > > On Oct 19, 2011, at 1:44 PM, Richard Man <richard at richardmanphoto.com> > wrote: > > > It's another way to separate a photographer and the money they don't have > > :-) > > > > http://www.hartblei.de/en/hartbleicam2.htm > > > > > > On Wed, Oct 19, 2011 at 1:42 PM, Robert Adler <rgacpa at gmail.com> > > wrote: > > > >> What's an HCam? > >> > >> On Wed, Oct 19, 2011 at 12:06 PM, Richard Man > >> <richard at richardmanphoto.com>wrote: > >> > >>> Honestly, this is why the HCam sounds so appealing too if one is > >> interested > >>> in the shift and tilt. You can do that with a Cambo or Arca, but they > are > >>> bigger... > >>> > >>> On Wed, Oct 19, 2011 at 9:29 AM, Robert Adler <rgacpa at gmail.com> > wrote: > >>> > >>>> Hi George, > >>>> > >>>> You don't place the GG on the shimmed back holder. The GG has it's own > >>>> holder that fits to the back of the camera just like the DB holder. > >>>> > >>>> It is not easy to focus properly with the GG holder; I primarily use > it > >>> for > >>>> framing and ensuring my polarizing filter is positioned where I want > >> it. > >>>> > >>>> I have a Leica Distometer to find the closest distance when I'm not > >> using > >>>> tilt. I did some work to find out what the best f-stop was to use to > >> get > >>>> the > >>>> greatest hyperfocal distance. So at f/11.3 I can get from about 3m to > >>>> infinity in focus. If my distometer says the closest object in my > frame > >>> is > >>>>> = 3m, I'm all set. If closer, I can use focus bracketing. This is for > >>> the > >>>> 35mm. > >>>> > >>>> Haven't tested the 80mm yet as I tend to use tilt with it (it is the > >>>> shortest lens for which tilt is available on the Alpa system). I need > >> to > >>> do > >>>> some testing with it not only to get the right hyperfocal distances at > >>> the > >>>> best f/stop but also to see how I far I can close down to get more of > >> the > >>>> Scheimpflug hyperfocal plane in focus. > >>>> > >>>> This digital MF is a whole new ball of wax for most (with tech cams). > >>> Great > >>>> results (IMO) once you get it all figured out. > >>>> > >>>> Probably much more than you ever wanted to know... > >>>> Best, > >>>> Bob > >>>> On Wed, Oct 19, 2011 at 9:00 AM, George Lottermoser <imagist3 at > >>>> mac.com > >>>>> wrote: > >>>> > >>>>> > >>>>> On Oct 18, 2011, at 11:38 PM, Bob Adler wrote: > >>>>> > >>>>>> You are correct of course. The holder for my back, on the Alpa > >>> system, > >>>>> comes with gaskets that are between .01 and .05mm, in .01mm > >> increments. > >>>> You > >>>>> have to calibrate your back, as in this video: > >>>>>> http://www.optechsdigital.com/Videos.html > >>>>>> Scroll down to the three videos under Shimming the Alpa. > >>>>>> > >>>>>> So when I did it to my system, .01mm made all the difference. > >> Pretty > >>>>> sensitive! > >>>>> > >>>>> Interesting. > >>>>> It's unclear to me where the ground glass comes into play. > >>>>> If you've shimmed for the sensor > >>>>> and placed the ground glass on that same adapter > >>>>> you've also shimmed the ground glass > >>>>> (or am I missing something?) > >>>>> > >>>>> Regards, > >>>>> George Lottermoser > >>>>> george at imagist.com > >>>>> http://www.imagist.com > >>>>> http://www.imagist.com/blog > >>>>> http://www.linkedin.com/in/imagist > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> _______________________________________________ > >>>>> Leica Users Group. > >>>>> See http://leica-users.org/mailman/listinfo/lug for more information > >>>>> > >>>> > >>>> > >>>> > >>>> -- > >>>> Bob Adler > >>>> Palo Alto, CA > >>>> http://www.rgaphoto.com > >>>> > >>>> _______________________________________________ > >>>> Leica Users Group. > >>>> See http://leica-users.org/mailman/listinfo/lug for more information > >>>> > >>> > >>> > >>> > >>> -- > >>> // richard <http://www.richardmanphoto.com> > >>> > >>> _______________________________________________ > >>> Leica Users Group. > >>> See http://leica-users.org/mailman/listinfo/lug for more information > >>> > >> > >> > >> > >> -- > >> Bob Adler > >> Palo Alto, CA > >> http://www.rgaphoto.com > >> > >> _______________________________________________ > >> Leica Users Group. > >> See http://leica-users.org/mailman/listinfo/lug for more information > >> > > > > > > > > -- > > // richard <http://www.richardmanphoto.com> > > > > _______________________________________________ > > 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 > -- // richard <http://www.richardmanphoto.com>