Archived posting to the Leica Users Group, 2011/10/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]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