Dear Mike,
Thank you very much!!!
I'll study it carefully :-)
Cheers,
Michael
On 12 April 2015 at 06:11, Mike Gordon via olympus <
olympus@xxxxxxxxxxxxxxxxx> wrote:
> Hi Michael,
>
> I'll attach a link to the excel sheets from Jim Colwell from Fredmiranda.
> He doesn't mind a bit as long as they are attributed to him--which I just
> did!
>
> http://www.jcolwell.ca/photography/calc-info/
>
> It is the first link in the calculator section. I like the d.tilt table
> and the graphs on p.tilt sheet. He formulated these for Mirex adapter with
> Mamiya lenses but I don't think the
> format really matters, but will defer to any LF users on that. I usually
> tilt to a bit over half way what will be the optimal tilt for landscape and
> focus where I think is about right at my chosen aperture and use the usual
> iterative method to refine things. It is quite difficult for me on 35mm.
> Sometimes I resort to focus stacking even with the tilt.
>
> Tilted Mike
>
>
>
>
> Dear Mike,
>
>
>
>
> I have read your feedback carefully and you're right, my action was
> not Scheimpflug and as you said that Scheimpflug only to tilt front
> stand only. Thank you for correction.
>
>
>
>
> I don't have the tables you mentioned and would you mind to tell me how
> can I get them? Thank you very much!!!!
>
>
>
>
>
>
>
>
> Cheers,
> Michael
>
>
>
>
>
> On 11 April 2015 at 05:45, Mike Gordon via olympus <
> olympus@xxxxxxxxxxxxxxxxx> wrote:
>
> <<I took this picture with a slight back tilt at image plane (rear stand)
> to
> <<make the tire inside the focus (Scheimpflug Principle applied).
> << https://farm8.staticflickr.com/7566/15688873817_b3a6bab439_o.jpg
>
> Hmmmm? Scheimpflug to tilt plane of focus with front standard, no? Rear
> standard tilt should make the tire not round.
> I do not have any LF experience (yet) but have a Mamiya version Mirex T-S
> adapter for OM and a T-S bellows with Oly fitings--quite fussy to use. LF I
> bet
> easier to see what you are doing. I would over tilt at first for
> landscapes but found surprisingly there actually is an "optimum" tilt for
> landscapes
> for any given FL, and height. Getting the focal plane just right at
> optimal aperture is no easy matter with even the Imax OM VF. I have a few
> tables somewhere for them, but suspect you have them and many more.
>
> Tilted Mike
> --
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