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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