Thanks guys from all over the rainbow of solutions :-)
Eric, that’s my friend’s name, WON’T embark on the trip with a heavy kit - no
way - can’t (flight limitations) and doesn’t want to (land rovering or toyoting
in the wild); his canon will stay at home and the GFX 80 was bought because it
feels robust, and it is ultra light in comparison.
IBIS and other vibes: if the animals don’t move too much or too fast, that’s a
problem solved as Eric was France vice-champion in a series of shooting
competitions. I trust him for being fairly accurate and stable. Else it will be
higher ISO, which the Panasonic seems to be not so bad at delivering.
With a marginal 10% price tag difference between the Many and Old zooms, I
guess the feel of the lenses will trigger the final choice.
Thanks again all of you.
Beautiful light here today, I must get out shooting a bit now :-)
Have a bright Sunday
Philippe
> Le 10 mars 2017 à 01:02, Mike Gordon via olympus <olympus@xxxxxxxxxxxxxxxxx>
> a écrit :
>
> Split subjects Moose writes:
> <<In what may or may not be an analogous situation, using the same sort of
> logic, I tried the recent Panny 12-60, released a year ago. Decent lens, but
> not a patch on the Oly 12-100. Haven't done the careful tests yet, but it
> <<looks like the PLeica 12-60 is more like the 12-100. so the mere fact that
> a Panny lens is a recent design doesn't necessarily mean superior IQ.
>
> I trust you would assume that MSG would be too obsessive compulsive as not
> to have at least some data to support the possible suitability of the new
> Panny 100-300 as not to mislead esteemed list member, Philippe.
> Unfortunately not much published data and difficult to find MTF. The
> previous incarnation was not bad from a resolution standpoint but AF many
> times observed to be s-l-o-w, clearly removing it from any consideration.
> Noodling around for awhile located some images of the new lens and comments
> that AF was quite good. It has better weather sealing as well. Might be
> worth a trial using the Lion in the Living-room (pet kittie) to see if it
> could suit and send back it it did not. PL 100-400 is more of a sure thing
> but bigger and pricey.
>
> <<<SI have noticed indications to lead me to suspect that extension isn't
> always best. I wanted a close-up adapter for the Panny 14-140 on GM5 in my
> light/casual kit. So I did some not too formal testing.
> <<< <cid:part1.B8D79E03.5CCE9249@gmail.com>
>
>
> Something happened to the links??
>
> <<I was chatting with Ctein the other day, about too many topics in a brief
> meeting, and mentioned this suspicion. He was the one who thought the fine
> balance between exit pupil/angle and sensor stack thickness might be a
> <<factor.
> I agree that is an interesting conjecture and glad you fleshed it out a bit
> more. You provide some circumstantial evidence of its veracity. The
> hypothesis will likely never be directly tested on MFT. However there are a
> few people on FM alt lens forum who own both Kolari modified sensor stack
> A7r(or II) and a non modified version. On could take a system lens known to
> behave well (most) with the Kolari mod and see if a large amount of extension
> affected relative performance. At least some info would be gleaned on the
> effect of moving the exit pupil with different sensor stack thicknesses. The
> slight degradation of some lenses with the thinner stack might make the
> analysis difficult but it may prove to be very enlightening.
>
>
> <<<We aren't in unit focusing MF lens land any more, Dorothy.
>
> I am stung and dismayed by your disparaging attitude towards Kansas. As you
> knew or should have known, there is an obscure cluttered alley way off the
> yellow brick road
> that leads directly to my office. There is indeed a small piece of Kansas in
> South Hamilton. Big Foot, his little brother ( Cosina Voigtländer 90mm f/3.5
> APO-Lanthar) and Big Brother (CV 180/4) reside there.
> They are of relative recent design, have a beautiful rendering, tack sharp,
> as well as focus with a normal helicoid. They function admirably with
> extension and out-resolve any sensor I have or will have in the near future.
>
> There's no place like home, Mike
> --
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