Oly has announced that their new 100-400/5-6.3 lens ships 9/8. Robin Wong has a
useful review
up.
<https://robinwong.blogspot.com/2020/08/olympus-mzuiko-100-400mm-f5-63-is-review.html?showComment=1596568652509#c4080700950774125380>
It had more elements than the PLeica, and is longer and heavier, but not a lot. OTOH, why is it slower at the wide end?
Obsession with constant aperture?
But what I can't figure out is the OIS. Unlike the Pro lenses with OIS, it doesn't do
their "Sync IS"
Here's what I posted on Robin's review:
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"I am confused about the IS. Why offer 2-axis OIS, and 3-axis combined with camera body? Are Olympus implying that the
5-axis IBIS of the later bodies doesn't work well @ long FLs?
Any idea how the two options compare?
When I first got a Leica 100-400, I did some casual comparisons of lens OIS vs. E-M5 II body IBIS. As far as I could
tell, they were equal @ 400 mm. I also have some spectacular examples of OLY IBIS with the 75-300 @ 300 mm on E-M5 II at
very low shutter speeds. Here's 300 mm @ 1/20 sec. http://www.moosemystic.net/Gallery/tech/E-M5II_IBIS/Robin.htm
With the latest Oly bodies, why not just turn the lens IS off, and use body IBIS? Does mounting the lens make that not
possible?"
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Until someone does comparison shots, it's impossible to know which is the optically better lens. In the meantime, I
continue to find the PLeica excellent. And it does combine with my Panny bodies for their "Dual IS", five axis IS.
Confuse A Moose
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What if the Hokey Pokey *IS* what it's all about?
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