M43 and crop sensors: noticeable differences?

Is this in reference to XF23mmF2.8 R WR?

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No, the 1.4 R WR

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Got the Sigma RF-S 56mm for my R7 and it looks really good.

(click to open at full size)

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I’m jumping into this thread a little late, but I had an interesting conversation with a friend who is probably the best wildlife photographer that I personally know on this very subject. Due to an injury he couldn’t manage his Sony full frame setup with his massive 600mm prime so he moved to an Olympus M43 kit and he was very happy with the result.

In his mind the M43 was different, but not necessarily better. He definitely appreciated the lighter weight and lower fatigue, which meant he can take better photos for longer periods of time. Plus, he’s moved into macro photography which is a genre that the Olympus tends to excel in.

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Nice example!

This is why I’m seriously considering moving to the OM M4/3 system (as well as my recent Fuji EVF woes).

I’m not really interested in going full frame for some marginal quality gains. I want lighter, more portable, more durable, and with interesting computational features. M4/3 offers this.

My only wish is that both OM System and Panasonic release some more models, especially new (old) form factors. Panasonic has especially been disappointing in this regard recently and needs to resurrect its GM and GX lines, or at least stop making everything the same size as its FF line. And OM is not selling the PEN line here in Canada, which is frustrating.

Incidentally, does anyone have any experience with the Olympus EM10 Mark II? There’s one available for fairly cheap near me, but I don’t know much about it.

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I don’t think the body size has changed much, so if your local camera shop has one, even if its never, it should be similar and you can put hands on it there.

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I own one with multiple lens. You can compare the sensor performance with newer models at photonstophotos.net.

I use mine as my travel setup.

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Unfortunately, my local camera shops are big box electronics stores (e.g. Best Buy) and don’t carry OM System. It’s sad that you need to go to larger cities these days to find a proper camera store.

Thanks! Does it have any computational features, or did those come later?

Ok, y’all have me interested in Micro 4/3. My son recently bought one, and he didn’t even know about Micro 4/3; it was just the camera he chose.

So, I have a big question: do all M 4/3 lenses work with all Micro 4/3 cameras, regardless of manufacturer? Some of the stuff I read makes it sound like they do, but I wouldn’t want to make a decision based on that, then learn that there are incompatibilities.

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I don’t understand the question. It has a chip and does the auto exposure. It can track faces for focus. It can do video.

No Olympic experience, but see:

https://www.dpreview.com/reviews/bang-for-the-buck-olympus-om-d-e-m10-ii-review

As far as I know, yes they are all compatible. I’ve never heard of any that aren’t compatible between brands but I don’t want to speak with certainty on that. I have both Lumix and Olympus lenses that I use on my Lumix.

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Computational features include things like in-camera focus stacking (not just focus shifting/focus bracketing), high resolution modes (combining multiple exposures at normal resolution, eg 20MP, into a single image at 50 or 80MP), among other things. So more/different than regular exposure and focusing features.

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Sorry, I should have been clearer. As @plantarum said, I was referring to the in-camera processing features that OM System have become known for, like live ND filters, handheld high resolution mode, etc.
The new OM-5II even has a dedicated button for it (called CP).

Yes, they should all work interchangeably. However, I believe that there may be some autofocus and stabilization benefits to pairing a lens and body from the same manufacturer (with some lenses), but I don’t think it’s anything major.

Perhaps someone with more experience with the system can clarify.

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Yes they do. The only limitation is that “sync IS” does not work across manufacturers, where lens-based stabilization and IBIS work together to enable stronger stabilization than each system on its own. Instead, you can choose either IBIS or lens IS in these cases.

IBIS is so good these days that this hardly matters, though.

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I think another limitation might be around teleconverters with them only being compatible with lenses from their respective manufacturers.

Regards, Freddie.