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Olympus OM-D E-M5 Mark II The first OM-D's successor.

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Old 24th March 2015
carbonbianchi carbonbianchi is offline
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AF performance with 50-200 and M5ii?

Hi, I have an EM5 ii and am looking for a reasonable cost Tele zoom. I once had the panny 100-300 which was a reasonable lens but not good for lower light with the relatively high minimum aperture. I was looking at the 50-200 (non SWD) with adaptor but keep reading that the lack of pdaf means slow focusing. Does this mean half a second or so or are we talking something much more problematic? I'd be looking at slow/static wildlife and long reach landscapes rather than birds in flight and tracking type shots.
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Old 24th March 2015
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Re: How slow is slow AF with 50-200 and M5ii?

I just gave it a try for you. I have a number of long lenses including the panasonic m4/3 100-300 and tend to overlook the 4/3 50-200 for long lens work as for me it isn't long enough. I also have the sigma 50-500 and 135-400 for 4/3. But you asked so I put the 50-200 on and shot pheasants from the window about 100 yards away. Light is poor now but I thought that may help as it often is when I look for birds.

Took 5 shots delay was not horrible felt like half a second but don't have a way of timing it. All were acceptable focus. But it really needs a better trial. we were at 1600 iso 1/250th so never going to be a great picture.

One thing I have done with the camera is set it up with focus assistance of focus peaking and enlargement (you can vary that from about 3x to 10x). I have never been a fan of spray and pray work so single shot with MF adjustment suits me well. As a result the shots with the 100-300 I took last week are stunning. You know absolutely when you have a good focus. My assumption is that will be as good with the 50-200. happy to try out some more.

I will be happy to share the pictures. Give me a bit of time. I spent today trying out HDR mode and HD shot on flowers! I am absolutely knocked out by the camera. It is a real transformation with features that help.

Will add more when I have cooked dinner!

Peter
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Old 25th March 2015
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Re: How slow is slow AF with 50-200 and M5ii?

Didn't get back on the site after dinner and felt a few more pictures would help.

Shot a lot more pictures first thing and am beginning to form an opinion. But these things are very personal and depend on what you want, about your quality expectations and your ability & subject requirements etc.

Web sized pictures tell you very little. So I will look at providing a couple of full-sized examples from here after I get back today.

My current opinion is that it works, provided you never want a grab shot. A snapshot will be out of focus, if your settings even let you take it. If you can wait the two or three focus movements, confirm focus and take the shot - most will be in focus. Some will be superb.

This lens is very very good, but is not forgiving. On my E5 I trust it totally, but it is a bit slow even on 4/3. On my EM5 it was superb in good weather manually focussed in live view. But I had more consistency with the m4/3 lenses.

The EM5 mk2 gives me what I waited for on the EM5 but was never added - focus peaking (and enlarged manual focus assist). That makes it very nice. It transforms it. In sunshine I predict this will be a marvellous lens. I will update this.

Today, in frost and at iso 640 I'm happy. But I repeat it is very personal.

Pics will follow.
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Old 25th March 2015
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Re: How slow is slow AF with 50-200 and M5ii?

Many thanks Peter-looking forward to seeing the pics. How does it compare to the 100-300 for IQ?
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Old 25th March 2015
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Re: How slow is slow AF with 50-200 and M5ii?

Right sorry for delays but I'm trying to fit this in with work, coffee breaks and other distractions.

So these are all taken through an open window this morning down to the end of my garden and field beyond. The greenhouse needs a good spring clean!

The pheasant is about 25 yards away and the pigeon about 20 yards.

The original files are all on my dropbox and can be downloaded here

In each case I have resized the full frame straight from camera and then given you a pixel level crop to show the detail as it is. The crops did go through DxO pro 8 - because I felt they needed just a tiny bit of help to put them on the web, but nothing major. And the untouched version is on the dropbox.

I am not trying to sell the lens just give a fair view.

This was at 6.00am. ISO 1600 1/100th at f7.1. I would not expect to get good pictures at that but it is what it is.





This was at 6.30ish. ISO 1250 1/250th at f7.1. getting better and the pheasant began displaying and calling. Which I missed because focus was too slow.





Finally as the sun was coming out ISO 640 1/250th at f7.1. And I am happy at these sort of figures, but would like to be closer with this lens.





And as you asked here is a wren at about 15-20 yards from last week with the 100-300 at 300. ISO 400 1/250th at f9



And that was pretty much a series of grab shots as they don't stay still for long.

I will be trying other things, and am happy to drop stuff in the dropbox.

what do you see? feel?
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Old 25th March 2015
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Re: How slow is slow AF with 50-200 and M5ii?

As a postscript. The male pheasant decided to come into the garden, which they do each year, then could not work out how to get out again. So it was patrolling up and down the wire fence looking at it's lovely field with the hens in.

So I took the chance to shoot pictures with the 50-200, bigma 50-500 and my new 40-150 m4/3. I am uploading those to the dropbox too.


40-150 - one of many sharp


50-200 - only sharp shot


50-500 bigma - manual focus

As I sat her looking at the pictures I thought I'd do one more test. I crept outside, put the camera into CAF (first time for me) and shot in low burst mode all Fps. A very pleasing result, very surprised. Put that one in as well.


a big surprise to me -mostly all sharp

Enjoy
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Old 25th March 2015
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Re: How slow is slow AF with 50-200 and M5ii?

Oh boy. I was thinking those last couple of 50-200 shots at the lower iso were really nice and sharp but then saw the wren on the 100-300 which again is really sharp and that lens has the extra reach for about the same price. I think the last few shots were telling though with only 1 keeper from the 50-200. I'm under no illusion that the 50-200 is probably better IQ than the panny with lower light capability but the panny has size and better focus on its side. A lot to think about whilst I trawl Ebay



Thank you for the generosity of your time in taking these for me-it's really appreciated.
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Old 25th March 2015
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Thumbs up Re: AF performance with 50-200 and M5ii?

This is excellent support from Peter.

Hopefully there are others that have the E-M5mkII that can comment on the original question.
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Old 25th March 2015
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Re: How slow is slow AF with 50-200 and M5ii?

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Originally Posted by carbonbianchi View Post
Oh boy. I was thinking those last couple of 50-200 shots at the lower iso were really nice and sharp but then saw the wren on the 100-300 which again is really sharp and that lens has the extra reach for about the same price. I think the last few shots were telling though with only 1 keeper from the 50-200. I'm under no illusion that the 50-200 is probably better IQ than the panny with lower light capability but the panny has size and better focus on its side. A lot to think about whilst I trawl Ebay



Thank you for the generosity of your time in taking these for me-it's really appreciated.
As I have just bought a 40-150 f2.8 I will be selling my 50-200 f2.8/f3.5 (I am keeping my MMF3) if you are interested. PM me if interested.
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Old 26th March 2015
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Re: How slow is slow AF with 50-200 and M5ii?

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Originally Posted by carbonbianchi View Post
Oh boy. I was thinking those last couple of 50-200 shots at the lower iso were really nice and sharp but then saw the wren on the 100-300 which again is really sharp and that lens has the extra reach for about the same price. I think the last few shots were telling though with only 1 keeper from the 50-200. I'm under no illusion that the 50-200 is probably better IQ than the panny with lower light capability but the panny has size and better focus on its side. A lot to think about whilst I trawl Ebay



Thank you for the generosity of your time in taking these for me-it's really appreciated.
You are more than welcome. The reason I have so many lenses is the very fact that nothing does everything I want. But I then have to think about what I am doing and what I need. Plus I enjoy fiddling.

In good light and everything positive - they are all good.

But in the UK we don't have many of those days. If you are ever down this way give me a shout and you can play with anything I have. Best way to find out is to try.

Good luck
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Old 26th March 2015
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Re: How slow is slow AF with 50-200 and M5ii?

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Originally Posted by benvendetta View Post
As I have just bought a 40-150 f2.8 I will be selling my 50-200 f2.8/f3.5
Hi Dave, Have you any "feel" for the relative performance of the two lenses.

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Old 26th March 2015
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Re: How slow is slow AF with 50-200 and M5ii?

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Originally Posted by Graham_of_Rainham View Post
Hi Dave, Have you any "feel" for the relative performance of the two lenses.

Not yet Graham but I imagine the differences will be in the handling as I was always impressed with the performance of the 50-200. When I have used the 'new kid of the block' I will try and remember to post my thoughts.
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