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Micro Four Thirds Discuss the newly announced Micro Four Thirds addition to the Four Thirds system family here.

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Old 28th May 2010
michaelavis michaelavis is offline
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Oly 17mm or Pana 20mm?

As a very pleased new owner of a E-P1 with the kit lens, I'm looking at the fast pancake prime option.

Like everybody on this forum no doubt who's gone into the mFT world, I've read the many reviews that rave about the panny and are neutral on the oly by comparison.

My preference would be the Oly on brand, looks and price alone, but it's hard to ignore the facts (f1.7 versus f2.8) and all these reviews.

However I'd be really interested in the views of people who went through the same quandry and came out the other side having made their decision.

If you went with the Oly are you pleased with it, does it do as good a job as the full fourthirds 25mm for example, does it feel good or does it really not impress you as much as you'd hoped? If you went with the Panny are you happy with the performance, did it match the hype, are you happy with the way it sits on your Oly body (especially a P1 or P2 as I don't think they are the same style at all).

Thanks for any real-world input.

-Michael.
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Old 28th May 2010
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Re: Oly 17mm or Pana 20mm?

I went for the Oly, simply because I got it for a good price. Also it's a slightly wider angle, which I like. The f1.7 of the Panny would have been useful to reduce DoF.

However, I'm very pleased with the lens. Quick to focus (E-P2) and optically better than the tests suggest (but then, I don't pixel-peep).
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Old 28th May 2010
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Re: Oly 17mm or Pana 20mm?

For various reasons I went with the Panny GF1 rather than Oly EP1 (which was the only Oly choice at the time) and got it with the Panny 20mm f/1.7. The lens is utterly astonishingly brilliant on the Panny body! As it happens I quite like that field of view for general use and f/1.7 was a big plus as I often shoot in bad light.

I haven't compared it directly with the Oly lens nor tried it on an Oly body, so I don't know how well the two would work together.

Good luck with whichever you choose ... John
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Old 5th June 2010
michaelavis michaelavis is offline
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Re: Oly 17mm or Pana 20mm?

Chose the Panasonic 20mm, got one at a good price (which wasn't easy). It's knowhere near as asthetically pleasing as the Oly 17mm on the retro style of my silver steel P1, it's a little larger too, but that f1.7 will be very useful for hand-held/low light/shallow dof. Still wish it was an m.Zuiko lens though.

For anybody else interested in this sort of combo, then compatibility looks spot on. All the AF features work, including face detection and I just upgraded the lens firmware to 1.1 whilst it was mounted on the P1 using Olympus Master 2 on my mac laptop just that same as if it was an Oly lens.
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Old 12th April 2011
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Re: Oly 17mm or Pana 20mm?

Olympus M.ZUIKO DIGITAL 17mm f/2.8 Pancake in black
-or-
Panasonic 20mm f/1.7 Lumix G Micro Pancake

I currently have the same dilemma you had a few months ago Michael.

You opted for the Panasonic 20mm f/1.7 on your E-P1 in the end and I'm curious to know how you (or any other 20mm users ) have got on with the distortion given that presumably the Olympus body doesn't correct as would for a m.Zuiko lens? Naturally I'm thinking of Jpeg output because RAW gives us a level playing-field if we use a 3rd party converter. Do you tend to shoot RAW, Jpeg or both?

Most tests seem to point towards the 20mm in terms of sharpness performance and of course that big aperture but I'm not completely sold on the field of view and aesthetics.

Any comments are most welcome form 17 or 20mm users
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Old 12th April 2011
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Re: Oly 17mm or Pana 20mm?

Since I posted my reply, I have changed from a 17mm Oly to a 20mm Panny, principally because of the wider aperture.

I used it extensively on my E-P2 before I got my current GH2, and have no regrets. It is one sharp lens!

Granted, the Oly does look better, and is slightly wider, but like BikieJohn, I now find that the 20mm focal length suits me more.

I have fitted it with a 3rd party vented screw-on lens hood which helps avoid flare.
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Re: Oly 17mm or Pana 20mm?

Thanks for your observations and comments Stephen

How did you find the 20mm distortion on the E-P2?
Easy to correct, not too severe?
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Re: Oly 17mm or Pana 20mm?

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Originally Posted by Greytop View Post
Thanks for your observations and comments Stephen

How did you find the 20mm distortion on the E-P2?
Easy to correct, not too severe?
I don't go around measuring my photos with a spirit level . I never found it severe enough to warrant attention. I'm sure a purist would find fault, but then I'm not a purist. For examples:



and

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Re: Oly 17mm or Pana 20mm?

Thanks very much for posting those images Stephen, as you say they look fine, a pretty convincing advert for the 20mm
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Old 12th April 2011
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Re: Oly 17mm or Pana 20mm?

If there are Zuikos I'm not that fond of, I'd have to say the pancakes are top of the list (both the FT 25mm and the MFT 17mm). On the other hand the Panasonic 20mm pancake is quite good, if rather defeating the object in not being particularly small.

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Old 13th April 2011
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Re: Oly 17mm or Pana 20mm?

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Originally Posted by Greytop View Post
Thanks for your observations and comments Stephen

How did you find the 20mm distortion on the E-P2?
Easy to correct, not too severe?
Seems I might have been chasing my tail here

It appears that Panny and Oly lens firmware includes all the correct information for the camera bodies to carry out distortion correction. What isn't corrected when using a Panny lens on a Oly body (or visa-versa) is Chromatic Aberration. This is relatively easy to correct in PP anyway so doesn't bother me.

So I've opted for the 20mm, not an ideal aesthetic match for the E-PL2 but not a disaster either, more important to me is the lens performance in terms of sharpness and the f/1.7 aperture. Hopefully it will arrive tomorrow

Thanks for everyone's helpful comments
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Re: Oly 17mm or Pana 20mm?

You'll enjoy the lens. As Ian says, it's not the daintiest of pancakes, which limits the minimum size of pocket to shove the camera into, but it's a good 'un.

PS remember that my photos were using a Panny lens on an Oly body, so no in-camera corrections were carried out anyway.
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Re: Oly 17mm or Pana 20mm?

Quote:
Originally Posted by StephenL View Post
You'll enjoy the lens. As Ian says, it's not the daintiest of pancakes, which limits the minimum size of pocket to shove the camera into, but it's a good 'un.

PS remember that my photos were using a Panny lens on an Oly body, so no in-camera corrections were carried out anyway.
Thanks Stephen, yes I'm looking forward to popping it on the E-PL2
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Old 14th April 2011
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Re: Oly 17mm or Pana 20mm?

Well it arrived today, what a fun lens
It's a revelation being able to shoot at relatively low ISO in low light. I can see this quickly becoming my favourite E-PL2 lens

Some not too serious examples....









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Old 10th May 2011
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Re: Oly 17mm or Pana 20mm?

It is an excellent lens, and a big reason why I bought the GF1 when I went into m43. I almost never use the kit zoom now.
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