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Re: [OM] OM-D E-M1 with 4/3 lenses

Subject: Re: [OM] OM-D E-M1 with 4/3 lenses
From: "C.H.Ling" <ch_photo@xxxxxxxxxxxxx>
Date: Wed, 24 Jun 2015 07:37:52 +0800
I have different experience on the 12-40, it is a great lens, I just don't
like the cropping, resize and USM Olympus done with its software but problem
can be solved by using RawTherapee.

For the distortion, I would call it barrel instead of moustache:

http://www.photozone.de/m43/862_oly1240?start=1

I have seen some moustaches, the worse one being the Sigma 21-35/3.5-4.5 at
21mm.

I don't like linear distortion either but the simple corrected one is good
enough for me. I'd say it is better than most old OM Zuikos I have.

For the balance, 12-40 is already a little too heavy for me, I'm using E-P5
with third party grip. The major complain on the 4/3 system is size and
weight, I don't like my E-1 and 14-54 not to mention the 50-200 I once had.
I won't consider using 4/3 lens on the M4/3 system.

12-40 has great resolution and low CA, I also like the constant F2.8
aperture. I heard the 12-60 went to F4 very early, a little slow for my
taste.

C.H.Ling


----- Original Message ----- From: "David Young" <dsy@xxxxxxxxxxxxxxx>
To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
Sent: Tuesday, June 23, 2015 10:46 PM
Subject: Re: [OM] OM-D E-M1 with 4/3 lenses


Good Morning, Wayne.

Much of which lens you use will depend on how you "see".  I see long...
probably a result of only owning two lenses for the first 20 years of my
photogahic life - an 85/1.8 Nikkor and the 200/4 Nikkor - both on a Nikon
"F".

No matter what the reason, I found the 12~60 Zuiko an excellent lens on my
E3.  I sold it, replacing it with the new 12~40/2.8 PRO.  That was a
decision I regret.

I find the moustache distortion in the 12~40 very distressing.  Yes, it
can be corrected in various RAW developers (on in the camera, if shooting
JPEGs) but as has been noted earlier in this list, it results in cropping,
thus reducing the actual field of view.

Personally, I develop in RawTherapee, which does not do the correction.
However, I worked with Tom Nieman, of PTLens, to develop the correction
profiles for the 12~40, which seem to work better than some of the other
software corrections.

The 12~60 is, of course, larger and heavier than the 12~40, so the balance
is a wee bit off, but I did not find it bothersome. Your mileage may vary.

Some people have disparaged the new MMF-3 FT>mFT adapter, for it's plastic
body.  I however, find it lighter yet certainly strong enough to hold both
the 50~200/2.8-3.5 SWD and my 400/6.8 Telyt.  When using heavy lenses, I
see no need to add the addition weight of a metal adapter, if you don't
need to.

I'm sure the new 40~150 mFT lens is great.  But it has insufficient reach
for me, even with the new 1.4.   For rodeos and other distant subjects,
the 50~200 SWD is still my "go-to" lens, with the E-M1.  (All the rodeo
images I've posted here, were made with that lens.)

I admit I like the 12~40/2.8 for it's size and weight (good as a travel
lens), but I sure miss the reach of the 12~60.  And, being "old school",
no matter how easily I can fix the moustache distortion, it rankles me
that it even exists.  To my feeble mind, very poor design.

Focusing speed, with the new 3.0 firmware, is very good, and very
accurate. I'm hoping that one more update for PD focusing will come along,
as has been implied by recent interviews with Oly. staff.  If there is a
problem with the PD focusing it is that the on-sensor phase detectors are
not "cross-type", so it has a harder time on subjects with predominantly
horizontal lines.  Still, I find it works very well.

If you have, or can borrow, the 12~60, give it a try. I think you'll like
it!

Sorry, but I cannot comment on the 14~54, as I've never even seen one!

You might want to check out my review on the moustache distortion ...
found here:

http://www.furnfeather.net/Reviews/Moustache.html

I'll be curious to to hear you you make out with the older lenses.

Good luck!

David.

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