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Re: [OM] 4/3 format is lousy for portraits - dof

Subject: Re: [OM] 4/3 format is lousy for portraits - dof
From: Jim Nichols <jhnichols@xxxxxxxxxxxxx>
Date: Sun, 12 Apr 2015 13:01:03 -0500
Thanks for the kind words, Rick.

I'm pretty sure that the one I have is from Fotodiox. It was the first adapter I bought, and I had two problems with it, perhaps inter-related. First, the two parts of the adapter are held together by small set screws in the rim. They kept allowing the two parts to move a little, which gave me concern for my lenses. Subsequently, I put superglue between the two parts, then tightened the set screws. That solved the motion problem, but may have contributed to the fact that I couldn't achieve infinity focus. I then polished the face of the threaded portion to correct this, which removed the printed identification marks. It also resulted in the lens markings falling at the 3 o'clock position, when viewed from the front. If the two parts were not cemented, I could correct this, but I just use it as-is.

I have later Fotodiox adapters that are assembled with proper screws. I can't say whether or not the M42 adapter has been so modified since I bought mine.

The company has a web site that lists all kinds of adapters.

Jim Nichols
Tullahoma, TN USA

On 4/12/2015 12:37 PM, Rick Beckrich wrote:
Beautiful capture!

Where do you find a screw-mount adapter for an E-1?
More specifically... who was the maker?

On Sun, Apr 12, 2015 at 12:03 PM, Jim Nichols <jhnichols@xxxxxxxxxxxxx>
wrote:

Ken,

Here is an early example to support my point about choice of lens. This
was with the E-1, using a Pentax Takumar 50/1.4 lens, which was typical of
the lenses of its time.

http://www.gallery.leica-users.org/v/OldNick/Katie+
Grace+_amp_+Kristin.jpg.html

Jim Nichols
Tullahoma, TN USA

On 4/12/2015 9:55 AM, Ken Norton wrote:

Chuck,

Here is an example of why you can't use 4/3 for portraiture. You just
can't get a narrow DoF.

http://zone-10.com/cmsm/index.php?option=com_content&task=
view&id=506&Itemid=1


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