[rollei_list] Re: Triotar
- From: Peter J Nebergall <iusar4s@xxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Mon, 10 Oct 2005 10:53:42 -0500
I have the Triotar on an Ikoflex 1, and another (85mm f4) on a short tele
for Contax. The Ikoflex is doubtful; the Contax lens gives me excellent
work. Both are uncoated glass.
Peter Nebergall
On Sun, 09 Oct 2005 09:50:44 -0400 Eric <egoldste@xxxxxxxxx> writes:
> Neil:
>
> > I have read some reports on Rolleicords where they implied that
> anything with
> > the Triotar lens was inadequate.
> > What design is the Triotar anyway? A Cooke Triplet?
> > I have had a 'Cord II with Triotar and I am satisfied with its
> performance. I
> > am not enlarging the negatives to any extreme degree.
> > What are the limits of the Triotar?
>
>
> It is a Taylor-type triplet. This type of lens is extremely
> sensitive to the
> specific design, execution and individual variation of what's on
> your
> particular camera. That said, all things being equal, you would be
> hard
> pressed to see the difference between a triplet and a tessar-type
> away from
> the corners, and corner performance for a good triplet is fine if
> well
> stopped down.
>
> I like to shoot heads with a good triplet wide open...
>
>
> Eric Goldstein
>
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