[rollei_list] Re: Rollei Planars
- From: Allen Zak <azak@xxxxxxxxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Thu, 26 May 2005 15:10:41 -0400
Lenses vary among types and from one sample to another, but the Tessar
and Xenotar should both give @ equivalent results at f 11. At smaller
apertures, a comparison between them should demonstrate a little more
contrast from the Tessar and of the Xenotar a bit more resolution. The
Xenotar should be sharper at wider openings and also render a flatter
field. Other differences I regard as of character, not quality. If
they are great it could be anything from misalignment to subtle
clouding of the Tessar lens elements (you would have noticed major gunk
on the glass if it were that).
Allen Zak
On May 26, 2005, at 12:40 PM, Ardeshir Mehta wrote:
>
> On 26-May-05, at 1:53 AM, Peter K. wrote:
>
>> Because they are both good for different reasons. I agree here too.
>> I prefer the 2.8 Planar as I like the wide open look of the Planar.
>> And when stopped down it is very hard to better a Tessar.
>
> Ah.
>
> I wonder, then, why my Tessar-equipped Automat gives much less sharp
> results than my Xenotar-equipped 2.8D, when both are stopped down to
> about f/11. Do you think the lens might be out of whack? (It doesn't
> APPEAR to be so). Maybe a Fleenorisation is called for? What do you
> think?
>
>
> Cheers.
>
> +++++
>
>> On 5/25/05, Ardeshir Mehta <ardeshir@xxxxxxx> wrote:
>>
>>> On 25-May-05, at 7:13 PM, Eric Goldstein wrote:
>>>
>>>> I myself and partial to the 2.8 Planar and 3.5 Tessar.
>>>
>>> May I ask why? (Just wondering.)
>
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