[LRflex] Re: Bokeh (OT)
- From: Herman Kempers <info@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
- To: leicareflex@xxxxxxxxxxxxx
- Date: Tue, 13 Apr 2010 19:20:49 +0200
Absolutely; I hope I'm wrong!
I find it also very peculiar, not to say insane that it would be something like
tolerances, but it's the only thing I and, as mentioned, some other
professional photographers could think of.... Mayby Cosina can't get it
right????Some are good, some are bad...???
I think you would draw the same conclusion, seeing the results of my 1,4/50 and
the message Zeiss sent me after testing.
Anyway, as well as the Planar as the problem; it isn't mine anymore.
best Herman
-----Oorspronkelijk bericht-----
Van: Chris L <speleo_karst@xxxxxxxxx>
Verzonden: di 13-04-2010 19:04
Aan: leicareflex@xxxxxxxxxxxxx;
Onderwerp: [LRflex] Re: Bokeh (OT)
Since this thread is marked OT, here goes...
Hi Herman,
Apparently there is nothing wrong with Japanese tolerance standards per se:
Kyocera ended up making several (if not all) of the f/1.4 lenses with
apparently good results.
The divorce between Zeiss and Kyocera happened (again apparently) not because
Kyocera couldn't meet Zeiss' tolerances, but because they didn't want to.
Given that history, I'd find it strange if Zeiss would now let Cosina build
lenses to a lower specification.
My own experience is mostly with the Rollei line, where many Zeiss lenses built
under license by Rollei in Singapore are as good or better than the made in
Germany ones.
To be fair, it is quite possible that the Singapore-built lenses had updated
optical schemes and, AFAIK, the f/1.4 and other more complex lenses were always
made in Germany.
What you say may be the case, but it would seem to be an extreme example of
corporate suicide if Zeiss was rating low quality lenses as within tolerances.
Hoping you are wrong,
Best wishes,
Chris
----- Original Message ----
From: Herman Kempers <info@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
To: leicareflex@xxxxxxxxxxxxx
Sent: Tue, April 13, 2010 6:35:50 PM
Subject: [LRflex] Re: Bokeh (OT)
Hi Chris
You can't compare these two lenses.Your older 1,4/50 Rollei mount is a German
produced lens; for the Japanese version the tolerances must be different,
although they try to built it to the standards of Zeiss, but they probally
can't match the German productionstandard.Other photographers have confirmed me
that they are also aware of the tolerance problem of the Japanese factory .
BTW; the ZE is made with a Canon mount, so your suggestion that it is an
adapterproblem is not the case. It is/was no back focus problem.
best herman
That's not at all the experience I have with my Zeiss f/1.4 lenses:
I have a 50mm f/1.4 (older Rolleflex mount, not HFT), but it's basically
collecting dust because I don't especially like 50mm lenses, though I did try
it out once and it was very good.
The 35mm and 85mm f/1.4 lenses are two of my absolute favorites.
Even my LTM Soviet copy of the 1933 50mm f/1.5 is excellent, even wide open.
If Zeiss says the lens was in working order, then I'd seriously consider a
camera/adapter/focusing alignment or collimation problem.
Chris
----- Original Message ----
From: Herman Kempers <info@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
To: leicareflex@xxxxxxxxxxxxx
Sent: Tue, April 13, 2010 10:47:09 AM
Subject: [LRflex] Re: Bokeh (OT)
Nice document, I wish they made their lens(es?) as good as this information
sheet.
Last year I bought the Zeiss Planar 1,4/50 ZE for my Canon 5dII.
This lens is beautifull made, very solid, smooth focussing, very nice to work
with.
But it was not usable under the 5,6.
<SNIP>
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