To all Users of this thread
I´m always amused if people quote things about what they think, before they even read what´s written.
On our website it´s clearly described what the lenses are: http://hartblei.de/en/sr40if.htm
" It was originally constructed for the 6 x 6 format, providing huge quality reserves for 35mm format."
and here: http://hartblei.de/en/tech2.htm
"Hartblei Superrotators are the only lenses for 35 mm cameras that have been originally constructed for
medium format cameras. Using a longer distance (at least 30 mm longer) between the sensor and the
glass of the lens allows for the unique 2x360 degrees turnable Shift and Tilt mechanism.
Also the angle is more straight by which the light hits the sensor, eleminating the effects mentioned before almost completely."
The Phase One lens has a pressrelease link here (and on our first page) http://www.marketwire.com/press-release/Ph...One-895724.html
Quote:"Phase One A/S today announced an exclusive strategic alliance with Hartblei to drive medium format photographic lens innovation.
The first product of this alliance is the Phase One 3.5/45 mm TS lens, based on the popular Hartblei 45 mm f/3.5 Super Rotator lens."
I fully understand that reading whole sentences is of course diffficult and Time consuming for some people..........
We have been develloping these lenses since 3 years now, first appearance of the prototypes was Photokina 2006.
They were on sale since March 2007 in a limited edition ( we had sold some of the first series to beta Customers before)
carrying the prototype label on request of Carl Zeiss, after a lot of Improvements and testing Zeiss has allowed us now to mark the lenses
HARTBLEI-Optics by Carl Zeiss.
The optical Quality is documented here http://www.zeiss.com/C12567A8003B8B6F/Embe...FE_104966_e.pdf
(we use the exact identical Lenskits originally assembled at Zeiss Oberkochen)
the MTF is documented up to Imagehight of 40mm resolving still over 90 LP/mm at F8 . The center resolution is up to 200 LP/mm.
Here is a clipout from the letter Mr. Markovich sent to me on the 26.03.09 :
"....das 40er probieren. erste beobachtung: f6.3, max shift (in alle
richtungen) = super im zentrum aber randunschaerfe. ok, besser als das
nikon PCE, aber doch nicht was ich mir erhofft hatte.comments ?"
I´ll try to translate:
"....try the 40mm.first observations:f6.3,max shift (in all directions)= Super in the center
but unsharper to border. ok better than the Nikon PCE, but not what I had hoped for. comments ?"
and here is my answer:
Hallo Herr Markowich
Das 40er hat speziell im Nahbereich (da weitwinkelkonstruktion) doch einiges an Astigmatismus und auch eine etwas wellige Bildfeldplanität.
Dies ist aber in der allgemeinen Fotografie nicht wirklich von Belang, für reine Reprozwecke sollte man aber mindestens bis f11 abblenden.
Wir haben letzte Woche erst einige neue MTF Messungen durchgeführt, dort haben wir im Zentrum bis zu 200LP/mm bei Kontrast 0,2 erreicht, der rand (höhe 30) geht dann auf etwas unter 100 runter(dies bei Blende 4), das ist nicht wirklich schlecht, natürlich immer noch keine Röntgenlithographie.........aber für Foto schon ganz nett.
Dear Mr. Markowich
The 40mm has especially on closeup (because of the wideangle construction) some Astigmatism and also some bumpy flatfield correction.
But for allpurpose Photography this is not really of matter, if you use it for pure Reproduction purposes you should use f11.
At our new MTF Measurements last week, we have got 200 lp/mm at a Contrast over 0,2, borders (at height 30) goes down to a bit under 100 (at f4), of course this is not XRay Lithography....but for Photography quite nice.
I can only invite anybody (at least in Europe ,sorry USA - if Importers want 65% from me I will prefer to sell them where WE can make a living, instead of financing someone elses Porsche)
to try the lenses themselves. We have set up a network of knowledgable dealers who will support this and answer your questions.
And help is on the way for the US also we are already talking to a good and reasonable Importer, so stay tuned to our website.
BTW yesterday we have established our new service partner Wiese Fototechnik in Hamburg who will supply extremely good service Inside the EU and we do not have to send our lenses to Kiev for Maintenance anymore.
I hope I have not overstressed the part-sentence readers now too long.
greetings from Munich
Stefan Steib CEO Hartblei Kiev/Munich