carl zeiss sonnar 180 f2.8

i found a option to buy this lens and modify it for the use with Pentax 67, but since i saw that there are different versions of this lens, is

there anything particular i should be checking?

or are some of the version a no go?

 

thanks!

<p>My first concern would be image coverage... will this lens (made for 56x56mm film) cover 6x7 (55x70mm)? I suspect there would be a problem here.</p>

<p>The 180mm Sonnar f/2.8 was originally made for 35mm Contax rangefinder mount, as I recall, not 56mm x 56mm.</p>

afaik coverage is not an issue, i read it easily covers 6x7, i was referring more to if some of the models of the lens are a no

go, bc it was a bad batch, or bad glass used. thanks :-)

 

forum.mflenses.com/mod-your-p6-sonnar-180-2-8-for-pentax-67-t49391.html

<p>I think the best person to answer your questions would be the poster of the conversion on manual focus lenses.</p>

<p>Harvey & J Buck,</p>

<p>Look for the later version beyond the ZEBRA Stripe version of this fantastic lens. I have (2) older Olympia Pre-Set that was adapted for Hasselblad 2000/200 series body.<br /> I seen the Rollei SL66 HFT lenses modified for the Pentax 6X7. Even a Pentax 6X7 to mount all Hasselblad V Lenses!<br /> I recently had a late Zeiss 180mm2.8 Sonnar MC modified for my Rollei SL66. AS for the Pentax 6X7, whomever will be doing the conversion, you would have to ask the machinist/repairmen directly. I think its possible.</p>

<p> </p>

<p>I used the final, multicoated CZ Jena version (labelled MC Sonnar) in its native 6x6 mount and with an adapter on Mamiya 645s. I've never heard of a "bad" batch of this lens, but the multicoating should help with contrast.</p>

<p>For Pentax 67 use, you are definitely looking at a custom mount-hacking job, because the lens barrel needs to be cut down in order to accomodate the longer flange distance of the Pentax body.</p>

<p>I wonder though, will the results be so much different to the well regarded native 165mm f2.8 for the Pentax?</p>

<p>I have upload some recent jpegs of my hacked lens to illustrate the recent modified CZJ 120mm Biometar MC & CZJ 180mm Sonnar MC for my Rollei SL66.<br /><br /></p><div></div>

<p>i was shooting against the sun on 35mm cam. was terrible. had contax 180/2.8 is like day and night.<br>

i had a discussion with someone which had to leave contax/Zeiss for nikon(i still have contax system and eos DSLR 1000D). he told under difficult light zeiss is better. but meanwhile nikon also has better lenses, so has sigma. <br />regarding vignetting. the speedier and longer the 35mm lens the better the chance it will cover 6x7 without light-fall of even fully open. ok at least in viewfinder....THE BOKEH FACTORY on FB is doing such conversions.<br>

i compared 80mm/2.8 biometar with zeiss /C/Y)85mm/1.4(i also have 2.8) biometar is soft. precise tests will be done when optixpcb-adapter is in house. some old aspherical lens on APS-C: Wow even fully open!</p>