andre_noble5 Posted July 19, 2009 Share Posted July 19, 2009 <p>hello, i have a zeiss zm 35 biogon f2 that is soft at f2. i need an f 1.4 or 1.5 lens that is sharp wide open, preferably a 50mm lens for portraiture needs. the zeiss sonnaar 1.5 zm has an attractive price when offered in the b and h photo video kit with the zeiss ikon body. so i am seriously considering the zeiss sonnar 50. any user feedback on this 50 appreciated. btw if you own the zeiss 35 f2 and feel that lens is sharp at f2, then you and i have different intepretations of the word. thanks in advance.</p> Link to comment Share on other sites More sharing options...
keith_b1 Posted July 19, 2009 Share Posted July 19, 2009 <p>You could have gotten a bum 35...you might want to arrange an A/B comparison with another sample, perhaps at a shop. There is a significantly higher chance of getting a poorly assembled lens from the Cosina works than from Leica. I returned a ZF 50/2 'cause it was beginning to mechanically disintegrate. What I've read: The Sonnar is reputed to have(and is deliberately designed for) a "unique" image rendering which many interpret as being soft...kind of an 'old timey' look. The Planar would be a better choice for wide open shooting.</p> Link to comment Share on other sites More sharing options...
randy_lewis1 Posted July 19, 2009 Share Posted July 19, 2009 <p>Here is a link from RFF that should answer most of your questions.</p> <p><a href="http://www.rangefinderforum.com/forums/showthread.php?t=51742">http://www.rangefinderforum.com/forums/showthread.php?t=51742</a></p> Link to comment Share on other sites More sharing options...
john_shriver Posted July 19, 2009 Share Posted July 19, 2009 <p>The Zeiss Sonnar ZM 50/1.5 is not about clinical sharpness. Wide open it's soft in the corners. It's liked for rendering, for the look of out-of-focus areas.<br> If you want a sharp 50/1.4 or 1.5 on a budget, a used LTM Canon 50/1.4 would be fine, as would a new CV 50/1.5 Nokton. For more money, of course, there is the Summilux and Summilux ASPH.</p> Link to comment Share on other sites More sharing options...
frederick_muller Posted July 19, 2009 Share Posted July 19, 2009 <p>If you want sharp wide open, once you try the 50mm Lux Asph, you will not really be happy with anything else. You'll use other lenses for other qualities, such as differences in bokeh, color rendition, or contrast. The Lux Pre-Asph, the Nokton, and the Canon are all sharp, but can't beat the Asph in sharpness. Each of these has other rendering qualities that are markedly different from the Asph, so each has its place. </p> Link to comment Share on other sites More sharing options...
andre_noble5 Posted July 19, 2009 Author Share Posted July 19, 2009 <p>Are current prodution zeiss sonnar 50 1.5 lenses. Optized for 1.5 or 2.8 - does anyone happen to know?</p> Link to comment Share on other sites More sharing options...
blakley Posted July 19, 2009 Share Posted July 19, 2009 <p>Current models are reported to be focus-optimized for f/1.5; previously they were focus-optimized for f/2.8. Mine's optimized for f/2.8; it's not too hard to get used to the required focus adjustment IF you use the lens a lot. Otherwise, if you plan to shoot it wide open, it's best to get one focus-optimized wide open.<br> The Lux ASPH is noticeably sharper and has excellent bokeh, but there's a milky quality to the Sonnar image that I can't get with the Lux.<br> In my book the real sleeper among f/1.4 - f/1.5 lenses for Leica mount is the 5cm f/1.4 Nikkor LTM. Especially close-up and wide open it's a wonderful lens, and if you can find a good copy it should be much cheaper than either the Sonnar or the Lux.</p> Link to comment Share on other sites More sharing options...
blakley Posted July 19, 2009 Share Posted July 19, 2009 <p>By the way, per John's response, I read (I think at RFF) recently that the CV f/1.5 Nokton has just been discontinued, so if you want one it may be a good idea to hurry.</p> Link to comment Share on other sites More sharing options...
andre_noble5 Posted July 19, 2009 Author Share Posted July 19, 2009 <p>I have heard others say the 50 Nokton 1.5 is soft wide open????<br> If so, I don't need another portrait lens that is soft wide open.</p> Link to comment Share on other sites More sharing options...
frederick_muller Posted July 19, 2009 Share Posted July 19, 2009 <p>It sounds like CV is discontinuing their screw mount lenses and replacing them with M mounts. They did that with their 28mm Ultron, 25mm Skopar, 15mm Heliar, and likely the 21mm Skopar. Now the 50mm f1.5 Nokton. Darn ... it's been a great line of screw mount lenses. </p> Link to comment Share on other sites More sharing options...
andre_noble5 Posted July 19, 2009 Author Share Posted July 19, 2009 <p>I actually briefly owned the 50 Nokton 1.5 but returned it to b&h because of annoying mechanical play in the barrel - I returned it before testing it optically as I new I would not keep a lens with mechanical play - even of it turned out to be sharp. If the Leica 1.4 summilux aspheric was sanely priced, it would be tops on my list. I have never spent $3,000 on any lens.</p> Link to comment Share on other sites More sharing options...
nee_sung Posted July 19, 2009 Share Posted July 19, 2009 <p>The Sonnar is supposed to be soft wide open. The lens was revived for its soft, classical look at F1.5 which could no longer be found in modern lenses. So it's really just for people who specifically want that soft, classical look at F1.5. If you want a sharp lens at F1.5/1.4 you really shouldn't buy it.<br> All the above were buried somewhere in photonet. I bought the lens after reading those threads and I use it only for that purpose. That must be about 2 years ago. My copy is optimised for F2.8, I think.</p> Link to comment Share on other sites More sharing options...
michael_dimarzio Posted July 20, 2009 Share Posted July 20, 2009 <p>I never shot a modern Z 1.5, but the Sonnar I use on a IIIa was really nice for portraits. For me, I don't want or need a sharp to the corner 50 for portraits, are you sure about your needs in this aspect?</p> <p>My fungus scarred 50/1,5 has always delivered just stinking sweet photos. I never looked at a corner of any portrait, only the face of the subject.</p> <p>As in anotehr thread, absolute resolution is not relevant. So if my definition of a word is not the same as yours I'm ok with that.</p> Link to comment Share on other sites More sharing options...
andre_noble5 Posted July 20, 2009 Author Share Posted July 20, 2009 <p>For me, soft lenses and the 35mm format are not a winning combination, no matter the application. In fact, the opposite is true for me. The ability to resolve fine detail in a 35mm lens is mandatory. You can always soften down any lens you deem to sharp for portraiture - whether through digital manipulation or via Zeiss Softar filter, or a black (or white) fishnet, and so on.</p> <p>If I want a soft lens I'll get a Quantaray or Phoenix lens or lens baby and save a few thousand dolars.</p> <p>Now, we can talk about soft portrait lenses in the 4x5 format most definitely.</p> Link to comment Share on other sites More sharing options...
35mmdelux Posted July 21, 2009 Share Posted July 21, 2009 <p>" I have never spent $3,000 on any lens." Lucky you. Try buying the Noctilux; OUCH!!</p> Link to comment Share on other sites More sharing options...
jeff_drew4 Posted July 21, 2009 Share Posted July 21, 2009 <p>I have the ZM 50mm f/1.5 and no gripes. It is designed for portraiture, people & places and has excellent bokeh and it has a near permanent mounting on my R3a. I like it!<br> Previously had the Nokton 50mm f/1.5 aspheric and had no particular problems or complaints, but I never appreciated it . . . but it is a good all-around 50mm lens. When I sold it and moved into Contax G series, the 45mm was razor sharp and contrasty. Several of my rf lenses went to good homes at that point. The Zeiss Sonnar has that slightly different look, and the Planar is my journalist's sharp edge. Many of the above are excellent lenses, but you know how it is when you find one that fits your interests better than another.</p> Link to comment Share on other sites More sharing options...
marek_fogiel Posted July 22, 2009 Share Posted July 22, 2009 <p>I think your obsession with sharpness wide open can lead into trouble... as has been said above, the sharpest 1.4 lens around is the current Summilux 50, however, now you can buy the new Nokton 50/1.1, and at 1.4 it is sharp enough for less than half the price. If you have never tried the C Sonnar 50 though, I would first take a look at it, as you will never find another 50mm portrait lens like that. The thing about C Sonnar that people unfamiliar with this lens do not realize, is that this lens draws at f 2.8-4 like a mixture of the sharpest f2.0 lens around and an old Canon 50/1.2... I will try to illustrate the point.<br> Here are some wide open shots of C Sonnar:<br> ou will see, that it is not unsharp, but certainly it is not anything clinical, on the other hand the bokeh in the close shots looks like a bokeh of an f 0.75 lens...<br> Now, some shots around f 2.8-3.2, which is what this lens has been designed for in my opinion:<br> http://www.flickr.com/photos/59177039@N00/3534660023/sizes/l/<br> http://www.flickr.com/photos/59177039@N00/870520088/sizes/l/<br> and a couple of colour ones<br> http://www.flickr.com/photos/59177039@N00/1019892254/sizes/l/<br> http://www.flickr.com/photos/59177039@N00/1448603439/sizes/l/<br> At f5.6 and higher, this lens becomes like a normal sharp high quality lens of today:<br> http://www.flickr.com/photos/59177039@N00/2277471713/sizes/l/<br> http://www.flickr.com/photos/59177039@N00/753889835/sizes/o/<br> And finally, you can see a couple of shots for comparison, made with the Canon 50/1.2 RF<br> This one wide open<br> http://www.flickr.com/photos/59177039@N00/3705749751/sizes/l/<br> this one at f2.8<br> http://www.flickr.com/photos/59177039@N00/3727805642/sizes/l/</p> <p>As you can see, in the half body portrait, the bokeh is like that of the C Sonnar at f2.8, but the sharpness is not there to be found, and the lack of sharpness becomes even more apparent at f2.8 - I wish I could have taken that one with the C Sonnar...<br> Last word - if you shoot B&W film, then the choice of the right film and developer can make a huge difference in the final sharpness impression : here are two shots made with the same lens:<br> this one on Agfa Scala, not an unsharp, but rather old style film:<br> http://www.flickr.com/photos/59177039@N00/1559821218/sizes/l/<br> and this one on Delta 400:<br> http://www.flickr.com/photos/59177039@N00/1794817250/sizes/l/<br> The pyro developers excel in hugh acutance images...</p> Link to comment Share on other sites More sharing options...
frederick_muller Posted July 22, 2009 Share Posted July 22, 2009 <p>Marek, your photos are excellent. The C Sonnar shots at f2.8 were spectacular, and illustrated your point beautifully.</p> Link to comment Share on other sites More sharing options...
ralph_jensen Posted July 23, 2009 Share Posted July 23, 2009 <p>If you're looking for a 50mm, I'd consider the 1.5 Nokton if sharpness wide open is important. Although he didn't test the Sonnar, Sean Reid did compare the Nokton to the Summilux wide open, and at least in the center the Nokton compares very favorably for sharpness.</p> <p>Wide open center crops are just before halfway down the review:</p> <p>http://www.luminous-landscape.com/reviews/lenses/fastlensreview.shtml</p> Link to comment Share on other sites More sharing options...
frank_horn Posted July 24, 2009 Share Posted July 24, 2009 <p>Excellent posts here! My 50mm Elmar-M is not mentioned, but then, it is not really in the category of fast lenses. The old saying, "You get what you pay for," seems to apply.</p> Link to comment Share on other sites More sharing options...
andre_noble5 Posted July 24, 2009 Author Share Posted July 24, 2009 <p>"I think your obsession with sharpness wide open can lead into trouble... "</p> <p>It's funny you should say that. Yesterday, I showed a beautiful model a series of portraits I took with the Zeiss Biogon ZM 35 F2 wide open at F2.0 I had completely forgotten about this thread, and simply handed her the photos without saying anything.</p> <p>The first thing she said was that they were "not sharp enough". End of story.</p> <p>By the way. even Erwin Putz (spelling?) has made the same observation on careful testing of this lens. It's not really useable at F2.0 It's great at F 4, F8 etc.</p> <p>End of story.</p> Link to comment Share on other sites More sharing options...
baris_john Posted August 26, 2009 Share Posted August 26, 2009 <p>I had the 50/1.5 C-Sonnar shortly. Quite soft wide open (and deliberatly so). Bokeh was a mixed bag. If you want <strong>sharp </strong> in a 50mm lens and can live with f2 look no further and get a Summicron.</p> Link to comment Share on other sites More sharing options...
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