aaron_johnston Posted January 4, 2006 Share Posted January 4, 2006 I am going to buy one these but I am not yet sure which. Any advicewould be appreciated. I don't shoot many portraits and I'm really into low-lightphotography. I usually shoot Tri-X 400 and sometimes color 100 films.I understand the 75 is a little soft wide open but in apainterly/narrow-DoF way. I enjoy this look quite a lot (I also own aNoctilux.) I am wondering if I would be able to achieve good resultsin this style with the 90 wide open. From what I have read, the 90ASPH is a very sharp lens but does it have particurly distinctbokeh/wide aperture appeal? Link to comment Share on other sites More sharing options...
mark_unlisted Posted January 4, 2006 Share Posted January 4, 2006 Can't fully answer your question. I have the 90 pre-Asph Summicron and the 75 Summilux. Wide open, the 75 is sharper than the 90. I have heard that the 90 ASPH-APO is much better. I actually keep thinking of selling the 75 and 90 and buying a 90 Asph as I do not use the 75 much but I never seem able to part with it. I would part with the 90 without hesitation. It is a good lens but just not quite as sharp wide open as I want. Link to comment Share on other sites More sharing options...
Craig_Cooper11664875449 Posted January 4, 2006 Share Posted January 4, 2006 aaron, Im in complete lazy mood tonite so heres the link you have to cut and paste http://www.photo.net/photo/3314742&size=lg This is an example of bokeh from the 90mm SAA wide open Link to comment Share on other sites More sharing options...
peter_yankin Posted January 4, 2006 Share Posted January 4, 2006 " I am going to buy one these but I am not yet sure which. Any advice would be appreciated." Unless you can't stomach the thought of being seen with an <$1000 lens, figure the non-APO 90 Summicron into the mix. With all 3 wide open, it's closer to the character of the 75 Summilux than the APO. Link to comment Share on other sites More sharing options...
nikos peri Posted January 6, 2006 Share Posted January 6, 2006 <img src="http://photos.photosig.com/photos/94/16/1471694-b63049c0c0df8e37.jpg" width="460" height="321" class="outlined"><br> Summilux 75<p> Tried this one when asking myself the same question. Ended up not getting it and going for the 90 Summilux. By the way, the BG here is a cluttered shower, with tiled walls... Would have to dig a little for a 90mm sample, but the extra focal length goes some way to make up for the lesser aperture in terms of DOF.<p> Focusing the 75mm wide open is a bit of a bear, particularly on a 0.72 Link to comment Share on other sites More sharing options...
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