Sergius Posted December 23, 2019 Share #61  Posted December 23, 2019 Advertisement (gone after registration) Here more complete informations (but in Italian) : http://www.wetzlar-historica-italia.it/summicron35-2-4.html  Link to post Share on other sites More sharing options...
Advertisement Posted December 23, 2019 Posted December 23, 2019 Hi Sergius, Take a look here differences between Summicron 35 "king of bokeh" and Summicron ASPH. I'm sure you'll find what you were looking for!
lct Posted December 23, 2019 Share #62  Posted December 23, 2019 1 hour ago, Sergius said: Here more complete informations (but in Italian) : http://www.wetzlar-historica-italia.it/summicron35-2-4.html  Serial numbers 3.390.000 and 3.410.000 referred to in this link do not pertain to M but to R cameras according to the Erwin Puts' pocket book. Do you know the author of this Italian review? Link to post Share on other sites More sharing options...
Sergius Posted December 23, 2019 Share #63  Posted December 23, 2019 (edited) He’s a very reputable guy. He’s a coauthor of Cavina. In Italy, there are a few of very experts about Leica. Some of these say that numbers of Erwin Puts are not always correct. In any case there’s no contradiction about this point. Germany (new model ) : From 339xxxxx Canada (new model) : From 341xxx Just check your serial and nationality and you understand if a newer model or not. For example I have a Canada 341185xx in-fact it’s a model with frontal ring in metal. Edited December 23, 2019 by Sergius Link to post Share on other sites More sharing options...
lct Posted December 23, 2019 Share #64  Posted December 23, 2019 47 minutes ago, Sergius said: He’s a very reputable guy. He’s a coauthor of Cavina. In Italy, there are a few of very experts about Leica. Some of these say that numbers of Erwin Puts are not always correct. In any case there’s no contradiction about this point. Germany (new model ) : From 339xxxxx Canada (new model) : From 341xxx [...] I sympathise with what you say Sergius but this would mean than more than the half of the total production would be a newer model since 1986 which i feel difficult to believe but i may be wrong . Link to post Share on other sites More sharing options...
Sergius Posted December 24, 2019 Share #65  Posted December 24, 2019 43 minutes ago, lct said: I sympathise with what you say Sergius but this would mean than more than the half of the total production would be a newer model since 1986 which i feel difficult to believe but i may be wrong . I don't know lct.... I'don't know the volume of production. But in my experience I can say It's correct (if you want a "newer" model ) this classification. You can simply check the serial number and see the material of frontal ring. An another trick is the weight of lens (only for the black one, of course) It's passed from 150 gr. to 200 gr. Link to post Share on other sites More sharing options...
lct Posted December 24, 2019 Share #66  Posted December 24, 2019 Santa should bring me a German-made copy if i mind my manners. Its serial number is high enough to avoid nasty surprises hopefully.  Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members!  1 Link to post Share on other sites Simply register for free here – We are always happy to welcome new members!  ' data-webShareUrl='https://www.l-camera-forum.com/topic/303547-differences-between-summicron-35-king-of-bokeh-and-summicron-asph/?do=findComment&comment=3878582'>More sharing options...
Stein K S Posted December 24, 2019 Share #67  Posted December 24, 2019 Advertisement (gone after registration) 13 hours ago, Sergius said: Your Cron 371xxx has the frontal ring in metal. So no plastic part. It’s ok. Nice! Thanks and enjoy the holiday! 1 Link to post Share on other sites More sharing options...
lct Posted December 28, 2019 Share #68  Posted December 28, 2019 On 12/24/2019 at 1:38 AM, Sergius said: An another trick is the weight of lens (only for the black one, of course) It's passed from 150 gr. to 200 gr. Problem is my German copy from 1991 (3553*** above) weighs 156g. Mystery thickens... 1 Link to post Share on other sites More sharing options...
Sergius Posted December 28, 2019 Share #69  Posted December 28, 2019 2 minutes ago, lct said: Problem is my German copy from 1991 (3553*** above) weighs 156g. Mystery thickens... Your scale is ok ? Did you weigh the old one Canada ?  Link to post Share on other sites More sharing options...
a.noctilux Posted December 28, 2019 Share #70  Posted December 28, 2019 (edited) 45 minutes ago, lct said: Problem is my German copy from 1991 (3553*** above) weighs 156g. Mystery thickens... Don't worry Lct, your copy is not "plastic inside", if 156g is without cap or hood, that is the "good one" in my experiences. In last decades, I had in my hand maybe dozen of Summicron 35mm IV, old aborted project to make kind of statistics of renderings. Those were Wetzlar or Canada made , as I've found and the best ways to find out which " plastic" which "non plastic" : - at front the ring is larger and colored in "brownish plastic" that one is "plastic inside", Lct your copy is "solid" metallic front ring with serial number and E39 is one of the non-plastic unit compare also the 2 slots for tools in this front ring - second evidence weight : 130-135g = "plastic inside" and my non plastic units weight 150-155g  "Plastic-inside" looks like this one Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members!   No plastic inside, Germany (one that I sold some time ago)  Edited December 28, 2019 by a.noctilux 1 1 Link to post Share on other sites Simply register for free here – We are always happy to welcome new members!   No plastic inside, Germany (one that I sold some time ago)  ' data-webShareUrl='https://www.l-camera-forum.com/topic/303547-differences-between-summicron-35-king-of-bokeh-and-summicron-asph/?do=findComment&comment=3880714'>More sharing options...
lct Posted December 28, 2019 Share #71  Posted December 28, 2019 8 minutes ago, Sergius said: Your scale is ok ? Did you weigh the old one Canada ?  The scale is OK but i have not my Canadian copy on hand so i cannot compare the color of what you call the front ring. Last time i checked it weighed about 150g if memory serves. Link to post Share on other sites More sharing options...
lct Posted December 28, 2019 Share #72  Posted December 28, 2019 I can't seem to view your pic Arnaud. Link to post Share on other sites More sharing options...
Sergius Posted December 28, 2019 Share #73  Posted December 28, 2019 3 minutes ago, lct said: I can't seem to view your pic Arnaud. Don't worry Ict.... You 35xxxxx has the metal ring for sure. Link to post Share on other sites More sharing options...
lct Posted December 28, 2019 Share #74 Â Posted December 28, 2019 I'm just trying to understand where that "front ring" stands exactly. 1 Link to post Share on other sites More sharing options...
a.noctilux Posted December 28, 2019 Share #75  Posted December 28, 2019 (edited) ID ring. "plastic inside" is surrounded by "plastic gray/brown larger ring"  Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members!  While On the other type, the ID ring "non plastic one" has flatter slots surrounded by thinner ring. Edited December 28, 2019 by a.noctilux 1 Link to post Share on other sites Simply register for free here – We are always happy to welcome new members!  While On the other type, the ID ring "non plastic one" has flatter slots surrounded by thinner ring. ' data-webShareUrl='https://www.l-camera-forum.com/topic/303547-differences-between-summicron-35-king-of-bokeh-and-summicron-asph/?do=findComment&comment=3880728'>More sharing options...
lct Posted December 28, 2019 Share #76  Posted December 28, 2019 OK thanks but the plastic parts Marco Cavina refers to look different. In red in the graph below. Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/303547-differences-between-summicron-35-king-of-bokeh-and-summicron-asph/?do=findComment&comment=3880732'>More sharing options...
lct Posted December 28, 2019 Share #77  Posted December 28, 2019 8 hours ago, a.noctilux said: "plastic inside" is surrounded by "plastic gray/brown larger ring" Got it thank you. I thought some inner plastic parts were visible through the glass. Link to post Share on other sites More sharing options...
a.noctilux Posted December 28, 2019 Share #78  Posted December 28, 2019 8 hours ago, lct said: OK thanks but the plastic parts Marco Cavina refers to look different. In red in the graph below. Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Interesting technical drawing, thanks lct. We can see here clearly the plastic parts and relation of the front plastic part inside.  I'd like to see the non-plastic "same" technical drawing 😎 1 Link to post Share on other sites More sharing options...
lct Posted December 28, 2019 Share #79 Â Posted December 28, 2019 35 minutes ago, a.noctilux said: Interesting technical drawing, thanks lct. Comes from my link to Marco Cavina's article here: Â Link to post Share on other sites More sharing options...
Ray Vonn Posted February 15, 2020 Share #80  Posted February 15, 2020 On 11/18/2019 at 5:29 PM, adan said: A different example of v.4 bokeh at f/2 (digital, M9). In this case I found it quite brilliant, interesting and effective. Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! I know most people don't but I actually love that bokeh, it's unlike that of other lenses I've used and that's why I love my copy of the v4. I'd like to know whether other lenses have that same characteristic. 1 Link to post Share on other sites More sharing options...
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