wattsy Posted January 18, 2016 Share #21 Posted January 18, 2016 Advertisement (gone after registration) it really sounds like a design flaw, i am almost buying it, but this matter is holding me back... The recently announced new version of this lens has a completely new barrel design (with threaded hood) which is extremely unlikely to have the same design weakness. Quote Link to post Share on other sites More sharing options...
Advertisement Posted January 18, 2016 Posted January 18, 2016 Hi wattsy, Take a look here 28mm M Summicron ASPH small problem. I'm sure you'll find what you were looking for!
jmahto Posted January 18, 2016 Share #22 Posted January 18, 2016 (edited) it really sounds like a design flaw, i am almost buying it, but this matter is holding me back...Maybe a design flaw but it doesn't mean majority of these crons suffer from it. You only hear about the cases where the problem surfaced. If you like the lens overall for your purpose then just get it and enjoy it. I love mine and never had problem in three years of ownership. It is my go to lens. Since I know that this could be a potential problem, I just keep an eye on it. Edited January 18, 2016 by jmahto 1 Quote Link to post Share on other sites More sharing options...
Frase Posted January 18, 2016 Share #23 Posted January 18, 2016 As already said the Summilux hood is much nicer, I've never had any problems with mine. 16fbpicsummicronhood_01 by f4saregreat!, on Flickr Quote Link to post Share on other sites More sharing options...
Abram Posted January 22, 2016 Share #24 Posted January 22, 2016 (edited) I just got my 28 Summicron and mine comes loose basically every time I use the lens. I just keep a small screwdriver handy (an eyeglass repair kit actually, perfect size) and tighten it when necessary. I had the same problem with my previous 28 Elmarit vIII. I tried Loctite and that unfortunately did not help either. I will probably have to send it to Leica eventually. Despite that, I love the lens, it is so crisp and enjoyable to shoot with. I left the original hood in the pouch and picked up the Pre-FLE 35mm hood and that works fairly well but I agree it does slightly interfere with the aperture ring. So despite any minor grievance I sure do love the output of this lens and I am grateful to have one. Edited January 22, 2016 by Abram Quote Link to post Share on other sites More sharing options...
Rick Posted January 23, 2016 Share #25 Posted January 23, 2016 Mine is from 2007. I have read about this but, never had the pleasure myself. This is my most shot lens. Probably 80% of the time on the camera. No problems. Go figure. Rick 1 Quote Link to post Share on other sites More sharing options...
Guest Posted January 23, 2016 Share #26 Posted January 23, 2016 Mine is from 2007. I have read about this but, never had the pleasure myself. This is my most shot lens. Probably 80% of the time on the camera. No problems. Go figure. Rick I have had mine a similar time and have never had any problem. I treat my gear with a reasonable level of care but do not go overboard. Great performer. I would not hesitate in reccomending. BrianP Quote Link to post Share on other sites More sharing options...
Abram Posted January 25, 2016 Share #27 Posted January 25, 2016 Advertisement (gone after registration) Mine is from 2003, so it seem sometime between 2003-2007 they figured out how to stabilize it . I wouldn't let it detract anyone from buying the lens, it's such a great performer and it sounds like there is a viable solution for it from Leica. Quote Link to post Share on other sites More sharing options...
lct Posted January 25, 2016 Share #28 Posted January 25, 2016 No problem with mine either (2005) Quote Link to post Share on other sites More sharing options...
Malvolio Posted January 26, 2016 Share #29 Posted January 26, 2016 No problem with mine (2013) although I concede I don't use mine with the hood at all. Quote Link to post Share on other sites More sharing options...
lawman Posted January 26, 2016 Share #30 Posted January 26, 2016 I just finished tightening mine - again[emoji30] I had thought of using some red locktite or a drop of black paint. Can those who failed with locktite come up with why it failed? What color did you use? Those who had leica repair it, does it look filled with paint? Thanks Quote Link to post Share on other sites More sharing options...
Abram Posted January 27, 2016 Share #31 Posted January 27, 2016 I used blue loctite (220 I think) on mine and it didn't seem to help at all. Quote Link to post Share on other sites More sharing options...
lawman Posted January 27, 2016 Share #32 Posted January 27, 2016 I used blue loctite (220 I think) on mine and it didn't seem to help at all. Abram - thanks for the reply - did you remove the screws and coat the threads? Did you clean off any lubricant first? I can't understand why blue locktite wouldn't work [emoji35] Quote Link to post Share on other sites More sharing options...
Abram Posted January 29, 2016 Share #33 Posted January 29, 2016 I did remove them and coat the threads but I foolishly forgot to clean them first (which I'm just now realizing) I'm going to try it again tomorrow and see if it helps. Quote Link to post Share on other sites More sharing options...
lawman Posted January 29, 2016 Share #34 Posted January 29, 2016 Good plan - please let us know if it works [emoji106] Quote Link to post Share on other sites More sharing options...
Herr Barnack Posted February 1, 2016 Share #35 Posted February 1, 2016 (edited) It's a well-documented, and common design fault with the 28mm Summicron. The three miniscule screws around the front of the barrel work loose. I had the same thing with mine - it drove me nuts having to keep tightening the screws. It was ruining my enjoyment of the lens. Ended up sending it back to Solms, and they fixed the problem. I'm not sure what they did, but the holes where the screws were appear to have been filled in with some compound. I cannot see the screw heads at all. Best wishes, Colin Here's hoping that this shortcoming has been resolved in the new and improved 28 'cron ASPH that is going to land on dealer's shelves this month (February 2016). The four screws in the hood of the plastic lens hood will be gone, as the new lens hood will be of the metal screw in design, a vast improvement in my view. I have this type of lens hood with my 21/3.4 ASPH and it is light years better than the plastic hood that came with my now departed 28 'cron of 2003 vintage. Edited February 1, 2016 by Carlos Danger 1 Quote Link to post Share on other sites More sharing options...
Abram Posted February 14, 2016 Share #36 Posted February 14, 2016 So after trying loctite again it wasn't holding. I've been having to tighten my lens multiple times a day and unfortunately, despite being careful and not forceful, I've now sheared off one of the heads on the bottom screw. Now I'm really in a bind. I'm going to have to send it to Leica. I emailed their service center in NJ (I think, I used the contact info I had on hand) and I'm still awaiting a reply. Quote Link to post Share on other sites More sharing options...
lawman Posted February 14, 2016 Share #37 Posted February 14, 2016 Abram - very sorry to hear your news - I was hoping the loctite would work[emoji30] I have not been using the large Leica lens hood but am using a much smaller lighter eBay version and so far my lens has only loosened a few times and was easily tightened. Please post once you hear back from Leica with their fix solution. Thanks Quote Link to post Share on other sites More sharing options...
Abram Posted February 14, 2016 Share #38 Posted February 14, 2016 Yeah I thought t would work too but no luck. I don't use the original hood, but rather the one from the 35mm Summilux ASPH. I think what I might do is reach out to my contact at the Leica Store and see if they can help me arrange a fix. Quote Link to post Share on other sites More sharing options...
MarkP Posted February 14, 2016 Share #39 Posted February 14, 2016 It has been one of my most used lenses now for 5 years. I primarily use the 35 Summilux hood and sometimes the scalloped metal hood. Never had a problem with mine. Quote Link to post Share on other sites More sharing options...
Abram Posted February 14, 2016 Share #40 Posted February 14, 2016 Well I'm going to send mine in and hopefully Leica will be able to sort it out. I admit it's a little discouraging to have such a finely crafted lens have such a seemingly simple oversight in its design, but if they get it fixed up for me I'll be plenty happy. It delivers such spectacular quality otherwise! 1 Quote Link to post Share on other sites More sharing options...
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