algrove Posted November 6, 2013 Share #501 Posted November 6, 2013 Advertisement (gone after registration) So far so good. I have silvery rings (or at least one) in the back of mine so then perhaps a Solms fix will be in order. Link to post Share on other sites More sharing options...
Advertisement Posted November 6, 2013 Posted November 6, 2013 Hi algrove, Take a look here APO Summicron 50/2 ASPH: Central veiling flare / fogging. I'm sure you'll find what you were looking for!
skuromis Posted November 6, 2013 Share #502 Posted November 6, 2013 What, exactly, is "online" production? Hi, with online I've meant to say in one line, i.e. you feed a machine with all ingredients, press a button and finished product arrives at the end of the line. Link to post Share on other sites More sharing options...
JHellow Posted November 7, 2013 Share #503 Posted November 7, 2013 So far so good. I have silvery rings (or at least one) in the back of mine so then perhaps a Solms fix will be in order. Sent mine back today. I have noticed some losses in central contrast even at f/4 and the two silver rings when viewed from the front were pretty obvious. None of my telescopes ever showed this level of internal reflection from the front. The opticians were always careful to blacken or baffle to eliminate internal reflections. Don't know how Leica could have missed this. It will be interesting to see how long it takes to get back. I have asked that the lens be Fed Exed at all legs. I guess the 35mm Summilux is going to get a bunch more use of the next couple of months. Link to post Share on other sites More sharing options...
MarkP Posted November 7, 2013 Share #504 Posted November 7, 2013 If it's the main problem causing the flare I'm amazed that all possible internal reflective surfaces were not blacked out or baffled from the beginning. I'm still astounded that this was not identified on pre-relase testing. But what would I know, I don't design and build lenses.... Still must very embarrassing for the one of Leica's flagship M-lenses... and more frustrating for it's owners. Link to post Share on other sites More sharing options...
algrove Posted November 7, 2013 Share #505 Posted November 7, 2013 If it's the main problem causing the flare I'm amazed that all possible internal reflective surfaces were not blacked out or baffled from the beginning.I'm still astounded that this was not identified on pre-relase testing. But what would I know, I don't design and build lenses.... Still must very embarrassing for the one of Leica's flagship M-lenses... and more frustrating for it's owners. Oh, yes! Link to post Share on other sites More sharing options...
lct Posted November 7, 2013 Share #506 Posted November 7, 2013 If baffling is the only problem it won't be difficult to fix though. But is it really the only problem? Leica's silence becomes deafening imho. Link to post Share on other sites More sharing options...
algrove Posted November 7, 2013 Share #507 Posted November 7, 2013 Advertisement (gone after registration) If baffling is the only problem it won't be difficult to fix though. But is it really the only problem? Leica's silence becomes deafening imho. How true. Someone mentioned that they saw on their work order from Leica something about the QC department working on the front area of the lens and not just the baffling. Link to post Share on other sites More sharing options...
jaapv Posted November 7, 2013 Share #508 Posted November 7, 2013 The Leica Repair Tracking Site… at first it gave repair status updates when provided with the serial number of the item being repaired. Now it just gives a blank page. I wonder what's up with that? Leica Camera AG - Service - repair tracking probably it is being set out to you - but do give them a call and ask. Link to post Share on other sites More sharing options...
helged Posted November 7, 2013 Share #509 Posted November 7, 2013 Just received the 50/2 AA from Solms an hour ago. The silvery rings inside the lens are gone, so it seems internal blackening has been performed. Will be shooting with the lens as soon as the current bad weather recedes. As reported elsewhere in this thread, I am one of those that do not see particular flare issues with the 50/2 AA. I don't see the above-mentioned silver ring(s) either, so there is a possible link there. But as long as we positively don't know the reason(s) for the flaring, I may send in the lens for a check nevertheless. Link to post Share on other sites More sharing options...
algrove Posted November 7, 2013 Share #510 Posted November 7, 2013 As reported elsewhere in this thread, I am one of those that do not see particular flare issues with the 50/2 AA. I don't see the above-mentioned silver ring(s) either, so there is a possible link there. But as long as we positively don't know the reason(s) for the flaring, I may send in the lens for a check nevertheless. helge Interesting. So you cannot see even one silver ring even way in the back of the lens when looking from the front? About when was your lens delivered to you? Link to post Share on other sites More sharing options...
helged Posted November 7, 2013 Share #511 Posted November 7, 2013 So you cannot see even one silver ring even way in the back of the lens when looking from the front? About when was your lens delivered to you? I will recheck in daylight tomorrow, but I did not see the reported silver rings with the available in-house light. I changed the inspection angle and I turned the focus ring. No silver ring to be seen... (the aperture at f2, of course). The lens was bought in Feb (2013). I don't recall when the lens started to ship, but I guess the copy I have must belong to the early runners. Link to post Share on other sites More sharing options...
FPB Posted November 7, 2013 Share #512 Posted November 7, 2013 I will recheck in daylight tomorrow, but I did not see the reported silver rings with the available in-house light. I changed the inspection angle and I turned the focus ring. No silver ring to be seen... (the aperture at f2, of course). The lens was bought in Feb (2013). I don't recall when the lens started to ship, but I guess the copy I have must belong to the early runners. Really interesting. Same here. Got my copy in Feb 2013 and cannot find "silver rings" inside. Checked yesterday under direct LED light at f2. Middle grey structures show up, but nothing like "silver". Never had any problems with my copy, no flare or low contrast. Leica should release a statement: although I had no problems this makes me a little bit nervous or somewhat angry Best Bill Link to post Share on other sites More sharing options...
k-hawinkler Posted November 7, 2013 Share #513 Posted November 7, 2013 I would be tempted by that lens if Leica could guarantee to deliver a perfect copy, wondering how it would perform on the 36 MP of the 7R. Link to post Share on other sites More sharing options...
biglou Posted November 7, 2013 Share #514 Posted November 7, 2013 I kept my order going and think that when they come again the problems will be past history. Link to post Share on other sites More sharing options...
algrove Posted November 7, 2013 Share #515 Posted November 7, 2013 I would be tempted by that lens if Leica could guarantee to deliver a perfect copy, wondering how it would perform on the 36 MP of the 7R. K-H I will tell you as I receive it as I will use my a7R with any and all lenses I can attach to it. Link to post Share on other sites More sharing options...
platypus Posted November 8, 2013 Share #516 Posted November 8, 2013 As my APO 50 (delivered early July 2013) has had a really clean track record regarding flare (or patches of low contrast) I have not bothered to check for the dreaded silver rings until today. Result: it (very obviously) has a silver ring. However I am not contemplating returning the lens for a check up as there is absolutely nothing wrong with it. Link to post Share on other sites More sharing options...
k-hawinkler Posted November 8, 2013 Share #517 Posted November 8, 2013 As my APO 50 (delivered early July 2013) has had a really clean track record regarding flare (or patches of low contrast) I have not bothered to check for the dreaded silver rings until today.Result: it (very obviously) has a silver ring. However I am not contemplating returning the lens for a check up as there is absolutely nothing wrong with it. Dee, I may be confusing this but I recall you showing an image with a flare taken with this lens, no? Why take an unnecessary risk? If it were me, I would have it checked out by Leica in Solms. Link to post Share on other sites More sharing options...
platypus Posted November 8, 2013 Share #518 Posted November 8, 2013 Dee, I may be confusing this but I recall you showing an image with a flare taken with this lens, no? Why take an unnecessary risk? If it were me, I would have it checked out by Leica in Solms. K-H, you are absolutely correct, on that single occasion it did produce the most horrible example of central flare (the photo I posted) however that was not long after I took delivery of the lens and it has never again produced the same phenomena. There have been a few incidents of "normal" flare but only on occasions when I had been careless and any other lens would have done the same. To be perfectly honest I rely on that lens so much and could not cope with having to be without it for an unknown amount of time and for maybe no valid reason. Link to post Share on other sites More sharing options...
MarkP Posted November 8, 2013 Share #519 Posted November 8, 2013 If you can cope without it I would agree that it should be returned. 1. It may well flare and ruin your greatest photograph of all time . 2. Should you ever sell it in the future potential buyers will lkiely be aware of this issue and may well check the lens. regards, Mark Link to post Share on other sites More sharing options...
biglou Posted November 8, 2013 Share #520 Posted November 8, 2013 As my APO 50 (delivered early July 2013) has had a really clean track record regarding flare (or patches of low contrast) I have not bothered to check for the dreaded silver rings until today.Result: it (very obviously) has a silver ring. However I am not contemplating returning the lens for a check up as there is absolutely nothing wrong with it. May i ask you if the better definition of this lens wide open compared to its predecessor or summilux holds when the diaphragm is closed at 5.6 or 8 ? Could you compare ? Link to post Share on other sites More sharing options...
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