By darkinnersI just got a brand new 50Lux ASPH Silver (11892) few days ago, it's NOS (SN started with 41 and made in 2010).
The lens focus accurately with rangefinder coupling without any adjustment, build is great and optics is flawless.
But the focus ring is quite stiff, especially when focusing from closest towards infinity(clockwise). if I use my index finger on the focus tab, requires quite a bit of force to move the focus ring.
From infinity to close(anti clockwise), doesn't have that "stuck" feel to it or from 1m to either 0.7m or infinity doesn't stuck as well.
Also I notice if I move the focus ring continuously, it's quite smooth.
however once I stop moving the focus ring(stops at any distance) after few seconds or longer. try to move it again.
It will have a "stuck" feel at the initial force and then the focus ring will start moving.
If I do not use focus tab, instead use to 2 fingers to focus directly from the focus ring, it's much smoother.
If I face the lens up to the sky(vertical) the focusing is the most smooth (almost as smooth as my 35lux FLE)
I searched quite a bit on this forum and over the internet, seems some people also complaint this issue.
Some say it's normal, since it's FLE design, rear elements are heavy (My 35lux FLE is extremely smooth though, however you want to focus it, the smooth feel is very consistent)
Some say it's not normal and require CLA.
Some say it's normal for brand new 50asph and will loosen over time.
Some say it's only appears in Silver version, since it's brass and heavier.
This issue is driving me nuts, because it's very hard making fine focus adjustment, when I shoot on the street, it took me 2-3 times longer to focus with 50lux than 35FLE..
Anyone have any thought on this?If this is how it is of the 50lux asph then I am considering selling it to get either cron50 or apo50. despite I love the 50lux handling and image quality.
By AdamInsightsHi All
My first post. Been a Leica M system shooter for about 5 years. I’ve been in the market for a 28mm Summicron and have found one that is ~5 years old being sold by and older gentlemen. Visibly, no scratches, no dents on the tube, and overall seems to be in order and results from tests are good. However, when I remarked that he’d obviously taken care of it he told me he cleaned all his lenses generally every fortnight with fluid and lens tissue (?!) personally I avoid cleaning and always use UVs to protect my lenses and fortunalty never neeed to clean a rear element. However, this lens as good as it looks has been cleaned very regularly whether it needed it or not it seems. The lens certainly reflects green so I’m confident in the UV anti glare coating. Could his cleaning and or the fluid have in anyway weakened the balsam? How strong is the lens cement against pressure or fluid?
I’m keen on buying it but I’d be concerned if he’d in anyway weakened the construction through pressure on the lens or with fluid (Giottos or Inca I believe). Otherwise, if the lens was in a shop and I was told it was new, I’d believe it.
By alpinecineI recently bought a used "mint" Summilux 35 ASPH FLE and upon receiving it I discovered the inside of the lens to be extremely dusty. Needless to say, I returned it immediately. I do wonder how this could be possible though - the lens was sold to the previous owner in 2016/10 so it's been used for about a year. I just can't believe a one-year-old lens can have this much dust in it. Is there some type of design flaw with the FLE version that makes it prone to dust? I'm thinking about getting a new one so I don't want the lens to be like this after a year...
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