OK... so how much does the seeming ever present to some degree Schneideritis to (older?) Schneider lenses effect their performance? Rodenstockitis, Zeissitis, and Nikkoritis seem to never be mentioned.
I've used (and still use) several vintage lenses with plenty of xxxxitis, subjectively without effecting the images they throw. Most of my exposures made a f/45 and f/64.... is the effect of Schneideritis less felt at these small apertures?
My 210 Symmar-S has a considerable amount of Schneideritis (more than the 300 that SepiaReverb is selling) and I've never been able to see any affect on the images. Most of my exposure is at bigger apertures.
My 180mm Symmar-S is moderately afflicted. Yet, I'm a skeptic that this doesn't have an affect. How would one know, unless a side-by-side comparison were done with pairs of lenses in the same focal length. (One afflicted, and one not.) I mean really, all that reflected light dancing around inside the lens?Originally Posted by BrianShaw
If it were to have an affect, I suspect that it would be in overall flare. In small quantities, I think this would be hard to detect without having a control image (from a non-afflicted lens) against which to compare.
One of these days, I'll swap out my 180mm for something more recent . . . and not afflicted.
OMG! I just checked, and I'm afflicted with Fujiitis!! Here is my Fujinon A 180mm f9.
I'm starting to feel itchy already! I'm heading out to the pharmacy to get some Valium and Sleeping pills right now!
I may never sleep or shoot again!
Regarding "Schneideritis", no fungus comes in play.
Real Schneideritis seems to be a bit more than only missig some colour.
What I have seen are spots between the colour (which seems to be , as said before, more a coating than a painting) and the glass, but the coatings themselves has been fine.
This eventually means that this coating reacts in anyway with the glass over the time.
This further may result in tiny holes .
Once I had to open an Angulon with rattling lenscells, and this are some impressions from inside:
So far, and well known.
But in looking from another perspective, I would not say that Schneideritis isn't causing problems in some cases:
Unfortunately the client didn't want decoating me the black coating, and he has not tried this lens after my restoring - but I really expect some problems.
Ritchie
No effect on IQ, just on resale value.
And there's Fuji-itis as well.
Nor have I seen it affect things on that 300.
And Minoltaitis, I had a Minolta 28 lens in M mount for many years, from the CLE, that also had lots of spots around the edge that I never could see an effect from either.
I'm tempted to say that Jos. Schneider & Co. designed it in, purely and simply to afflict the anal-retentive perfectionists among us (you know who you are). But I don't know that for sure, so I won't.
Jos. Schneider or Schneider Kreuznach? Two different companies. The second succeeded the first after it went bankrupt.
Yes... it's a feature, not a flaw... I read that on the internet!
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