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New born lenses
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PostPosted: Mon Oct 05, 2009 9:10 pm    Post subject: New born lenses Reply with quote
I am very happy .. I had an angenioux 35 2.5 yes it is a good name but mine had very much scratches on it and it took very soft pictures and it had some color problems but now everything solved .i have an excelent lens..


PostPosted: Mon Oct 05, 2009 9:39 pm    Post subject: Reply with quote
hmmmmm, I guess that means you not to show us a sample? Very Happy


PostPosted: Mon Oct 05, 2009 9:43 pm    Post subject: Reply with quote
Did you get the lens repolished and adjusted, perhaps?


PostPosted: Tue Oct 06, 2009 7:00 am    Post subject: Reply with quote
for 2 days several times i use toothpaste and paper towel after
i use metal polish and dremel for polishing now it is shining and the halo effect finish and softness gone away and it is very sharp..

before polishing

after polishing


PostPosted: Tue Oct 06, 2009 2:56 pm    Post subject: Reply with quote
Hi Doc,

dr.volkan wrote:
for 2 days several times i use toothpaste and paper towel after
i use metal polish and dremel for polishing now it is shining and the halo effect finish and softness gone away and it is very sharp..


This sounds interesting: I have the same lens in very good condition, I heard Angénieux had a tendency to use somewhat softer optical glass for their lenses, so they can get scratched easily, but of course I cannot find definite proofs one way or the other.

Did you take the front lens element out of the cell when polishing? And how bad the scratches were?

I am wondering because I have a (somewhat rare) post-1926 Ernostar 105/1.8 lens, with side-mounted thumbwheel drive focussing helicoid, probably taken out of a SLR version of the Ermanox. It was already out of the camera when I acquired it, but its design had a problem: the rear element surface sticks out in the middle, so it got scratched somewhat when I got it. I got a mount made for it with a screw that goes into a T2-mount and that worked well, but the blotch of scratched bit in the middle gave the same effect as your "before" example. It would be a fond thought to get it fixed again, and I'd like to hear your opinion on that.

Thanks in advance.


PostPosted: Tue Oct 06, 2009 4:07 pm    Post subject: Reply with quote
Seele wrote:
Hi Doc,

dr.volkan wrote:
for 2 days several times i use toothpaste and paper towel after
i use metal polish and dremel for polishing now it is shining and the halo effect finish and softness gone away and it is very sharp..


This sounds interesting: I have the same lens in very good condition, I heard Angénieux had a tendency to use somewhat softer optical glass for their lenses, so they can get scratched easily, but of course I cannot find definite proofs one way or the other.

Did you take the front lens element out of the cell when polishing? And how bad the scratches were?

I am wondering because I have a (somewhat rare) post-1926 Ernostar 105/1.8 lens, with side-mounted thumbwheel drive focussing helicoid, probably taken out of a SLR version of the Ermanox. It was already out of the camera when I acquired it, but its design had a problem: the rear element surface sticks out in the middle, so it got scratched somewhat when I got it. I got a mount made for it with a screw that goes into a T2-mount and that worked well, but the blotch of scratched bit in the middle gave the same effect as your "before" example. It would be a fond thought to get it fixed again, and I'd like to hear your opinion on that.

Thanks in advance.

it was very bad the coating seemed scratch and also the glass were scratch..now it is shining ...


PostPosted: Tue Oct 06, 2009 6:19 pm    Post subject: Reply with quote
The coating is very soft I heard, not the glass. So if you are able to poslish it off, there is stilllight loss of course w/o coating since this is gone - but I#m astonished about the results!!
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