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philslizzy
Joined: 07 Aug 2012 Posts: 4748 Location: Cheshire, England
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Posted: Fri Feb 28, 2014 12:38 pm Post subject: Isco Gottingen Westron 35mm f3.5 |
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philslizzy wrote:
I bought this lens for my little Braun family. I have used it several times on the Brauns and got a lot of flare. I thought it was a fingerprint on the lens - but no its clean.
Here are some shots I took today with my NEX. The subject matter was a specific project then I wondered how the Westron would cope with the contrast.
First is Orchids against a black background. Taken with my little Polish PZO MIkar 55mm f4.5 enlarging lens:
now the Westron from the closest focus distance - no crop, at full aperture:
and one thru the window
stopping the lens down makes no difference.
Is this a characteristic of the lens or a fault. It is practically useless for normal work. _________________ Hero in the 'messin-with-cameras-for-the-hell-of-it department'. Official. |
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simbon4o
Joined: 19 Dec 2011 Posts: 390 Location: Bulgaria
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Posted: Fri Feb 28, 2014 2:00 pm Post subject: |
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simbon4o wrote:
Try to clean it, looks like a little dusty to me. _________________ 10-300мм 4.0 - 1.2 - 4.5 NIKON&Sony bodies / Sony 10-18, Pentax 28 2.8 II, CZJ 35 2.4, Nikkor DX 35 1.8, Samyang 35 1.4, KMZ 50 1.7, FDn 50 1.2 L, Nikkor 55 2.8, Rokkor 58 1.2, Soligor 85 1.8 Preset, Samyang 85 1.4, Canon FDn 85 1.2 L, Tokina AT-X 90 2.5, Canon FDn 135mm 2.0, Nikkor 180 2.8 ED, Tair 300 4.5
________
snimo.net |
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calvin83
Joined: 12 Apr 2009 Posts: 7554 Location: Hong Kong
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Posted: Fri Feb 28, 2014 5:30 pm Post subject: |
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calvin83 wrote:
Although it may not as good as the SLR version, it should not be a lemon either. _________________ https://lensfever.com/
https://www.instagram.com/_lens_fever/
The best lens is the one you have with you. |
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Nordentro
Joined: 24 Jun 2010 Posts: 4713 Location: Lillehammer, Norway
Expire: 2015-01-29
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Posted: Fri Feb 28, 2014 10:00 pm Post subject: |
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Nordentro wrote:
I have this lens too. Nice little lens. Pretty good IQ too
Your lens does not look healthy, any marks on the screws? or fungus?
http://forum.mflenses.com/isco-gottingen-westron-13-5-35-m39-braun-paxette-t59372,highlight,%2Bwestron.html _________________ Lars | Manuellfokus.no |
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Mos6502
Joined: 20 Jun 2011 Posts: 961 Location: Austin
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Posted: Fri Feb 28, 2014 10:26 pm Post subject: |
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Mos6502 wrote:
Possibly it has already been cleaned to death. I have an ISCO lens that looks fine at first glance but the glass has had a million tiny scratches scrubbed into it, and the results look like the results here. |
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philslizzy
Joined: 07 Aug 2012 Posts: 4748 Location: Cheshire, England
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Posted: Fri Feb 28, 2014 11:13 pm Post subject: |
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philslizzy wrote:
The dust on it now is from bad storage. Here are a couple of shots taken last october on my Paxette:
The lens itself appears clean and clear to the naked eye, no spots or specks, but I looked again using a loupe and I can see the whole lens covered in a fine network of fungus threads.
Bugger.
However it doesnt look too hard to get into to clean it. Hope it works!
Thanks for the help _________________ Hero in the 'messin-with-cameras-for-the-hell-of-it department'. Official. |
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Nordentro
Joined: 24 Jun 2010 Posts: 4713 Location: Lillehammer, Norway
Expire: 2015-01-29
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Posted: Sat Mar 01, 2014 12:54 am Post subject: |
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Nordentro wrote:
Yes, it looked typical fungus`ish or very, very scratched as Mos mentioned. I recall that the lens itself have a tiny bit of "bloom", but not close to the samples from your lens, just look at my samples.
Good luck with the cleaning.
Cheers
Lars _________________ Lars | Manuellfokus.no |
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