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Pancolart
Joined: 04 Feb 2008
Posts: 3705
Location: Slovenia, EU
Expire: 2013-11-18
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 Posted: Tue Nov 12, 2013 10:49 am Post subject: The lens bug. Not a LBA story. |
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Pancolart wrote:
It would be funny if it wasn't true. Well it probably still is funny for you, but certainly not for me.
I am among those who fear putting lenses in air-proof plastic. I display them openly or half openly (partially covered). But i've encountered a serious problem.
A lens bug.
This creature really loves manual focus lens atmosphere. It inhabited 4 of my lenses through time already. I am afraid it will reach some of more expensive ones.
Do you have an idea of how to fight it? And what evil animal that is in fact?
Here few shots out of recently invaded Fuji EBC 1.6/50mm.
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Dogtag
Joined: 27 Jul 2013
Posts: 164
Location: Holland del norte
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| Posted: Tue Nov 12, 2013 11:04 am Post subject: |
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Dogtag wrote:
I'm going to consult an expert  (in insects )
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Konica AR fan
Konica AR, 135/2.5 135/3.2 135/3.5 100/2.8 85/1.8 55/3.5-macro 57/1.2 57/1.4 50/1.4 52/1.8 50/1.7(3x) 40/1.8 35/2.8 35/2 28/1.8 24/2.8
Missing UC 15mm and 21mm  |
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Layer-cake
Joined: 18 Mar 2013
Posts: 560
Location: Cape Town
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| Posted: Tue Nov 12, 2013 11:10 am Post subject: |
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Layer-cake wrote:
Looks similar to the bugs i had eating the glue under the wooden flooring in the one flat I rented, used to gather them together and fed them to my praymantis!!
You could probably kill them off with a uv bath, which will also kill off any eggs they might have laid but I would suggest a good insecticide or fumigation to cut them off at the source in the house if you're not sure where they are coming from. |
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norland
Joined: 10 Aug 2013
Posts: 165
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| Posted: Tue Nov 12, 2013 11:12 am Post subject: |
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norland wrote:
Remember reading about such things (mites?) a long time ago .... afaicr, the solution was said to be the same as for when
there's a suspicion of wood-boring insects in items from abroad like kukri handles .... at least a week in an airtight bag in the deep freeze.
But perhaps care would need to be taken not to freeze and defrost too rapidly. |
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ZoneV
Joined: 09 Nov 2009
Posts: 1632
Location: Germany
Expire: 2011-12-02
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| Posted: Tue Nov 12, 2013 11:13 am Post subject: |
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ZoneV wrote:
Oh, bad thing. Future fungus alarm :-/
In one lens I found fungus around a dead insect - I htink they are ideal fungus starters.
But I don´t have a good idea how to prevent this, sorry.
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I AM A LENS NERD!
Epis, Elmaron, Emerald, Ernostar, Helioplan and Heidosmat.
Epiotar, Kameraobjektiv, Anastigmat, Epis, Meganast, Magnagon, Quinar, Culmigon, Novotrinast, Novflexar, Colorplan, Sekor, Kinon, Talon, Telemegor, Xenon, Xenar, Ultra, Ultra Star. Tessar, Janar, Visionar, Kiptar, Kipronar and Rotelar.
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Pancolart
Joined: 04 Feb 2008
Posts: 3705
Location: Slovenia, EU
Expire: 2013-11-18
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| Posted: Tue Nov 12, 2013 11:25 am Post subject: |
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Pancolart wrote:
| ZoneV wrote: |
Oh, bad thing. Future fungus alarm :-/
In one lens I found fungus around a dead insect - I htink they are ideal fungus starters.
But I don´t have a good idea how to prevent this, sorry. |
Let me add what you see on photos might only be remains of the insect. The hairy thing is so light i suspect the creature left already.
Little less fear for fungus but still darn ugly.
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Dogtag
Joined: 27 Jul 2013
Posts: 164
Location: Holland del norte
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| Posted: Tue Nov 12, 2013 11:52 am Post subject: |
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Dogtag wrote:
Ok guys asked around Google+ and Deb Yarrow http://www.inluminis.com/ and Bart Declercq (confirmed it) diagnosed it as a Carpet Beetle Larvae
Know you know what it is and where it comes from
Edit:> wow didn't know that is was possible and didn't know that it was suck a big file from flickr. Sorry corrected.
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Konica AR fan
Konica AR, 135/2.5 135/3.2 135/3.5 100/2.8 85/1.8 55/3.5-macro 57/1.2 57/1.4 50/1.4 52/1.8 50/1.7(3x) 40/1.8 35/2.8 35/2 28/1.8 24/2.8
Missing UC 15mm and 21mm
Last edited by Dogtag on Tue Nov 12, 2013 3:32 pm; edited 2 times in total |
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macheck
Joined: 30 Oct 2013
Posts: 131
Location: Poland
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| Posted: Tue Nov 12, 2013 2:16 pm Post subject: |
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macheck wrote:
Hello Dogtag would you be so kind and resize the bug picture.
Btw, I didn't know that there is a possibility to post those sizes.
Macheck |
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Dogtag
Joined: 27 Jul 2013
Posts: 164
Location: Holland del norte
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| Posted: Tue Nov 12, 2013 3:37 pm Post subject: |
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Dogtag wrote:
Carpet beetle as the name implies live in or near fabric, fur or leather. so look in the insides of your lens cases (often fabric lining) Or you just have a larger problem and the reside in your (presumably) carpet. Check the carpets and use bugspray on the lens cases. If not worky: kill it with fire 
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Konica AR fan
Konica AR, 135/2.5 135/3.2 135/3.5 100/2.8 85/1.8 55/3.5-macro 57/1.2 57/1.4 50/1.4 52/1.8 50/1.7(3x) 40/1.8 35/2.8 35/2 28/1.8 24/2.8
Missing UC 15mm and 21mm |
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Layer-cake
Joined: 18 Mar 2013
Posts: 560
Location: Cape Town
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| Posted: Tue Nov 12, 2013 4:09 pm Post subject: |
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Layer-cake wrote:
Kill it with FIRE!!! |
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Pancolart
Joined: 04 Feb 2008
Posts: 3705
Location: Slovenia, EU
Expire: 2013-11-18
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| Posted: Tue Nov 12, 2013 4:48 pm Post subject: |
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Pancolart wrote:
Thanks for solving it. Another suggestion came up on Slovene forum - Anthrenus Verbasci larva:
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skida
Joined: 02 Mar 2012
Posts: 1826
Location: North East England
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| Posted: Tue Nov 12, 2013 6:16 pm Post subject: |
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skida wrote:
| Pancolart wrote: |
Thanks for solving it. Another suggestion came up on Slovene forum - Anthrenus Verbasci larva:
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That is the latin name for the varied carpet beetle.
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calvin83
Joined: 12 Apr 2009
Posts: 7575
Location: Hong Kong
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| Posted: Tue Nov 12, 2013 6:27 pm Post subject: |
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calvin83 wrote:
I would suggest you participate the the photo contest of Best Picture of Stuff Inside a Lens @ Lensrental.com. 
http://forum.mflenses.com/lensrental-com-photogeek-photo-contest-t62296.html
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Nesster
Joined: 24 Apr 2008
Posts: 5883
Location: NJ, USA
Expire: 2014-02-20
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| Posted: Tue Nov 12, 2013 7:34 pm Post subject: |
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Nesster wrote:
+1, I was going to suggest the Lensrentals contest as well.
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iangreenhalgh1
Joined: 18 Mar 2011
Posts: 15679
Expire: 2014-01-07
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| Posted: Tue Nov 12, 2013 7:46 pm Post subject: |
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iangreenhalgh1 wrote:
How the hell does an insect get inside a lens? I wouldn't have thought there were opening to allow it access.
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ZoneV
Joined: 09 Nov 2009
Posts: 1632
Location: Germany
Expire: 2011-12-02
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| Posted: Tue Nov 12, 2013 9:00 pm Post subject: |
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ZoneV wrote:
| iangreenhalgh1 wrote: |
| How the hell does an insect get inside a lens? I wouldn't have thought there were opening to allow it access. |
From the mount side is sometimes much room, and around the iris are sometimes holes inside.
In zoom lenses is much more room for insects to go in.
_________________
Camera modification, repair and DIY - some links to look through: http://www.4photos.de/camera-diy/index-en.html
I AM A LENS NERD!
Epis, Elmaron, Emerald, Ernostar, Helioplan and Heidosmat.
Epiotar, Kameraobjektiv, Anastigmat, Epis, Meganast, Magnagon, Quinar, Culmigon, Novotrinast, Novflexar, Colorplan, Sekor, Kinon, Talon, Telemegor, Xenon, Xenar, Ultra, Ultra Star. Tessar, Janar, Visionar, Kiptar, Kipronar and Rotelar.
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Wed Nov 13, 2013 8:04 pm Post subject: |
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Attila wrote:
| iangreenhalgh1 wrote: |
| How the hell does an insect get inside a lens? I wouldn't have thought there were opening to allow it access. |
May infected in factory or once when lens was open I found also numerous time in lenses them.
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philslizzy
Joined: 07 Aug 2012
Posts: 4745
Location: Cheshire, England
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| Posted: Wed Nov 13, 2013 8:36 pm Post subject: |
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philslizzy wrote:
| iangreenhalgh1 wrote: |
| How the hell does an insect get inside a lens? I wouldn't have thought there were opening to allow it access. |
There must be a way of letting air in because the moving elements in focusing and zooming need to displace air. That's what causes dust in lenses (isn't it?)
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Wed Nov 13, 2013 8:46 pm Post subject: |
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Attila wrote:
| philslizzy wrote: |
| iangreenhalgh1 wrote: |
| How the hell does an insect get inside a lens? I wouldn't have thought there were opening to allow it access. |
There must be a way of letting air in because the moving elements in focusing and zooming need to displace air. That's what causes dust in lenses (isn't it?) |
yes, right.
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Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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Lloydy
Joined: 02 Sep 2009
Posts: 7794
Location: Ironbridge. UK.
Expire: 2022-01-01
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| Posted: Wed Nov 13, 2013 9:34 pm Post subject: |
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Lloydy wrote:
I had a similar sized bug in a Cimko 135, and it was OK as it was dead and was always at the bottom and out of line of the optics. I took the lens apart and got it out in the end.
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Pancolart
Joined: 04 Feb 2008
Posts: 3705
Location: Slovenia, EU
Expire: 2013-11-18
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| Posted: Fri Nov 15, 2013 12:04 pm Post subject: |
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Pancolart wrote:
| ZoneV wrote: |
| iangreenhalgh1 wrote: |
| How the hell does an insect get inside a lens? I wouldn't have thought there were opening to allow it access. |
From the mount side is sometimes much room, and around the iris are sometimes holes inside.
In zoom lenses is much more room for insects to go in. |
Yes in this case plenty of space. See aperture moving lever:
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tao
Joined: 26 Oct 2011
Posts: 241
Location: Bangkok
Expire: 2015-03-12
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| Posted: Sat Nov 30, 2013 4:20 am Post subject: |
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tao wrote:
Congratulations on winning an award. 
Last edited by tao on Sat Nov 30, 2013 4:55 am; edited 1 time in total |
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calvin83
Joined: 12 Apr 2009
Posts: 7575
Location: Hong Kong
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| Posted: Sat Nov 30, 2013 4:39 am Post subject: |
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calvin83 wrote:
Congrats!!!
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Pancolart
Joined: 04 Feb 2008
Posts: 3705
Location: Slovenia, EU
Expire: 2013-11-18
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| Posted: Sat Nov 30, 2013 10:58 am Post subject: |
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Pancolart wrote:
Thank you! And for suggesting the contest.
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