Archived posting to the Leica Users Group, 2016/06/24

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Subject: [Leica] [OM] IMG: How can you get a dirty sensor with a camera that does not have interchangeable lenses?
From: hlritter at twc.com (Howard L Ritter Jr)
Date: Fri, 24 Jun 2016 08:52:11 -0400
References: <7468D6CE-EDDB-4F91-AAC0-0D3B16E346CA@frozenlight.eu> <B3FE1431-F3E1-4990-9ED7-6227A67F2096@gmail.com> <CAOQd94MaVTanhwXZqX5XSdeXjt4M63k3u+b9duvm4aW8yEb4=Q@mail.gmail.com> <5b15e6d5-e0f7-51ee-e9e7-3353da483b21@chucknorcutt.com> <A9CE3D10-D721-4482-BF83-BF037FEE02CB@frozenlight.eu>

Judging from my own experience, that is surely a bit of foreign material, 
not a sensor problem per se. I assume that your camera doesn?t have the 
ultrasonic sensor-cleaning function? Or that it didn?t work?

Maybe a sharp (not TOO sharp!) rap on the bottom left corner would dislodge 
it. 

?howard


> On Jun 24, 2016, at 8:46 AM, Nathan Wajsman <photo at frozenlight.eu> 
> wrote:
> 
> Thanks, Chuck (and others who commented). The camera is not labelled or 
> marketed as weatherproof and since I live in a place that is very dry and 
> often windy, it is highly likely that a grain of dust got inside the 
> camera. I very much doubt that Panasonic would fix this under warranty 
> (the camera is out of warranty anyway), so I will just live with it and 
> remove the spot in LR when it is bothersome (as it is in the example I 
> posted).
> 
> Thanks again to all.
> 
> Nathan
> 
> Nathan Wajsman
> Alicante, Spain
> http://www.frozenlight.eu <http://www.frozenlight.eu/>
> http:// <http://www.greatpix.eu/>www.greatpix.eu
> PICTURE OF THE WEEK: http://www.fotocycle.dk/paws 
> <http://www.fotocycle.dk/paws>Blog: http://nathansmusings.wordpress.com/ 
> <http://nathansmusings.wordpress.com/>
> Cycling: http://www.crazyguyonabike.com/belgiangator 
> <http://www.crazyguyonabike.com/belgiangator>
> YNWA
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
>> On 24 Jun 2016, at 14:21, Chuck Norcutt <chucknorcutt at 
>> chucknorcutt.com> wrote:
>> 
>> On the contrary, I would expect the camera to be sealed precisely because 
>> the sensor cannot be cleaned without at least partially disassembling the 
>> camera.
>> 
>> The spot looks exactly like many such spots I've seen on my Canon 5D. So 
>> I also assume it's dust on the sensor.  Proof that it's dust on the 
>> sensor would be to take successive photos of clear blue sky from wide 
>> open to fully closed down.  At the LX-100's maximum aperture of f/1.7-2.8 
>> the dust bunny may be invisible or nearly so as a very light gray cloud.  
>> As the aperture closes down its shape will be more distinct (as in the 
>> image below) and it will get much darker.
>> 
>> I consider it a manufacturing defect.  Either the inside wasn't perfectly 
>> dust free when it was made or dust/debris has been generated by friction 
>> of mechanical motion such as by the shutter mechanism.
>> 
>> In any case I would expect a warranty repair... even it it's beyond the 
>> normal warranty period.  Adverse publicity to the hundreds or thousands 
>> of avid photographers on multiple lists is probably not a good thing for 
>> Panasonic.
>> 
>> Finally, the do it yourself guide:
>> <https://www.ifixit.com/Guide/Disassembling+Panasonic+LUMIX+DMC-LX100/55603>
>> 
>> Chuck Norcutt
>> 
>> 
>> On 6/24/2016 4:38 AM, Chris Weir wrote:
>>> Dirt could get in through the gaps - I don't think that is a sealed 
>>> camera.
>>> Or more likely a flake of paint or other internal debris.
>>> Chris
>>> 
>>> On Fri, Jun 24, 2016 at 8:45 AM, Philippe <photo.philippe.amard at 
>>> gmail.com>
>>> wrote:
>>> 
>>>> Were it not repeated on other files I'd vote for a bird on that one.
>>>> 
>>>> Now, it might be a speck that moved inside and might move again, shake 
>>>> it
>>>> baby.
>>>> It will have to go back to Solms New Tokyo in any case I'm afraid
>>>> 
>>>> Amities
>>>> Philippe
>>>> 
>>>> 
>>>> 
>>>> Le 24 juin 2016 ? 09:20, Nathan Wajsman <photo at frozenlight.eu> a 
>>>> ?crit :
>>>> 
>>>>> I noticed a while ago that images taken with my Panasonic LX 100 have a
>>>> smudge in the upper right part of the image:
>>>>> 
>>>>> http://www.greatpix.eu/All/Picture-A-Day/i-Db2WtZM/A
>>>>> 
>>>>> Since the camera does not have interchangeable lenses, I did not expect
>>>> dirt on the sensor, but that is apparently what it is?I see nothing on 
>>>> the
>>>> front element of the lens. And of course since I cannot take the lens 
>>>> off,
>>>> I cannot clean the sensor either. So I guess I am reduced to either
>>>> cropping away the offending part of the image, or using the tools in LR 
>>>> to
>>>> get rid of the smudge.
>>>>> 
>>>>> Still, very annoying. Have others experienced something similar with
>>>> this type of camera?
>>>>> 
>>>>> Cheers,
>>>>> Nathan
>>>>> 
>>>>> Nathan Wajsman
>>>>> Alicante, Spain
>>>>> http://www.frozenlight.eu <http://www.frozenlight.eu/>
>>>>> http:// <http://www.greatpix.eu/>www.greatpix.eu
>>>>> PICTURE OF THE WEEK: http://www.fotocycle.dk/paws <
>>>> http://www.fotocycle.dk/paws>Blog: http://nathansmusings.wordpress.com/ 
>>>> <
>>>> http://nathansmusings.wordpress.com/>
>>>>> Cycling: http://www.crazyguyonabike.com/belgiangator <
>>>> http://www.crazyguyonabike.com/belgiangator>
>>>>> YNWA
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> --
>>>>> _________________________________________________________________
>>>>> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
>>>>> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
>>>>> Themed Olympus Photo Exhibition: http://www.tope.nl/
>>>>> 
>>>> 
>>>> --
>>>> _________________________________________________________________
>>>> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
>>>> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
>>>> Themed Olympus Photo Exhibition: http://www.tope.nl/
>>>> 
>>>> 
>> -- 
>> _________________________________________________________________
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>> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
>> Themed Olympus Photo Exhibition: http://www.tope.nl/
>> 
> 
> 
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In reply to: Message from photo at frozenlight.eu (Nathan Wajsman) ([Leica] IMG: How can you get a dirty sensor with a camera that does not have interchangeable lenses?)
Message from photo at frozenlight.eu (Nathan Wajsman) ([Leica] [OM] IMG: How can you get a dirty sensor with a camera that does not have interchangeable lenses?)