Archived posting to the Leica Users Group, 2017/08/10

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Subject: [Leica] IMG: this is VERY strange (OT)
From: jhnichols at lighttube.net (Jim Nichols)
Date: Thu, 10 Aug 2017 20:13:33 -0500
References: <0CD9E49B-BAA1-4FC3-B7FC-F54FCDA71C52@mac.com> <f7269172-837a-c1f8-c392-659c3d2401d8@lighttube.net> <1F3DC155-F79D-43EF-8FD2-FBB7CF5A0522@mac.com> <cd5dfcf1-c925-0235-22f9-2b0456f11838@lighttube.net> <CAH1UNJ3vBFs95n_tZ0MpwpF733ionokR-en1sim3qW=c_0aTqg@mail.gmail.com>

Thanks for the encouraging words, Jayanand.  I will file this away for 
future reference.

Jim Nichols
Tullahoma, TN USA

On 8/10/2017 7:47 PM, Jayanand Govindaraj wrote:
> Jim,
>
> I have been cleaning sensors ever since I went digital, over 10 years now,
> and its a piece of cake. So get over the mental block, and dive in!
>
> I use either SensorKlear or Eyelead, whichever is available when I need
> one. Both are extremely easy to use (apparently, the latter is what Leica
> technicians use):
>
> SensorKlear: https://www.youtube.com/watch?v=Y0Fq1cK2IqY
>
> Eyelead: https://www.youtube.com/watch?v=wxKb_OqV7ng
>
> Cheers
> Jayanand
>
> On Fri, Aug 11, 2017 at 2:15 AM, Jim Nichols <jhnichols at lighttube.net>
> wrote:
>
>> Adam, I was aware that a Blue Sky/ f/16 image on my X-E1 shows a couple of
>> spots, has for more than a year, but never shows up except in an 
>> occasional
>> skydiver image, where I just clone it out.  But, seeing something similar
>> with the X-T2 was a surprise to me.  Thanks for raising my curiosity.  I
>> have never cleaned a sensor.
>>
>> Jim Nichols
>> Tullahoma, TN USA
>>
>> On 8/10/2017 3:30 PM, Adam Bridge wrote:
>>
>>> Thanks for sharing that, Jim.
>>>
>>> I don?t think I should see any artifacts at all. I was using the
>>> procedure that Adorama posts on sensor cleaning:
>>>
>>> <https://www.adorama.com/alc/0013666/article/The-Secret-of-E
>>> ffectively-and-Safely-Cleaning-Your-Digital-Camera-Sensor-Yourself <
>>> https://www.adorama.com/alc/0013666/article/The-Secret-of-E
>>> ffectively-and-Safely-Cleaning-Your-Digital-Camera-Sensor-Yourself>>
>>>
>>> The addition of the find edges filter was my choice. I was very surprised
>>> to see the resultant pattern. Seeing something unexpected is neat - but a
>>> bit disconcerting.
>>>
>>> Going to try this on my A7Rii next.
>>>
>>> Adam
>>>
>>> On 2017 Aug 10, at 1:08 PM, Jim Nichols <jhnichols at lighttube.net> 
>>> wrote:
>>>> Adam,
>>>>
>>>> My feeling is that you over-thought the problem.  I shoot only RAF
>>>> files, so I had to go to LRCC to adjust the exposure and convert to jpg 
>>>> in
>>>> order to go into Photoshop.  I then increased the sharpness with Focus
>>>> Magic.  As you can see, I have one large spot near the center and two
>>>> smaller ones in the top right, all of which I was surprised to see.
>>>>
>>>> I think you just got some extreme results from your selections.
>>>>
>>>> http://www.gallery.leica-users.org/v/OldNick/20170810-DSCF4019.JPG.html
>>>> <http://www.gallery.leica-users.org/v/OldNick/20170810-DSCF4019.JPG.html
>>> _______________________________________________
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>>>
>>>
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In reply to: Message from abridge at mac.com (Adam Bridge) ([Leica] IMG: this is VERY strange (OT))
Message from jhnichols at lighttube.net (Jim Nichols) ([Leica] IMG: this is VERY strange (OT))
Message from abridge at mac.com (Adam Bridge) ([Leica] IMG: this is VERY strange (OT))
Message from jhnichols at lighttube.net (Jim Nichols) ([Leica] IMG: this is VERY strange (OT))
Message from jayanand at gmail.com (Jayanand Govindaraj) ([Leica] IMG: this is VERY strange (OT))