Archived posting to the Leica Users Group, 2022/09/10

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Subject: [Leica] Spider smear update
From: imra at iol.ie (Douglas Barry)
Date: Sun, 11 Sep 2022 01:07:21 +0100
References: <998A2A09-4622-46F0-9583-CCD60B851BCC@bex.net> <144A4B70-0876-466B-8937-0C6B0776192C@gmail.com>

That's good news Howard, and, Jayanand, I'd never heard of the word 
"jugaad" and had to look it up.
It's a great word for all those jury rigged repair improvisations that I 
use around the house. My wife always wonders where the clothes pegs go. 
Now if I could only pronounce it properly...

Douglas

On 10/09/2022 17:46, Jayanand Govindaraj via LUG wrote:
> Excellent.
>
> Jugaad in all its glory!
>
> Cheers
> Jayanand
>
> Sent from my iPad
>
>> On 10-Sep-2022, at 21:45, Howard L Ritter Jr via LUG <lug at 
>> leica-users.org> wrote:
>>
>> ?So here?s how the Spider Saga has played out.
>>
>> I bought a sensor-cleaning kit from Amazon consisting of individually 
>> hermetically-sealed-in-a-clean-room swabs that look like little solid 
>> brooms as wide as the height of a FF sensor plus a dropper bottle of 
>> cosmically pure water that costs more per ml than Lagavullin. (The kit?s 
>> from Canada, so it starts out with street cred.) But I thought that 
>> something more than water would do a better job of getting this organic 
>> crud off. The lens wipes made by Zeiss are just right for this job. 
>> They?re little rectangles of folded-up lintfree paper saturated with 
>> isopropyl alcohol, and their folded size is almost exactly the same as 
>> that of the sensor, the mirror, and the focusing screen.
>>
>> To start, I used the air bulb to blow the desiccated spider body and the 
>> one visible leg out. Then I placed one of the folded wipes on the sensor 
>> and let it sit for about a minute, gently moving it around. I removed it 
>> with tweezers, then used the lens swab moistened with water to wipe the 
>> residue off. I repeated the process with water alone and the sensor 
>> cleaned up very nicely.
>>
>> Then I noticed a smear on the focusing screen, apparently where the 
>> critter had been mashed against it when the mirror cycled, so I turned 
>> the camera upside down and put a folded-up wipe on the focusing screen 
>> and locked the mirror up to hold the wipe between the two. I let that sit 
>> for a minute and then lowered the mirror again. I finished off with water 
>> and a fresh sensor swab on both the screen and the mirror, and everything 
>> looks factory fresh now.
>>
>> With a little trepidation, I fired the shutter a few times to see whether 
>> there was spider-stuff on the curtain that would rub off on the sensor 
>> again, likely necessitating a trip to Nikon. Happy to say, didn?t happen.
>>
>> Plus, now I have 8 remaining swabs and most of a bottle of Lagavullin 
>> water for the next time the sensor gets dirty. I love happy endings!
>>
>> ?howard
>>
>>
>> _______________________________________________
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> _______________________________________________
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Replies: Reply from bmwred735i at gmail.com (Frank F) ([Leica] Spider smear update)
Reply from jayanand at gmail.com (Jayanand Govindaraj) ([Leica] Spider smear update)
In reply to: Message from hlritter at bex.net (Howard L Ritter Jr) ([Leica] Spider smear update)
Message from jayanand at gmail.com (Jayanand Govindaraj) ([Leica] Spider smear update)