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

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Subject: [Leica] IMG: this is VERY strange (OT) Damn it Spock, They found us
From: mak at teleport.com (Mark Kronquist)
Date: Thu, 10 Aug 2017 12:03:23 -0700
References: <0CD9E49B-BAA1-4FC3-B7FC-F54FCDA71C52@mac.com>

> On Aug 10, 2017, at 11:49 AM, Adam Bridge <abridge at mac.com> wrote:
> 
> Okay, I have seen something I can?t explain. It?s not Leica related, it?s 
> Fuji X-T2 related but I think someone here might have an idea of what is 
> going on.
> 
> I took a photo of a blue sky using a 50mm lens at f16, 200 ISO because I 
> wanted to use that to look for dust on the sensor.
> 
> I imported the image into Photoshop.
> 
> I used Levels to set the light and dark limits to the edges of the 
> histogram.
> 
> I then used the Find Edges filter against the image and I got this:
> 
> <https://adam-bridge.smugmug.com/organize/MiscUsage/TestImages/i-H7qVnc4>
> 
> I did NOT expect to see these geometric figures.
> 
> Is this something related to the way Adobe handles the XTRANS sensor? Or 
> something else?
> 
> I?d be interested if the tech wizards out there might have an idea of what 
> is going on.
> 
> Thanks for looking.
> 
> Adam Bridge
> 
> 
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In reply to: Message from abridge at mac.com (Adam Bridge) ([Leica] IMG: this is VERY strange (OT))