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Old 08-12-2020, 10:51 PM   #1711
Gravdigr
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Described by a vigorous vocabulary.
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Old 08-23-2020, 06:09 AM   #1712
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Generally our overnight visitors tend to ignore one another.

There's the occasional ill tempered 'exchange of views' but nothing very much.

However, I'd like to know what was going on in the minds of these two last night.

Apologies for the picture quality.

Name:  Badger v Cat.JPG
Views: 77
Size:  184.9 KB
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Old 08-23-2020, 09:07 AM   #1713
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Is that a Badger and 2 Cats?
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Old 08-23-2020, 09:12 AM   #1714
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Quote:
Originally Posted by fargon View Post
Is that a Badger and 2 Cats?
No, just one sitting on the arm of the bench.

Point me in the direction of what might be causing some confusion and I'll attempt to shed some light on it.

In a manner of speaking!
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Old 08-23-2020, 09:15 AM   #1715
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Between the bucket and the bench it looks like the eyes of a Cat or other small creature.
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Old 08-23-2020, 09:19 AM   #1716
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There's a darker bucket there with some residual light reflecting off the rim.

Would that be it?
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Old 08-23-2020, 09:20 AM   #1717
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Now I see it. Thank You Sir.
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Old 08-23-2020, 10:50 AM   #1718
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Picture quality is just fine and the composition and story are both very good, thank you.


I do find interesting an effect I see across the whole image when zoomed in very tight. It's like a regular grid of distortion, like the picture was taken from behind a clear piece of plastic with a very slight pattern of raised lines at right angles.
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Old 08-23-2020, 11:05 AM   #1719
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Quote:
Originally Posted by BigV View Post

I do find interesting an effect I see across the whole image when zoomed in very tight. It's like a regular grid of distortion, like the picture was taken from behind a clear piece of plastic with a very slight pattern of raised lines at right angles.
Yes, I see what you mean. I haven't noticed that before.

I'm not very well informed about these matters but perhaps it relates to the structure of the component which captures the image.

I don't know if it is relevant but the original image was 4000 x 3000 pixels reduced in Paint to a more manageable 725 x 543.

Those suggestions provided very much on a 'food for thought' basis!
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Old 08-23-2020, 11:48 AM   #1720
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There are internet discussions about this. Seems it's likely to be a byproduct of camera sensors. NOTE: The quote's second enclosed link doesn't work. END NOTE.

Quote:
What causes this weird grid pattern in my picture?


... I found this problem fascinating enough to research a suitable answer.

1) This is NOT Moire interference; as was mentioned above, the grid is far too regular (in both vertical and horizontal direction.

2) This is also NOT noise banding resulting from working the sensor too hard. The banding, again, is far too regular and nothing in the image suggests an unusual exposure which, in fact, looks pretty typical.

3) Some internet sleuthing suggests that this " Grid Banding" processing artifact plagues a few generations of Canon CMOS sensors, going as far back as 2008 and the 5D Mark II (see this link for a cursory description: https://blog.kareldonk.com/canon-eos...rely-worth-it/. According to several users, this grid banding shows up in relatively underexposed parts of an image at fairly low ISO (like the OP's image) and is even worse when recording video.

This link (http://www.dvxuser.com/V6/archive/in.../t-207542.html) describes a 7D users experience with this problem and what Canon did to repair this "unbalanced A/D channels" issue....at least partially. Apparently, there is no "user error" in creating this artifact, it is a known issue with Canon CMOS sensors, and may be repairable by Canon, or at least partially mitigated.
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Old 08-23-2020, 12:26 PM   #1721
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Cat is thinking: "Well, there goes my might vision."
Except I think you mentioned IR, not visible light for your pics.
I was surprised that the badger is sitting (not setting). You don't seem to have posted this behavior in the past, though Google says it is common.
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Old 08-23-2020, 12:51 PM   #1722
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Originally Posted by Diaphone Jim View Post
I was surprised that the badger is sitting (not setting). You don't seem to have posted this behavior in the past, though Google says it is common.
Yes, quite often I look out and see a Badger quite happily sitting while it works its way through the peanuts I leave out although, as you say, I haven't posted such behaviour in the past.

It was something of a surprise when I first saw it as it would seem to risk delaying a necessarily sudden departure.
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Old 08-23-2020, 12:52 PM   #1723
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Quote:
Originally Posted by sexobon View Post
There are internet discussions about this. Seems it's likely to be a byproduct of camera sensors. NOTE: The quote's second enclosed link doesn't work. END NOTE.
Many thanks for unearthing that explanation, sexobon.
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Old 08-23-2020, 01:15 PM   #1724
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Name:  Badger v Cat.JPG
Views: 72
Size:  91.6 KB
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Old 08-23-2020, 07:24 PM   #1725
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Might even call on cousin Honey Badger...
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