New X-T1: Purple Bottom Edge at ISO 6400 +?

Started 7 months ago | Discussions thread
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New X-T1: Purple Bottom Edge at ISO 6400 +?
7 months ago

First off, I'm really enjoying my new X-T1.  I just want to address this phenomenon I'm observing at higher ISOs to make sure I didn't get a bum sensor.

At ISOs of 6400 and up (especially apparent at 12800 and 25600), there is a purple glow along the bottom edge of the image.  This is more apparent in darker areas but is still apparent on well-lit areas.  I'm asking because this issue didn't "jump out" on my X-Pro1.  I'm also unable to replicate it on my Pentax Q (ISO 6400) and my MX-1 (ISO 12800).  I have included a shot from my X-Pro1 at 25600.

Do I need to exchange my X-T1 or is this a known phenomenon with the X-Trans II cameras?

Here are ISO 25600 shots from my X-T1 in different lighting conditions.

And here is a shot from my X-Pro1 at ISO 25600.

 DDWD10's gear list:DDWD10's gear list
Pentax Q Pentax K-5 IIs Tamron SP AF 70-200mm F/2.8 Di LD (IF) MACRO Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF) Pentax smc DA 18-55mm F3.5-5.6 AL WR +4 more
Fujifilm X-Pro1 Fujifilm X-T1 Pentax MX-1
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