Blue interference lines on image

mikechriste · 05-07-2016, 11:06 AM

Hi,
I'm wondering if someone on here may be able to offer some advice. I have a Pentax K100D and in the last few months I have noticed the occasional appearance of regular horizontal interference lines on some of my images. It isn't all images as far as I can tell. The attached image shows the problem. This was taken with a Tamron XR DiII 18-200mm lens at F5.6, 1/125th exposure, ISO 400.
I am a bit concerned that I have a problem with the camera's sensor, and even though the problem doesn't appear on every image it is there often enough to be an issue.
Any thoughts would be welcome.
Mike

Attached Images

Parallax · 05-07-2016, 11:34 AM

If it was a sensor problem the lines would likely show up on all images and/or be in the exact same place.
If the lines aren't always the same row of pixels, it's probably an SD card problem.

mee · 05-07-2016, 11:56 AM - **1 Like**

Originally posted by Parallax

If it was a sensor problem the lines would likely show up on all images and/or be in the exact same place.
If the lines aren't always the same row of pixels, it's probably an SD card problem.

Even if it was a sensor issue, I'd suggest a brand new SD card and testing that first. Much cheaper than body replacement. And, if it does end up being the camera, you'll have a spare SD card.

mikechriste · 05-08-2016, 01:17 AM

Thanks for the quick response - I will try an new SD Card. Fingers crossed!

mikechriste · 06-17-2016, 01:06 AM

Well, I changed SD cards but the problem has reoccurred

Wheatfield · 06-27-2016, 09:27 PM

It looks like the sensor is dying. I expect the problem is there in every image to some extent but is only really visible in high key areas.

05-07-2016, 11:06 AM	#1
mikechriste New Member Join Date: May 2016 Posts: 5	Blue interference lines on image Hi, I'm wondering if someone on here may be able to offer some advice. I have a Pentax K100D and in the last few months I have noticed the occasional appearance of regular horizontal interference lines on some of my images. It isn't all images as far as I can tell. The attached image shows the problem. This was taken with a Tamron XR DiII 18-200mm lens at F5.6, 1/125th exposure, ISO 400. I am a bit concerned that I have a problem with the camera's sensor, and even though the problem doesn't appear on every image it is there often enough to be an issue. Any thoughts would be welcome. Mike Attached Images

06-17-2016, 01:06 AM	#5
mikechriste New Member Join Date: May 2016 Posts: 5 Original Poster	Well, I changed SD cards but the problem has reoccurred Attached Images

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05-07-2016, 11:34 AM	#2
Parallax Senior Moderator Loyal Site Supporter Join Date: Apr 2008 Location: South Dakota Photos: Gallery Posts: 19,332	If it was a sensor problem the lines would likely show up on all images and/or be in the exact same place. If the lines aren't always the same row of pixels, it's probably an SD card problem.

05-07-2016, 11:56 AM - 1 Like	#3
mee Veteran Member Join Date: May 2010 Posts: 7,403	Originally posted by Parallax If it was a sensor problem the lines would likely show up on all images and/or be in the exact same place. If the lines aren't always the same row of pixels, it's probably an SD card problem. Even if it was a sensor issue, I'd suggest a brand new SD card and testing that first. Much cheaper than body replacement. And, if it does end up being the camera, you'll have a spare SD card.

05-08-2016, 01:17 AM	#4
mikechriste New Member Join Date: May 2016 Posts: 5 Original Poster	Thanks for the quick response - I will try an new SD Card. Fingers crossed!

06-27-2016, 09:27 PM	#6
Wheatfield Moderator Join Date: Apr 2008 Location: The wheatfields of Canada Posts: 15,981	It looks like the sensor is dying. I expect the problem is there in every image to some extent but is only really visible in high key areas.