K5 High ISO very strong banding - any other experiences?

Started Nov 11, 2012 | Discussions thread
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J Posthuma
Contributing MemberPosts: 606Gear list
K5 High ISO very strong banding - any other experiences?
Nov 11, 2012

See both pictures.

I was working with DA*300mm and hence wanted short exposure time so worked in TAv mode. As there was little amount of light, ISO went all the way up.

I have got banding on a lot of pictures but not all, mostly banding at the top of the frame - having no colour - and one time serious colour banding at the bottom of the frame.

I feel it might be connected with shooting a lot of pictures in a short while. I sometimes had to wait for being able to view the pictures on the camera's LCD screen.

Haven't seen this before with our K5.

I searched the forum but did not see anything like this.

Any suggestions / opinio´╗┐ns would be very welcome.

A greyish banding close to the top of the frame

Strong coloured banding at the bottom

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Kind Regards / Met vriendelijke groet,

 J Posthuma's gear list:J Posthuma's gear list
Pentax K-5 Pentax smc DA* 16-50mm F2.8 ED AL (IF) SDM Pentax smc DA* 50-135mm F2.8 ED (IF) SDM Pentax smc DA* 300mm F4.0 ED (IF) SDM
Pentax K-5
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