KAF - 16200 partial defective columns

[Gorr_77]

Hi All,

I have few question regarding this popular sensor. Some time ago i've noticed defective pixels.

DId you had or have issues with the partial defect columns on your 16200 sensor? how did it will affect the outcome? I can find any actuall issues.

Print screen from my 16200 Colour:

 

Regards

[RayD]

Yes it's perfectly normal on a grade 2 sensor, which most manufacturers use for astro imaging cameras.  Some of them disappear when the sensor is cooled, and the others calibrate out with no issues.

[Gorr_77]

24 minutes ago, RayD said:

Yes it's perfectly normal on a grade 2 sensor, which most manufacturers use for astro imaging cameras.  Some of them disappear when the sensor is cooled, and the others calibrate out with no issues.

 

I've never bothered with this, as i cant see - or i don't want to look for a difference in the image. Also as you ve said, after 10 min it is much better...

have a look:

 

[RayD]

@Gorr_77 That's it exactly.  I use the Atik 16200 and it is noticeably different when cooled and, if dithering, the rogue columns just magically disappear when stacking.  It's a great sensor.

[Gorr_77]

..So i guess there is no point to service it yet, and save some money.

Thank you.