Cleaning Mark?

<p>Hey Guys, I just picked up a used 1ds Mark II and had a question about a mark showing up in some of the test shots. I think that it is just a cleaning mark, and I hope that it would not be something permanent, but I thought I would see what you think.</p>

<p>The first is the entire test shot, the second is a almost 100% crop to the area in mention. It is in the upper-right.<br>

I think that the dark spec is just dust, but there's a line of ... stuff?<img src="http://d6d2h4gfvy8t8.cloudfront.net/13676114-lg.jpg" alt="" width="640" height="429" /><br>

Thanks ahead of time for your help.<br>

<img src="http://d6d2h4gfvy8t8.cloudfront.net/13676112-lg.jpg" alt="" width="640" height="144" /></p>

<p>Luckily it's right at the edge of the frame, so if it is annoying it shouldn't take much to just crop it out.</p>

 

<p>Why would you not just try and clean it yourself? </p>

 

<p>Yes, it looks like debris left over from a previous sensor cleaning. As mentioned you could really clean this yourself or get it done in most shops for about $50. There are a lot of options to try it yourself so Google it and see, here's one site that describes many of the various methods with links to them <a href="http://www.cleaningdigitalcameras.com/methods.html">http://www.cleaningdigitalcameras.com/methods.html</a></p>

<p>Thanks guys, I'll most likely clean it myself when I get the time. I'm headed to do a wedding this weekend and was just making sure it probably wasn't a permanent mark (or else I would send it back today). Im gonna just go with the thought that it's probably just cleaning marks, and clean the sensor later.</p>