Before Cleaning

July 7, 2008

Before Cleaning, originally uploaded by William WM.

This was the amount of dust on the sensor of my 30D before I cleaned it; notice the large amounts of black/grey specks on the image.

(I found this by taking a photo of a pure-white image on my LCD at ISO 100, f/22, macro focus at full zoom, then ran it through “Auto Levels” in Paint.NET)

One Response to “Before Cleaning”


  1. [...] especially after that full day of shooting with a dirty sensor (see the before/after examples here: http://blog.wolffmyren.com/2008/07/07/before-cleaning/ and here: [...]


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