Even in the thumbnail versions, it seems clear to me that the first
one (the one on the left) is the one with the black tape. The 100%
crop avoids the most affected area, which is a a sizeable dark area a
bit more than 2/3 up and just left of center. -Amin Sabet
On Jan 8, 2008 8:45 PM, Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> Ah, yes, the giant dust spec test.
> <http://www.chucknorcutt.com/dust%20spec%20test/index.htm>
> Both of these shots were taken with an A1 which has a front element
> approximately the size of a Zuiko 50/1.8. One shot was taken normally.
> The other is the same except that there is a piece of black
> electrical tape approximately 3/4" square (19mm) stuck on the front
> element. Since the front element is about 40mm in diameter the tape was
> blocking about 29% of the glass area.
>
> The third shot is a comparison of the 1:1 pixel level detail from both
> images. Can you tell which one is which?\
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