<p class="MsoNormal"]Could someone tell me what&rsquo;s going on here?<span> The lens is the 24-105 at 24mm on a 5DMII.<span> I expected vignette in the corners. But what
is the blue in the upper corners?<span> (ISO 400<span> 1/80 at f8.0 and EV of +1)<span> I took the photo down our drive to record the
major snow fall.<span> The second picture is a
crop of the upper right corner.<span> Oh,
there was definitely no blue sky showing.



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<p class="MsoNormal"]Thanks
<p class="MsoNormal"]Larry