i meant to preface my earlier post with . . .
by the way, this happens to me
all the time. a lot of my pictures on auto "set to zero" (meaning ISO is auto, exposure compensation is zero) with my telephoto lens look like this.
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Sarah
Equipment: Canon T2i (550D) with 18-55mm f/3.5-5.6, 55-250mm f/4-5.6, 50mm f/1.8, and 400mm f/5.6L lenses
Software: Windows 7, PSE 10 (Editor), PSE 6 (Organizer), and PSCS 4