sensor cleaning on D5000
Those with IPhone's can download an app that checks your hearing. Very interesting. I used to hear some ranges that only kids/dogs could hear but as of the last couple years that has gone. A co-worker will occasionally test me without my knowledge. Very annoying sound so if you hear it, you know it.
How do you work this crazy thing?
|Arch-itecture by Nilesh Trivedi|
from Random Items - Challenge #30
|Rocky Mountain Elk by evancj|
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