Hi Eric,
That's a great question. I perused your pictures, and they looked great!
For DSLR's there area few different autofocus arrangements. The most common that you will see are 3 point, 5 point, and 9 point arrangements. For fast moving objects...
Hi Hung, Sorry to hear that the speaker was damaged/defective, but glad to hear your experience overall was good. Please let us know if you have any other questions/concerns!
Kevin
Vanns
This customer was issued a refund on 6/9, the package was lost in shipment. We have apologized to the customer repeatedly, and were able to circumvent the normal Fedex trace process to expedite the refund.