Sigma 18-250mm DC OS HSM (for Sony and Canon) drops to $483

If you have Canon EOS or Sony/Minolta DSLRs, the Sigma 18-250mm DC OS HSM lens has dropped to $483, sold and shipped by Amazon.com itself, not third-party sellers. The price drop is for the:

+ Canon mount
+ Sony Alpha mount

The Nikon, Pentax and Sigma versions remain at $520+