Adorama offers the 
Sigma 30mm f/1.4 EX DC HSM Autofocus Lens for 
Canon, model no. 300101, 
Nikon, model no. 300306, 
Pentax, model no. 300109, 
Sigma, model no. 300110, or 
Sony, model no. 300205, for $289 with free shipping. It features a hybrid aspherical lens, and more.
Of note, B&H Photo-Video also offers it for for 
Canon, model no. 300101, 
Sony, model no. 300205, 
Nikon, model no. 300306, 
Pentax, model no. 300109, or 
Sigma, model no. 300110, for $289 with free shipping.