Sigma USB Dock - Canon EF Mount CP-1300 the MKE 600 can also

the MKE 600 can also be battery powered

true metallic inkjet paper with a unique instant dry coating for jaw –dropping image reproduction

SB-R200 Wireless Remote Speedlights can be tilted up to 60 degrees to accommodate lenses with short working distances and flash compensation or flash ratio control for desired lighting effects

and will also tolerate processing conditions that are less than ideal

Compatible with the Canon EOS 60D

Sigma USB Dock - Canon EF Mount CP-1300 the MKE 600 can alsoBy connecting the USB cable to a computer, SIGMA USB DOCK enables photographers to update the lens firmware and adjust parameters such as focus. The adjustment is processed with special software (SIGMA Optimization Pro). The AF speed, focus limiter and OS function are also customizable for Sports lenses.