Sigma USB Dock - Nikon Fit Other Mount Adapters with ultra-sharp results across the

with ultra-sharp results across the entire frame even at F1

high-resolution images with strong contrast and accurate colour reproduction

waterproof rear pocket is useful for everyday bits and pieces which need to be kept safe and secure

are overlaid on viewfinder and viewscreen images

Joe Cornish - one of the world's leading photographers - reviews the Smooth Cotton 300:

Sigma USB Dock - Nikon Fit Other Mount Adapters with ultra-sharp results across theThe Sigma USB Dock allows you to connect your Nikon fit Sigma lenses to a computer in order to fine tune and adjust parameters on their lens to suit their own preference. Using Sigma's Optimisation Pro software (included) you can update the firmware and configure the autofocus speed, optical stabilisation and also modifty the minimum and maximum focusing distance.