This USB (Universal Serial Bus) dock has been specifically designed for use with Sigma Contemporary, Art & Sport lenses (as well as their accessories). It means that you can update firmware & customise & configure your lens settings to better cater to your needs as a photographer. You can also customise the rotation sensitivity of your focus ring (on certain lenses) whilst in manual focus mode. ...

The Sigma USB (Universal Serial Bus) Dock allows users to connect their Nikon fit Sigma Global Vision lenses to a computer to fine-tune & adjust parameters on their lens to suit their own personal preferences. Using Sigma's Optimisation Pro software (included) you can update the firmware & configure the autofocus speed (AF), optical stabilisation (OS), & modify the minimum & maximum focusing distance. The Sigma USB (Universal Serial Bus) dock will not work with Sigma's existing lenses & has been specifically designed for their new line of lenses, such as the Sigma 17-70mm f 2.8-4 DC Macro OS HSM, 35mm f 1.4 DG HSM, 30mm f 1.4 DC HSM, 18-35mm f 1.8 DC HSM, 24-105mm f 2.8 DG OS HSM, 50mm f 1.4 DG HSM, 18-200mm f 3.5-6.3 SC Macro OS HSM & 120-300mm f 2.8 DG OS HSM lenses. ...

The Sigma USB (Universal Serial Bus) Dock allows users to connect their Pentax fit Sigma Global Vision lenses to a computer to fine-tune & adjust parameters on their lens to suit their own personal preferences. Using Sigma's Optimisation Pro software (included) you can update the firmware & configure the autofocus speed (AF), optical stabilisation (OS), & modify the minimum & maximum focusing distance. The Sigma USB (Universal Serial Bus) dock will not work with Sigma's existing lenses & has been specifically designed for their new line of lenses, such as the Sigma 17-70mm f 2.8-4 DC Macro OS HSM, 35mm f 1.4 DG HSM, 30mm f 1.4 DC HSM, 18-35mm f 1.8 DC HSM, 24-105mm f 2.8 DG OS HSM, 50mm f 1.4 DG HSM, 18-200mm f 3.5-6.3 SC Macro OS HSM & 120-300mm f 2.8 DG OS HSM lenses. ...

The Sigma USB (Universal Serial Bus) Dock allows users to connect their Sigma fit Sigma Global Vision lenses to a computer to fine-tune & adjust parameters on their lens to suit their own personal preferences. Using Sigma's Optimisation Pro software (included) you can update the firmware & configure the autofocus speed (AF), optical stabilisation (OS), & modify the minimum & maximum focusing distance. The Sigma USB (Universal Serial Bus) dock will not work with Sigma's existing lenses & has been specifically designed for their new line of lenses, such as the Sigma 17-70mm f 2.8-4 DC Macro OS HSM, 35mm f 1.4 DG HSM, 30mm f 1.4 DC HSM, 18-35mm f 1.8 DC HSM, 24-105mm f 2.8 DG OS HSM, 50mm f 1.4 DG HSM, 18-200mm f 3.5-6.3 SC Macro OS HSM & 120-300mm f 2.8 DG OS HSM lenses. ...

The Sigma USB (Universal Serial Bus) Dock allows users to connect their Sony fit Sigma Global Vision lenses to a computer to fine-tune & adjust parameters on their lens to suit their own personal preferences. Using Sigma's Optimisation Pro software (included) you can update the firmware & configure the autofocus speed (AF), optical stabilisation (OS), & modify the minimum & maximum focusing distance. The Sigma USB (Universal Serial Bus) dock will not work with Sigma's existing lenses & has been specifically designed for their new line of lenses, such as the Sigma 17-70mm f 2.8-4 DC Macro OS HSM, 35mm f 1.4 DG HSM, 30mm f 1.4 DC HSM, 18-35mm f 1.8 DC HSM, 24-105mm f 2.8 DG OS HSM, 50mm f 1.4 DG HSM, 18-200mm f 3.5-6.3 SC Macro OS HSM & 120-300mm f 2.8 DG OS HSM lenses. ...

The Sigma WR Ceramic Protector is a highly protective clear glass filter constructed from Clear Glass Ceramic, an advanced material with outstanding strength. An extremely tough type of crystallized glass, it features the high transmittance required of optical devices whilst combining greater hardness than chemically strengthened glass & greater flexibility than sapphire crystal glass. ...

Constructed from Clear Glass Ceramic, an advanced material with outstanding strength, the Sigma WR Ceramic Protector is a highly protective clear glass filter. The extremely tough crystallized glass features the high transmittance required of optical devices whilst combining greater hardness than chemically strengthened glass & greater flexibility than sapphire crystal glass ...

The highly protective Sigma WR Ceramic Protector filter features the high transmittance required of optical devices whilst combining greater hardness than chemically strengthened glass & greater flexibility than sapphire crystal glass. Constructed from Clear Glass Ceramic
- extremely tough crystallized glass
- the Sigma WR Ceramic Protector filter delivers outstanding strength.

...

The highly protective Sigma WR Ceramic Protector filter is constructed from Clear Glass Ceramic, an extremely tough crystallized glass, & therefore delivers outstanding strength. It features the high transmittance required of optical devices whilst combining greater hardness than chemically strengthened glass & greater flexibility than sapphire crystal glass. ...

Constructed from Clear Glass Ceramic, an advanced material with outstanding strength, the Sigma WR Ceramic Protector features the high transmittance required of optical devices whilst combining greater hardness than chemically strengthened glass & greater flexibility than sapphire crystal glass. The extremely tough crystallized glass results in a highly protective clear glass filter. ...