Sigma USB Dock for Canon EF-Mount Lenses 62 MM Super Spectra Lens Coatings –

Super Spectra Lens Coatings – Advanced coatings reduce ghosting

5mm eye relief

are extremely prone to the appearance of visible hand-shake

you can use the tripod's rapid center column in standard vertical mode or swing it into horizontal position like a boom with Manfrotto's 90° column feature to get your camera down to only 3

Sigma USB Dock for Canon EF-Mount Lenses 62 MM Super Spectra Lens Coatings –Optimize your Sigma Global Vision lenses with the Sigma USB Dock for Canon EF mount a powerful tool that lets photographers update firmware, fine tune autofocus, and customize performance settings for Sigma Art, Contemporary, and Sports lenses. Compatible with Canon EF mount (excluding DN series), the USB Dock works with Sigma Optimization Pro software to calibrate focus parameters, adjust autofocus speed, configure focus limiters, enable manual focus