Westcott Rapid Box Switch 1x4’ carepak Increases the focal length by

Increases the focal length by 70% of select compatible NIKKOR lenses

AF speed is up to approximately two times faster under dim lighting conditions

Autofocus is supported only for those lenses marked with an asterisk (*) on NEX-5R/6

4 aperture make it ideal in low light and the lens is compatible with the Sigma USB dock and Optimization Pro software to adjust and fine tune focusing parameters

Westcott Rapid Box Switch 1x4’ carepak Increases the focal length byConvenient and collapsible strip light modifier with the fastest setup time Easily switch different types of lights in seconds Requires a Switch Insert to mount a compatible light source Quick release thumb lock ensures the security of your light Durable metal framework and heat resistant fabrics for dependability Neutral diffusion fabric provides consistent color temperature Taut silver interior maximizes light output Optional 40 degree egg crate