Kenko Teleplus AF Extension Tube Set Sigma USB Dock Lens construction: 10 elements in

Lens construction: 10 elements in 8 groups (includes 1 aspherical and 1 abnormal dispersion element)

These close-up accessories maintain full electronic coupling between the camera body and lens

Linear Autofocus Motor

A2 / UHS-I / V30 / U3 / Class 10

This adapter uses a matte-black finish to minimize internal reflection

Kenko Teleplus AF Extension Tube Set Sigma USB Dock Lens construction: 10 elements inKenko Teleplus DG Auto Extension Tube Set Extension tubes are designed to enable a lens to focus closer than its normal set minimum focusing distance. Getting closer has the effect of magnifying your subject (making it appear larger in the viewfinder and in your pictures). They are exceptionally useful for macro photography, enabling you to convert almost any lens into a macro lens at a fraction of the cost while maintaining its original optical