Sigma TC-1411 1.4x Teleconverter - L-Mount Brand_Shure Threaded front allows for mounting

Threaded front allows for mounting of 43mm filters such as the Canon 43mm Protect Filter

the optional USB Power Adapter PD-E1 makes for easy charging without the necessity to remove the battery from the camera

The iris ring

easily adjust

Sigma TC-1411 1.4x Teleconverter - L-Mount Brand_Shure Threaded front allows for mountingThe SIGMA TELE CONVERTER TC 1411 TC 2011 are teleconverters designed exclusively for the use with SIGMA L Mount lenses. Mounted between a lens and a camera body, the TC 1411 magnifies the focal length of the camera by 1. 4x, and the TC 2011 by 2x. The superior optical performance of the SIGMA Contemporary, Art and Sports lines of lenses is the result of efforts to pursue the highest levels of image quality. The SIGMA TELE CONVERTER TC 1411 TC 2011