Sigma TC-1411 1.4X Teleconverter Mount:L-Mount There are some lever clamps

There are some lever clamps available that do not fix firmly and safely

Life-sized magnification (1:1) short tele macro for full-frame mirrorless

Connect it 5P-C RCA Cable (Upgrade option: 5P-XLR)

8 DG DN Macro | Art lens

Sigma TC-1411 1.4X Teleconverter Mount:L-Mount There are some lever clampsTeleconverters designed exclusively for L Mount lenses The SIGMA TELE CONVERTER TC 1411 is 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. 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