I am selling a kit of the popular SIGMA super-telephoto lens 150-600mm F5-6.3 DG OS HSM + teleconverter TC-1401. It has been used very little, only a few times. As a bonus, I will include a Kenko MC PROTECTOR NEO 95mm for the winning bidder. [Product Description] Manufacturer: SIGMA Included accessories: All accessories such as strap and instruction manual are included. ●150-600mm F5-6.3 DG OS HSM Lens construction: 16 groups, 24 elements Aperture blades: 9 Minimum aperture: F22 Minimum focusing distance: 260cm Maximum magnification: 1:5 Filter size: φ105mm Maximum diameter x length: φ121mm x 290.2mm Weight: 2,860g Camera type: SLR Compatible mount: Sigma SA mount Sensor format: Full-frame ●TELE CONVERTER TC-1401 Lens construction: 5 groups, 7 elements Focal length: 1.4x of the master lens Magnification: 1.4x of the master lens Maximum diameter x length: Φ69.8mm x 25.0mm Weight: 190g