Zeiss HS Super Speed MKIII T1.3 Zeiss HS Super Speed MKIII T1.3 18mm T1.3 Zeiss HS Super Speed MKIIIT-Stop: T1.3 – T16Close Focus: 0,25 m / 10″Length (front to PL mount flange): 89 mmFront Diameter: 80 mmWeight: 1,2 Kg / 2.8 lbs25mm T1.3 Zeiss HS Super Speed MKIIIT-Stop: T1.3 – T16Close Focus: 0,25 m / 10″Length (front to PL mount flange): 66 mmFront Diameter: 80 mmWeight: 0,9 Kg / 2 lbs35mm T1.3 Zeiss HS Super Speed MKIIIT-Stop: T1.3 – T16Close Focus: 0,30 m / 1′ 2″Length (front to PL mount flange): 64 mmFront Diameter: 80 mmWeight: 0,7 Kg / 1.8 lbs50mm T1.3 Zeiss HS Super Speed MKIIIT-Stop: T1.3 – T16Close Focus: 0,60 m / 2′ 6″Length (front to PL mount flange): 62 mmFront Diameter: 80 mmWeight: 0,7 Kg / 1.8 lbs65mm T1.3 Zeiss HS Super Speed MKIIIT-Stop: T1.3 – T16Close Focus: 0.70m / 2′ 6″Front Diameter: 80 mmWeight: 0.97 kg/ 2.2 lbs85mm T1.3 Zeiss HS Super Speed MKIIIT-Stop: T1.3 – T16Close Focus: 0,92 m / 3′Length (front to PL mount flange): 69 mmFront Diameter: 80 mmWeight: 1,1 Kg / 2.2 lbs