Tamron

Specifications :
– Model: A056
– Focal Length: 70-180mm
– Maximum Aperture: F/2.8
– Minimum Aperture: F/22
– Compatible Mounts: Sony E-mount
– Angle of View (diagonal): 34°21′-13°42′ (for full-frame mirrorless format)
– Optical Construction: 19 elements in 14 groups
– Minimum Object Distance: AF: 0.85m /33.5 in (Full zoom range), MF: 0.27m /10.6 in (Wide), 0.85m /33.5 in (Tele)
– Maximum Magnification Ratio: AF: 1:4.6, MF: 1:2 (Wide) / 1:4.6 (Tele)
– Filter Size: Φ67mm
– Maximum Diameter: Φ81mm
– Length: 149mm (5.9 in)
– Weight: 810g (28.6 oz)