Tamron 20mm F/2.8 Di III OSD M1:2 Review

February 3, 2020 | Mark Goldstein |

Specifications

Model F050
Focal Length 20mm
Maximum Aperture F/2.8
Angle of View
(diagonal)
94°30'(for full-frame mirrorless format)
Optical Construction 10 elements in 9 groups
Minimum Object Distance 0.11m (4.3 in)
Maximum Magnification Ratio 1:2
Filter Size Φ67mm
Maximum Diameter Φ73mm
Length* 64mm (2.5 in)
Weight 220g (7.8 oz)
Aperture Blades 7 (circular diaphragm)**
Minumum Aperture F/22
Standard Accessory Flower-shaped hood, Lens caps
Compatible Mounts Sony E-mount