Tamron 20mm f/2.8 Di III OSD M1:2

Lens Reviews / Tamron Lenses i Not yet tested
Lens Specifications
Name Tamron 20mm f/2.8 Di III OSD M1:2 (Model F050)
Image Circle 35mm (Full-frame E-Mount)
Type Wide Prime
Focal Length 20mm
35mm Equivalent 1.5x: 30mm
Max Aperture f/2.8
Min Aperture f/22
Diaphragm Blades 7 (circular)
Lens Construction 10 elements in 9 groups, including 1 GM (Glass Molded) aspherical and 3 LD (Low Dispersion) elements; BBAR coating; Fluorine coating
Diagonal Angle of View 94.5 degrees
Focus Details Internal with OSD (Optimized Silent Drive) motor; Continuous manual focus mechanism
Front Element Rotation No
Zoom System n/a
Closest Focus 11cm / 4.3 in.
Magnification Ratio 0.5x / 1:2
Filter Size 67mm
Dimensions(Length x Diameter) 64mm x 73mm / 2.5 in. x 2.9 in.
Weight 220g / 7.8 oz
Notes Available mounts: Sony E-mount; Moisture-resistant construction; Included Accessories: Flower-shaped hood, lens caps.
Typical Online Price US$349 (Avail. January 2020)