Tamron 45mm f/1.8 Di VC USD SP

Lens Reviews / Tamron Lenses i Lab tested
Lens Specifications
Name Tamron 45mm ƒ/1.8 Di VC USD SP (Model F013)
Image Circle 35mm
Type Standard Prime
Focal Length 45mm
APS Equivalent 1.5x: 67.5mm; 1.6x: 72mm
Max Aperture ƒ/1.8
Min Aperture ƒ/16
Diaphragm Blades 9 (circular)
Lens Construction 10 elements in 8 groups, including 1 LD (Low Dispersion) and 2 aspherical elements
Diagonal Angle of View 51.3 degrees
Focus Details Internal; USD (Ultrasonic Silent Drive) with continuous manual focus mechanism
Front Element Rotation No
Zoom System n/a
Closest Focus 29cm / 11.4 in.
Magnification Ratio 0.29x / 1:3.4
Filter Size 67mm
Dimensions(Length x Diameter) 91.7mm x 80.4mm / 3.61 in. x 3.17 in. (Canon)
Weight 540g / 19 oz (Canon)
Notes Available mounts: Canon EF, Nikon F, Sony A; VC Optical Image Stabilization (Canon and Nikon only); Included Accessories: Lens hood, lens caps.
Typical Online Price US$600 (Avail. Sept. 29, 2015 -- Sony mount launched at a later date)