- 16 elements in 12 groups (2 FLD glass, 2 SLD glass, 3 aspherical lenses),
- shortest is 0.19m (wide-angle end) /0.38m ( (Telephoto end), maximum shooting magnification 1: 3.3 (wide-angle end) /1: 4.6 (telephoto end),
- filter diameter 67mm,
- size φ72.2 x 101.5mm,
- weight 470g,
- $ 899.
Sigma’s new 28-70mm F2.8 is 16.3mm shorter and 80g lighter than the Tamron 28-75mm F2.8, making it considerably lighter and more compact. The shortest shooting distance is 1 cm shorter than Tamron at the telephoto end, but the maximum shooting magnification seems to be slightly lower for Sigma.
Read more Sigma Lens Rumors
See also 2021 Sigma Lens Deals