Attribute | Sony 28-70mm f/3.5-5.6 OSS SEL2870 × | Sigma 28-70mm f/2.8-4 DG × |
---|---|---|
Filter Size (mm) | 55 | 62 |
Notes | Optical SteadyShot; Included Accessories: ALC-SH130 Petal Lens Hood | Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax; Included Accessories: Lens Hood |
Closest Focus (m) | 0.3 | 0.5 |
Magnification Ratio (x) | 0.19 | 0.15 |
Focus Details | Linear motor | - |
Type | Standard Zoom | Standard Zoom |
APS Equivalent | 42 - 105mm | 1.5x: 42 - 105mm; 1.6x: 44.8 - 112mm |
Zoom System | Rotary | Rotary |
Image Circle | 35mm (Full-frame E-Mount) | 35mm |
Focal Length (mm) | 28.00 - 70.00 | 28.00 - 70.00 |
Brand | Sony | Sigma |
Name | Sony 28-70mm f/3.5-5.6 OSS SEL2870 | Sigma 28-70mm f/2.8-4 DG |
Weight (g) | 295 | 255 |
Aperture (f) | 3.50 - 36.00 | 2.80 - 22.00 |
Diaphragm Blades | 7 | 8 |
Diagonal Angle of View (degree) | 34.00 - 75.00 | 34.30 - 75.40 |
Lens Construction | 9 elements in 8 groups, including 3 aspheric and 1 extra-low dispersion element | 11 elements in 8 groups, including 1 aspherical element |
Diameter (mm) | 72.5 | 67.5 |
Length (mm) | 83 | 62.5 |
Diaphragm Blades Type | rounded | - |
Front Element Rotation | - | - |