Attribute | Sigma 28-105mm f/2.8-4 Aspherical IF × | Canon EF 28-105mm f/3.5-4.5 II USM × |
---|---|---|
Filter Size (mm) | 62 | 58 |
Aperture (f) | 2.80 - 22.00 | 3.50 - 27.00 |
Closest Focus (m) | 0.5 | 0.5 |
Magnification Ratio (x) | 0.18 | 0.19 |
Type | Standard Zoom | Standard Zoom |
Focus Details | Internal | Inner focusing; full-time manual focus and USM |
APS Equivalent | 1.5x: 42 - 157.5mm; 1.6x: 44.8 - 168mm | 45 - 168mm |
Diameter (mm) | 77 | 72 |
Image Circle | 35mm | 35mm |
Focal Length (mm) | 28.00 - 105.00 | 28.00 - 105.00 |
Brand | Sigma | Canon |
Name | Sigma 28-105mm f/2.8-4 Aspherical IF | Canon EF 28-105mm f/3.5-4.5 II USM |
Weight (g) | 405 | 375 |
Diagonal Angle of View (degree) | 23.30 - 75.40 | 23.50 - 75.00 |
Diaphragm Blades | 8 | 7 |
Zoom System | Rotary | Rotary |
Length (mm) | 79.5 | 75 |
Notes | Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax | - |
Lens Construction | 12 elements in 11 groups, including 1 aspherical element | 15 elements in 12 groups |