Attribute | Olympus 7-14mm ƒ/2.8 Pro M.Zuiko Digital ED × | Sigma 10mm f/2.8 EX DC Fisheye HSM × |
---|---|---|
Diagonal Angle of View (degree) | 75.00 - 114.00 | 180.00 |
Aperture (f) | 2.80 - 22.00 | 2.80 - 22.00 |
Diaphragm Blades Type | circular | - |
Magnification Ratio (x) | 0.11 | 0.3 |
Notes | Weather sealed; Fixed lens hood and pinch-style lens cap LC-79 included. | Available AF Mounts: Canon, Nikon, Pentax, Sigma, Sony; Included Accessories: Gelatin Filter Holder, Padded Case |
APS Equivalent | - | 1.5x: 15mm; 1.6x: 16mm |
Closest Focus (m) | 0.2 | 0.14 |
Focal Length (mm) | 7.00 - 14.00 | 10.00 |
Diaphragm Blades | 7 | 7 |
Brand | Olympus | Sigma |
Image Circle | Image Circle | APS-C |
Name | Olympus 7-14mm ƒ/2.8 Pro M.Zuiko Digital ED | Sigma 10mm f/2.8 EX DC Fisheye HSM |
Weight (g) | 534 | 475 |
Type | Wide Zoom | Wide Prime |
Zoom System | Rotary | - |
Lens Construction | 14 elements in 11 groups, including 2 aspherical ED, 1 double-sided aspherical, 1 aspherical, 3 Super ED , 1 ED and 2 HR elements | 12 Elements in 7 Groups |
Diameter (mm) | 78.9 | 75.8 |
Length (mm) | 105.8 | 83.1 |
Focus Details | - | Internal; HSM with full-time manual focus override |
35mm Equivalent | 14 - 28mm | - |