Attribute | Sigma APO 170-500mm f/5-6.3 Aspherical RF × | Fujinon XF 70-300mm f/4-5.6 R LM OIS WR × |
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Notes | Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax | For Fujifilm X-mount; Optical image stabilization (5.5 stops); Dedicated aperture ring; Compatible with 1.4x & 2.0x teleconverters. |
Magnification Ratio (x) | 0.15 | 0.33 |
Filter Size (mm) | 86 | 67 |
Length (mm) | 232 | 132.5 |
Closest Focus (m) | 3 | 0.83 |
Diagonal Angle of View (degree) | 5.00 - 14.50 | 5.40 - 22.90 |
Focus Details | Internal | Internal linear-motor drive system |
Focal Length (mm) | 170.00 - 500.00 | 70.00 - 300.00 |
APS Equivalent | 1.5x: 255 - 750mm; 1.6x: 272 - 800mm | 107 - 457mm |
Brand | Sigma | Fujinon |
Image Circle | 35mm | APS-C (Fujifilm X-mount) |
Name | Sigma APO 170-500mm f/5-6.3 Aspherical RF | Fujinon XF 70-300mm f/4-5.6 R LM OIS WR |
Weight (g) | 1345 | 795 |
Type | Telephoto Zoom | Telephoto Zoom |
Aperture (f) | 5.00 - 32.00 | 4.00 - 22.00 |
Diaphragm Blades | 9 | 9 |
Diaphragm Blades Type | - | rounded |
Lens Construction | 13 elements in 11 groups, including 1 aspherical and 3 SLD elements | 17 elements in 12 groups, including one aspherical element and two extra- low dispersion (ED) elements |
Zoom System | Rotary | Rotary |
Diameter (mm) | 92.5 | 75 |