Attribute | Sony FE 100mm f/2.8 STF GM OSS SEL100F28GM × | Sigma 85mm f/1.4 DG DN Art × |
---|---|---|
Filter Size (mm) | 72 | 77 |
Notes | Optical SteadyShot Image Stabilization; Dust and moisture resistant | Available AF Mounts: L Mount, E Mount. |
Closest Focus (m) | 0.57 | 0.85 |
Magnification Ratio (x) | 0.25 | 0.12 |
Type | Telephoto Prime (Smooth Transition Focus) | Telephoto Prime |
Length (mm) | 118.1 | 96.1 |
APS Equivalent | 150mm | 1.5x: 128mm |
Diagonal Angle of View (degree) | 24.00 | 28.60 |
Image Circle | 35mm (Full-frame E-Mount) | 35mm |
Focal Length (mm) | 100.00 | 85.00 |
Brand | Sony | Sigma |
Name | Sony FE 100mm f/2.8 STF GM OSS SEL100F28GM | Sigma 85mm f/1.4 DG DN Art |
Weight (g) | 700 | 625 |
Aperture (f) | 2.80 - 22.00 | 1.40 - 16.00 |
Diaphragm Blades | 11 | 11 |
Diaphragm Blades Type | rounded | rounded |
Lens Construction | 13 elements in 10 groups (excluding APD element), including 1 ED and 1 aspherical element; Nano AR Coating | 15 elements in 11 groups, including 5 SLD (special low dispersion) glass elements and 1 aspherical element |
Diameter (mm) | 85.2 | 82.8 |
Focus Details | Internal with DDSSM (Direct Drive SSM); AF/MF switch; Focus hold button | Stepping motor with A/M Switch |